2018 GMC Sierra 1500 specs & colors

Extended Cab Pickup

Change trim

$37,000

Starting MSRP
Current listing price

2018 GMC Sierra 1500

Showing the 2018 GMC Sierra 1500 4WD Double Cab 143.5"

Shop Now

Key specs

4-door
6 seats
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
19 combined MPG
229.30" length, 73.97" height
Four Wheel Drive

Color options

Exterior

Deep Ocean Blue Metallic

Interior

Jet Black / Dark Ash

Packages

Sierra Appearance Package

$510

Starting MSRP
- includes (RD7) 17" x 8" (43.2 cm x 20.3 cm) stainless steel clad wheels
- (AKO) deep-tinted glass.
Sierra Convenience Package

$635

Starting MSRP
- includes (DL8) outside heated power-adjustable mirrors
- (AQQ) Remote Keyless Entry
- (KI4) 110-volt AC power outlet
See more detail
$635

Starting MSRP
- includes (DL8) outside heated power-adjustable mirrors
- (AQQ) Remote Keyless Entry
- (KI4) 110-volt AC power outlet
- (A91) remote locking tailgate and (UF2) LED cargo box lighting; For Regular Cab also includes (A31) power windows
Work Truck Preferred Equipment Group

$0

Starting MSRP

Specifications

Highlights

Engine Type: Gas/Ethanol V6
MPG: 17 City / 22 Hwy
Horsepower: 355 hp
285 hp
Seating Capacity: 6

Brakes

Drum - Rear (Yes or ): N/A
Rear Brake Rotor Diam x Thickness: 13.60 x 0.79 in
Front Brake Rotor Diam x Thickness: 13.00 x 1.18 in
Disc - Rear (Yes or ): Yes
Disc - Front (Yes or ): Yes
Brake ABS System (Second Line): N/A
Brake ABS System: 4-Wheel
Brake Type: Pwr

Electrical

Maximum Alternator Capacity (amps): 150
Cold Cranking Amps @ 0° F (Primary): 730

Engine

SAE Net Torque @ RPM: 305 @ 3900
SAE Net Horsepower @ RPM: 285 @ 5300
Displacement: 4.3L/262
Engine Type: Gas/Ethanol V6
Transmission Options: 6-Speed A/T
A/T
MPG: 17 City / 22 Hwy
Total Cooling System Capacity: N/A

Entertainment

Bluetooth®: Standard

Measurements

Passenger Capacity: 6
Ext'd Cab Cargo Volume: N/A
Cargo Volume: 61 ft³
Tailgate Width: N/A
Cargo Box (Area) Height: 21 in
Cargo Box Width @ Wheelhousings: 51 in
Cargo Box Width @ Floor: 65 in
Cargo Box Width @ Top, Rear: N/A
Cargo Box Length @ Floor: 79 in
Ground Clearance, Rear: 9 in
Ground Clearance, Front: 9 in
Ground to Top of Load Floor: 35 in
Wheelbase: 144 in
Length, Overall w/o rear bumper: 229 in
Length, Overall w/rear bumper: N/A
Length, Overall: N/A
Width, Max w/o mirrors: 80 in
Height, Overall: 74 in
Overhang, Front: N/A
Overhang, Rear w/o bumper: N/A
Cab to End of Frame: N/A
Second Shoulder Room: 66 in
Second Leg Room: 35 in
Second Head Room: 39 in
Front Hip Room: 61 in
Front Shoulder Room: 66 in
Front Leg Room: 45 in
Front Head Room: 43 in
Second Hip Room: 60 in

Safety

Backup Camera: Standard
Stability Control: Standard

Steering

Steering Type: Electric Rack & Pinion
Turning Diameter - Wall to Wall: N/A
Turning Diameter - Curb to Curb: 47 ft
Steering Ratio (:1), Overall: N/A

Suspension

Axle Type - Rear: Semi-floating
Axle Type - Front: Independent Driving
Suspension Type - Rear: 2-Stage Multi-Leaf
Suspension Type - Front: Independent

Tires & Wheels

Front Tire Size: P255/70R17
Spare Wheel Material: N/A
Rear Wheel Material: Steel
Front Wheel Material: Steel
Spare Wheel Size: 17 x -TBD- in
Rear Wheel Size: 17 x 8.0 in
Front Wheel Size: 17 x 8.0 in
Spare Tire Size: P255/70R17
Rear Tire Size: P255/70R17

Weight & Capacity

Maximum Trailering Capacity: 9,200 lbs
Fifth Wheel Hitch - Max Tongue Wt.: N/A
Fifth Wheel Hitch - Max Trailer Wt.: N/A
Wt Distributing Hitch - Max Tongue Wt.: 710 lbs
Wt Distributing Hitch - Max Trailer Wt.: 7,100 lbs
Dead Weight Hitch - Max Tongue Wt.: 500 lbs
Dead Weight Hitch - Max Trailer Wt.: 5,000 lbs
Gross Combined Wt Rating: 12,800 lbs
Maximum Payload Capacity: 1,867 lbs
As Spec'd Payload: 1,861 lbs
As Spec'd Curb Weight: 5,239 lbs
Option Weight - Rear: 0 lbs
Option Weight - Front: 0 lbs
Curb Weight - Rear: 2,112 lbs
Curb Weight - Front: 3,121 lbs
Base Curb Weight: N/A
Total Option Weight: 0 lbs
Curb Weight: 5,233 lbs
Gross Axle Weight Rating: 7,900 lbs
Gross Vehicle Weight Rating: 7,100 lbs
Aux Fuel Tank Capacity, Approx: N/A
Fuel Tank Capacity, Approx: 26 gal

Compare trims

2018 GMC Sierra 1500

Wondering which trim is right for you?

Our 2018 GMC Sierra 1500 trim comparison will help you decide.