• Rear axle, 3.42 ratio
• Durabed, pickup bed
• Push Button Start
• Automatic Stop/Start (Not available with (5W4) Special Services Package, (9C1) Police Pursuit Package or (FHS) E85 FlexFuel capability.)
• Transfer case, single speed electronic Autotrac with push button control (4WD models only)
• Four wheel drive
• Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power
• Recovery hooks, front, frame-mounted, Black (Included with 4WD models or on 2WD models with (PQA) WT Safety Package. Available free flow on 2WD models.) (Included with 4WD models.)
• Frame, fully-boxed, hydroformed front section
• Suspension Package, Standard
• Steering, Electric Power Steering (EPS) assist, rack-and-pinion
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill
• Exhaust, single outlet

• Wheels, 17" x 8" (43.2 cm x 20.3 cm) Ultra Silver painted steel
• Tires, 255/70R17 all-season, blackwall
• Tire, spare 255/70R17 all-season, blackwall (Included with (QBN) 255/70R17 all-season, blackwall tires.)
• Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
• Tire carrier lock, keyed cylinder lock that utilizes same key as ignition and door
• Bumpers, front, Black (semi-gloss)
• Bumpers, rear, Black (semi-gloss)
• CornerStep, rear bumper
• Cargo tie downs (12), fixed rated at 500 lbs per corner
• Headlamps, halogen reflector with halogen Daytime Running Lamps
• IntelliBeam, automatic high beam on/off
• Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel (incandescent on Regular Cab models, LED on Crew Cab and Double Cab models)
• Taillamps with incandescent tail, stop and reverse lights
• Mirrors, outside manual, Black (Standard on Crew Cab and Double Cab models only. Not available on Regular Cab models.)
• Glass, solar absorbing, tinted
• Door handles, Black
• Tailgate and bed rail protection cap, top
• Tailgate, standard
• Tailgate, locking utilizes same key as ignition and door (Removed when (QT5) EZ Lift power lock and release tailgate is ordered.)
• Tailgate, gate function manual, no EZ Lift

• Audio system, Chevrolet Infotainment 3 system 7" diagonal color touchscreen, AM/FM stereo. Additional features for compatible phones include: Bluetooth® audio streaming for 2 active devices, voice command pass-through to phone, wired Apple CarPlay and Android Auto capable.
• Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
• Bluetooth® for phone, connectivity to vehicle infotainment system

• Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)
• Seat trim, Vinyl
• Seat adjuster, driver 4-way manual
• Seat adjuster, passenger 4-way manual
• Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Requires Crew Cab or Double Cab model.)
• Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
• Steering wheel, urethane
• Steering column, Tilt-Wheel, manual with wheel locking security feature
• Driver Information Center, 3.5" diagonal monochromatic display
• Exterior Temperature Display located in radio display
• Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
• Window, power front, drivers express up/down
• Window, power front, passenger express down
• Windows, power rear, express down (Not available with Regular Cab models.)
• Door locks, power
• Remote Keyless Entry, with 2 transmitters
• Power outlet, front auxiliary, 12-volt
• USB Ports, 2, Charge/Data ports located on instrument panel
• Air conditioning, single-zone manual
• Air vents, rear, heating/cooling (Not available on Regular Cab models.)
• Mirror, inside rearview, manual tilt
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted

• Automatic Emergency Braking
• Front Pedestrian Braking
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Daytime Running Lamps with automatic exterior lamp control
• Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
• HD Rear Vision Camera
• Lane Keep Assist with Lane Departure Warning
• Following Distance Indicator
• Forward Collision Alert
• Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
• Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use, can be turned on and off in Settings menu
• Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)

WORK TRUCK PREFERRED EQUIPMENT GROUP

• includes standard equipment

WHEELS, 17" X 8" (43.2 CM X 20.3 CM) ULTRA SILVER PAINTED STEEL

• (STD)

TIRES, 255/70R17 ALL-SEASON, BLACKWALL

• (STD)

ENGINE, 2.7L TURBO HIGH-OUTPUT

• (310 hp [231 kW] @ 5600 rpm
• 430 lb-ft of torque [583 Nm] @ 3000 rpm) (STD)

AUDIO SYSTEM, CHEVROLET INFOTAINMENT 3 SYSTEM

• 7" diagonal color touchscreen
• AM/FM stereo. Additional features for compatible phones include: Bluetooth® audio streaming for 2 active devices
• voice command pass-through to phone
• wired Apple CarPlay and Android Auto capable. (STD)

TRAILERING PACKAGE

• includes trailer hitch
• 7-pin and 4-pin connectors and (CTT) Hitch Guidance

HITCH GUIDANCE

• dynamic single line to aid in trailer alignment for hitching

GVWR, 7000 LBS. (3175 KG)

• (STD)

TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED

• with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD)

TIRE, SPARE 255/70R17 ALL-SEASON, BLACKWALL

• (STD)

• 220 Amp Alternator
• 255/70R17 AS BW Spare Tire
• 3.42 Rear Axle Ratio
• 7,000 lbs (3,175 Kg) GVWR
• 8-Speed Automatic Transmission
• Auto-Locking Rear Differential
• Automatic Emergency Braking
• CT/DE/ME/MD/MA/NJ/NY/OR/PA/RI/VT/WA Emissions Requirements
• Following Distance Indicator
• Forward Collision Alert
• Front License Plate Kit
• Front Pedestrian Braking
• IntelliBeam Automatic High Beam On/off
• Jet Black
• Lane Keep Assist with Lane Departure Warning
• Not Equipped with Steering Column Lock
• Standard Suspension Package
• Summit White
• Chevrolet Infotainment 3 System Radio
• Preferred Equipment Group 1WT
• Trailering Package
• 12V power outlets 1 12V power outlet
• 3-point seatbelt Rear seat center 3-point seatbelt
• 3.5' Monochromatic Display Driver Info Center
• 4-Wheel Disc Brakes
• 40/20/40 Front Split-Bench Seat
• 4WD type Autotrac part-time 4WD
• 6 Speakers
• 6-Speaker Audio System
• ABS brakes
• ABS Brakes 4-wheel antilock (ABS) brakes
• ABS Brakes Four channel ABS brakes
• Accessory power Retained accessory power
• Air Conditioning
• Air conditioning Yes
• All-in-one key All-in-one remote fob and ignition key
• Alternator Type Alternator
• AM/FM radio
• Antenna Fixed audio antenna
• Anti-roll bar front Front anti-roll bar
• Apple CarPlay/Android Auto
• Armrests front center Front seat center armrest
• Armrests front storage Front seat armrest storage
• Auto door locks Auto-locking doors
• Auto headlights Auto on/off headlight control
• Auto High-beam Headlights
• Auto high-beam headlights IntelliBeam auto high-beam headlights
• Basic warranty 36 month/36,000 miles
• Battery charge warning
• Battery run down protection
• Battery type Heavy-duty lead acid battery
• Bed-rail protectors Pickup bed-rail protectors
• Beverage holders Front beverage holders
• Black (Semi-Gloss) Front Bumper
• Black (Semi-Gloss) Rear Bumper
• Black Manual Outside Mirrors
• Bluetooth® For Phone
• Body panels Galvanized steel/aluminum body panels with side impact beams
• Box style Standard style pickup box
• Brake assist
• Brake assist system Predictive brake assist system
• Brake pad warning Brake pad wear indicator
• Brake type 4-wheel disc brakes
• Bumper rub strip front Black front bumper rub strip
• Bumpers front Black front bumper
• Bumpers rear Black rear bumper
• Cabback insulator
• Capless fuel filler
• Chevy Safety Assist
• Child door locks Manual rear child safety door locks
• Climate control Manual climate control
• Clock In-radio display clock
• Compressor Intercooled turbo
• Corrosion perforation warranty 72 month/100,000 miles
• Cylinder head material Aluminum cylinder head
• Day/Night rearview mirror
• Delay off headlights Delay-off headlights
• Delay-off headlights
• Distance alert Following Distance Indicator
• Door ajar warning
• Door bins front Driver and passenger door bins
• Door bins rear Rear door bins
• Door handle material Black door handles
• Door locks Power door locks with 2 stage unlocking
• Door mirror style Black door mirrors
• Door mirror type Standard style side mirrors
• Door panel insert Metal-look door panel insert
• Door trim insert Vinyl door trim insert
• Drive type Four-wheel drive
• Driver door bin
• Driver foot rest
• Driver information center
• Driver seat direction Driver seat with 4-way directional controls
• Dual front impact airbags
• Dual front side impact airbags
• Electrical Steering Column Lock
• Electronic parking brake
• Electronic Stability Control
• Electronic stability control StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
• Emissions Mass emissions
• Emissions tiers Tier 3 Bin 30 emissions
• Engine 2.7L I-4 gasoline direct injection, DOHC, variable valve control, intercooled turbo, regular unleaded, engine with cylinder deactivation and 310HP
• Engine block material Aluminum engine block
• Engine Cylinders I4
• Engine hour meter
• Engine Location Front mounted engine
• Engine Mounting direction Longitudinal mounted engine
• Engine temperature warning
• Engine/electric motor temperature gage
• External memory Chevrolet Infotainment 3 external memory control
• First-row windows Power first-row windows
• Floor coverage Full floor coverage
• Floor covering Full vinyl floor covering
• Fob engine controls Smart key with push button start
• Folding door mirrors Manual folding door mirrors
• Forward collision warning Enhanced Automatic Emergency Braking forward collision mitigation
• Front anti-roll bar
• Front beverage holders
• Front Center Armrest w/Storage
• Front Frame-Mounted Black Recovery Hooks
• Front head restraint control Manual front seat head restraint control
• Front head restraints Height adjustable front seat head restraints
• Front impact airbag driver Driver front impact airbag
• Front impact airbag passenger Passenger front impact airbag
• Front reading lights
• Front seat type Split-bench front seat
• Front seat upholstery Vinyl front seat upholstery
• Front seatback upholstery Plastic front seatback upholstery
• Front side impact airbag driver Seat mounted side impact driver airbag
• Front side impact airbag passenger Seat mounted side impact front passenger airbag
• Front wheel independent suspension
• Fuel Type Regular Unleaded
• Fully automatic headlights
• Gearshifter material Urethane gear shifter material
• Glove box Locking glove box
• Grille style Black grille
• Handsfree Bluetooth® handsfree wireless device connectivity
• HD Rear Vision Camera
• Headlight type Aero-composite headlights
• Headlights Halogen headlights
• Headlights on reminder
• Headliner coverage Full headliner coverage
• Headliner material Cloth headliner material
• High mount stop light High mounted center stop light
• Hill start assist
• Hitch Guidance
• Ignition Spark ignition system
• Illuminated entry
• Immobilizer
• Inside Rear-View Mirror w/Tilt
• Instrumentation display Analog instrumentation display
• Interior accents Chrome interior accents
• Interior courtesy lights Fade interior courtesy lights
• Internet radio capability
• Key in vehicle warning
• Keyfob door locks Keyfob activated door locks
• Lane departure Lane Keep Assist with Lane Departure Warning
• Lane Keep Assist w/Lane Departure Warning
• LCD primary display size 7 inch primary LCD display
• License plate front bracket Front license plate bracket
• Lock-up transmission
• Locking hub control Auto locking hub control
• Locking Tailgate
• Low level warnings Low level warning for oil, coolant, fuel, washer fluid and brake fluid
• Low tire pressure warning
• Low tire pressure warning Tire specific low air pressure warning
• Maintenance warranty 12 month/12,000 miles
• Manual driver seat controls Driver seat manual reclining and fore/aft control
• Manual passenger seat controls Passenger seat manual reclining and fore/aft control
• Manual Tailgate Function w/No EZ Lift
• Manual Tilt Wheel Steering Column
• Multiple headlights Multiple enclosed headlights
• Not Equipped w/Steering Column Lock
• Number of airbags 6 airbags
• Number of beverage holders 4 beverage holders
• Number of doors 4 doors
• Number of first-row LCD screens 1 total number of 1st row displays
• Occupancy sensor Airbag occupancy sensor
• Occupant sensing airbag
• Oil pressure gage
• Oil pressure warning
• One-touch down window Front and rear one-touch down windows
• One-touch up window Driver one-touch up window
• Outside temperature display
• Overdrive transmission
• Overhead airbag
• Overhead airbags Curtain first and second-row overhead airbags
• Overhead console
• Overhead console Mini overhead console
• Overhead console storage
• Paint Clearcoat paint
• Panel insert Metal-look instrument panel insert
• Panic alarm
• Passenger door bin
• Passenger doors rear left Conventional left rear passenger door
• Passenger doors rear right Conventional right rear passenger door
• Passenger seat direction Front passenger seat with 4-way directional controls
• Passenger vanity mirror
• Pedestrian detection Front Pedestrian Braking
• Perimeter approach lighting Remote activated perimeter approach lighting
• Pickup box cargo light
• Power Front Windows w/Driver Express Up/Down
• Power Front Windows w/Passenger Express Down
• Power Rear Windows w/Express Down
• Power steering
• Power windows
• Powertrain type ICE
• Powertrain warranty 60 month/60,000 miles
• Premium audio system: Chevrolet Infotainment 3
• Primary display touchscreen Primary monitor touchscreen
• Radiator
• Radio AM/FM
• Radio data system
• Radio: Chevrolet Infotainment 3 System
• RDS Radio data system (RDS)
• Rear 60/40 Folding Bench Seat (Folds Up)
• Rear bench seats Split-bench rear seat
• Rear bumper step CornerStep rear bumper step
• Rear camera HD Rear Vision Camera rear mounted camera
• Rear cargo door Tailgate
• Rear console climate control ducts
• Rear head restraint control 2 rear seat head restraints
• Rear head restraint control Manual rear seat head restraint control
• Rear head restraints Height adjustable rear seat head restraints
• Rear locking differential Automatic rear locking differential
• Rear reading lights
• Rear seat check warning Rear Seat Reminder rear seat check warning
• Rear seat folding position Fold-up rear seat cushion
• Rear seat upholstery Vinyl rear seat upholstery
• Rear seatback upholstery Carpet rear seatback upholstery
• Rear seats fixed or removable Fixed rear seats
• Rear Springs Regular grade rear springs
• Rear step bumper
• Rear windshield Fixed rear windshield
• Remote Keyless Entry
• Remote panic alarm
• Restricted driving mode Teen Driver restricted driving mode
• Roadside warranty 60 month/60,000 miles
• Rubberized-Vinyl Floor Covering
• Running lights Daytime running lights
• Seatback storage pockets 2 seatback storage pockets
• Seatbelt pretensioners Front seatbelt pretensioners
• Seatbelt pretensioners number 2 seatbelt pre-tensioners
• Seating capacity 6
• Second-row windows Power second-row windows
• Seek scan
• Selectable mode transmission Tow/Haul Mode selectable mode transmission
• Sequential shift control
• Service interval warning Service interval indicator
• Shock absorbers Gas-pressurized shock absorbers
• Single-Speed Transfer Case
• Smart device integration Apple CarPlay/Android Auto smart device mirroring
• Solar Absorbing Tinted Glass
• Spare tire Full-size spare tire with steel wheel
• Spare tire location Crank-down spare tire
• Speakers number 6 speakers
• Speakers Standard grade speakers
• Special paint Monotone paint
• Speed sensitive steering Speed sensitive power steering
• Speed-sensing steering
• Speedometer Redundant digital speedometer
• Split folding rear seat
• Split front seats 40-20-40 split-bench front seat
• Springs front Front coil springs
• Springs rear Rear leaf springs
• Standard Tailgate
• Start-stop engine Auto stop-start engine
• Steering Electric power-assist steering system
• Steering type number of wheels 2-wheel steering system
• Steering type Rack-pinion steering
• Steering wheel material Urethane steering wheel
• Steering wheel tilt Manual tilting steering wheel
• Suspension ride type front Independent front suspension
• Suspension ride type rear Rigid axle rear suspension
• Suspension Standard ride suspension
• Suspension type front Short and long arm front suspension
• Suspension type rear Leaf spring rear suspension
• Tachometer
• Tailgate control Manual tailgate/rear door lock
• Tailpipe Stainless steel single exhaust
• Temperature display Exterior temperature display
• Tilt steering wheel
• Tinted windows Light tinted windows
• Tire pressure Tire Fill Alert tire pressure fill assist
• Tires P255/70SR17 AS BSW front and rear tires
• Tow hooks front 2 front tow hooks
• Towing backup assist Trailer backup assist with visual graphic guidance only
• Towing capability Trailer towing capability
• Towing class Class IV tow rating
• Towing hitch Trailer hitch
• Towing trailer sway Trailer sway control
• Towing wiring harness Trailer wiring harness
• Traction control
• Traction control All-speed ABS and driveline traction control
• Transfer case Electronic transfer case shift
• Transmission 8-speed automatic
• Transmission electronic control
• Transmission fluid temperature warning Transmission fluid temp warning
• Transmission Type Automatic
• Trip computer
• Trip odometer
• Turn signal warning Turn signal on warning
• Under seat tray front Locking front under seat tray
• USB ports 2 USB ports
• Variable panel light Variable instrument panel light
• Variably intermittent wipers
• Ventilated brakes Front and rear ventilated disc brakes
• Vinyl Seat Trim
• Visor passenger mirror Passenger visor mirror
• Voltmeter
• Wheel covers Wheel hub covers
• Wheels 17 x 8-inch front and rear silver steel wheels
• Wheels: 17' x 8' Ultra Silver Painted Steel
• Window Trim Black side window trim
• Wipers Variable intermittent front windshield wipers
• Wireless streaming Bluetooth® wireless audio streaming

• Mileage
• Fuel Economy Est-Combined (MPG): 19
• EPA Fuel Economy Est - City (MPG): 18
• EPA Fuel Economy Est - Hwy (MPG): 21
• Electrical
• Cold Cranking Amps @ 0° F (Primary): 730
• Maximum Alternator Capacity (amps): 220
• Cooling System
• Total Cooling System Capacity (qts): - TBD -
• Weight Information
• Gross Axle Wt Rating - Front (lbs): 3800
• Gross Axle Wt Rating - Rear (lbs): 3800
• Curb Weight - Front (lbs): 2927
• Curb Weight - Rear (lbs): 1956
• Gross Vehicle Weight Rating Cap (lbs): 7000
• Gross Combined Wt Rating (lbs): 14500
• Trailering
• Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
• Dead Weight Hitch - Max Tongue Wt. (lbs): 500
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 9000
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 900
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 8900
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 2225
• Maximum Trailering Capacity (lbs): 9400
• Suspension
• Suspension Type - Front: Independent
• Suspension Type - Rear: Solid Axle
• Spring Capacity - Front (lbs): 3800
• Spring Capacity - Rear (lbs): 3850
• Axle Type - Front: - TBD -
• Axle Type - Rear: - TBD -
• Axle Capacity - Front (lbs): 3800
• Axle Capacity - Rear (lbs): 3800
• Axle Ratio (:1) - Front: 3.42
• Axle Ratio (:1) - Rear: 3.42
• Shock Absorber Diameter - Front (mm): - TBD -
• Shock Absorber Diameter - Rear (mm): - TBD -
• Stabilizer Bar Diameter - Front (in): 1.30
• Brakes
• Brake Type: Pwr
• Brake ABS System: 4-Wheel
• Disc - Front (Yes or ): Yes
• Disc - Rear (Yes or ): Yes
• Front Brake Rotor Diam x Thickness (in): 13.5 x 1.18
• Rear Brake Rotor Diam x Thickness (in): 13.6 x 0.79
• Tires
• Front Tire Order Code: QBN
• Rear Tire Order Code: QBN
• Spare Tire Order Code: QBR
• Front Tire Size: 255/70R17
• Rear Tire Size: 255/70R17
• Spare Tire Size: 255/70R17
• Front Tire Capacity (lbs): 3800
• Rear Tire Capacity (lbs): 3800
• Spare Tire Capacity (lbs): - TBD -
• Revolutions/Mile @ 45 mph - Front: N/A
• Revolutions/Mile @ 45 mph - Rear: N/A
• Revolutions/Mile @ 45 mph - Spare: N/A
• Wheels
• Front Wheel Size (in): 17 x 8
• Rear Wheel Size (in): 17 x 8
• Spare Wheel Size (in): 17 x 8
• Front Wheel Material: Steel
• Rear Wheel Material: Steel
• Spare Wheel Material: Steel
• Steering
• Steering Type: Electric Rack & Pinion
• Steering Ratio (:1), On Center: - TBD -
• Steering Ratio (:1), At Lock: - TBD -
• Turning Diameter - Curb to Curb (ft): 49.5
• Turning Diameter - Wall to Wall (ft): N/A
• Frame
• Frame Type: Box Ladder
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 24
• Fuel Tank Location: - TBD -
• Exterior Dimensions
• Wheelbase (in): 157
• Length, Overall (in): 241.41
• Width, Max w/o mirrors (in): 81.24
• Height, Overall (in): 75.4
• Overhang, Front (in): - TBD -
• Overhang, Rear w/o bumper (in): - TBD -
• Front Bumper to Back of Cab (in): - TBD -
• Cab to Axle (in): - TBD -
• Cab to End of Frame (in): - TBD -
• Ground to Top of Load Floor (in): - TBD -
• Ground to Top of Frame (in): - TBD -
• Frame Width, Rear (in): - TBD -
• Ground Clearance, Front (in): 7.95
• Ground Clearance, Rear (in): 7.95
• Cargo Area Dimensions
• Cargo Box Length @ Floor (in): 79.44
• Cargo Box Width @ Top, Rear (in): - TBD -
• Cargo Box Width @ Floor (in): 71.4
• Cargo Box Width @ Wheelhousings (in): 50.63
• Cargo Box (Area) Height (in): 22.4
• Tailgate Width (in): - TBD -
• Cargo Volume (ft³): 71.7
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Interior Dimensions
• Passenger Capacity: 6
• Front Head Room (in): 43.03
• Front Leg Room (in): 44.53
• Front Shoulder Room (in): 66.02
• Front Hip Room (in): 61.18
• Second Head Room (in): 40.12
• Second Leg Room (in): 43.4
• Second Shoulder Room (in): 65.16
• Second Hip Room (in): 60.24
• Summary
• Vehicle Name: Chevrolet Silverado 1500
• Body Style: Crew Cab Pickup
• Body Code: E63
• Emissions
• Tons/yr of CO2 Emissions @ 15K mi/year: 9.3