2018 GMC Sierra 1500 SLT specs & colors
Extended Cab Pickup
MSRP
- 2WD Reg Cab 119.0"
- $29,000
- 2WD Reg Cab 133.0"
- $29,300
- 4WD Reg Cab 119.0"
- $32,900
- 2WD Double Cab 143.5"
- $33,000
- 4WD Reg Cab 133.0"
- $33,200
- 2WD Crew Cab 143.5"
- $35,500
- 2WD Reg Cab 119.0" SLE
- $35,700
- 2WD Reg Cab 133.0" SLE
- $35,800
- 2WD Crew Cab 153.0"
- $36,900
- 4WD Double Cab 143.5"
- $37,000
- 2WD Double Cab 143.5" SLE
- $38,300
- 4WD Crew Cab 143.5"
- $38,700
- 4WD Reg Cab 119.0" SLE
- $39,600
- 4WD Reg Cab 133.0" SLE
- $39,900
- 4WD Crew Cab 153.0"
- $40,100
- 2WD Crew Cab 143.5" SLE
- $40,700
- 4WD Double Cab 143.5" SLE
- $42,100
- 2WD Crew Cab 153.0" SLE
- $42,100
- 2WD Double Cab 143.5" SLT
- $42,800
- 4WD Crew Cab 143.5" SLE
- $44,700
- 2WD Crew Cab 143.5" SLT
- $45,200
- 4WD Double Cab 143.5" SLT
- $46,000
- 4WD Crew Cab 153.0" SLE
- $46,100
- 4WD Crew Cab 143.5" SLT
- $48,400
- 4WD Crew Cab 153.0" SLT
- $48,700
- 2WD Crew Cab 143.5" Denali
- $52,900
- 4WD Crew Cab 143.5" Denali
- $56,000
- 4WD Crew Cab 153.0" Denali
- $56,300
$42,800
Starting MSRP
Current listing price
Current listing price
Showing the 2018 GMC Sierra 1500 2WD Double Cab 143.5" SLT
Shop NowKey specs
Color options
Interior
Jet Black / Dark Ash
Jet Black
Jet Black w / Jet Black Accents
Cocoa / Dune
Packages
$2,145
Starting MSRP
- includes (UQA) Bose premium audio system
- (RD5) 20" x 9" polished aluminum wheels and Texas emblem badging.With Crew Cab model includes (BVQ) 6" rectangular chrome tubular assist steps. With Double Cab model includes (VXH) 6" rectangular chrome tubular assist steps.)
$2,145
Starting MSRP
- includes (UQA) Bose premium audio system and (RD5) 20" x 9" polished aluminum wheelsWith Crew Cab model includes (BVQ) 6" rectangular chrome tubular assist steps. With Double Cab model includes (VXH) 6" rectangular chrome tubular assist steps.)
$0
Starting MSRP
$795
Starting MSRP
- includes (UD5) Front and Rear Park Assist
- (UVD) heated steering wheel and (A48) sliding rear window
$945
Starting MSRP
- includes 9.76" rear axle
- 8-speed transmission with 3.42 or 6- speed transmission with 3.73
- (JL1) trailer brake controller
See more detail $945
Starting MSRP
- includes 9.76" rear axle
- 8-speed transmission with 3.42 or 6- speed transmission with 3.73
- (JL1) trailer brake controller
- enhanced cooling radiator
- revised shock tuning for increased control
- heavier duty rear springs and increased RGAWR
$945
Starting MSRP
- includes (UHX) Lane Keep Assist
- (TQ5) IntelliBeam headlamps
- (UHY) Low Speed Collision Mitigation Braking
See more detail $945
Starting MSRP
- includes (UHX) Lane Keep Assist
- (TQ5) IntelliBeam headlamps
- (UHY) Low Speed Collision Mitigation Braking
- (UD5) Front and Rear Park Assist and (UEU) Forward Collision Alert
- Safety Alert Seat
Specifications
Highlights
|
Gas V8
Engine Type
|
|
16 City / 23 Hwy
MPG
|
|
355 hp
420 hp Horsepower
|
|
6
Seating Capacity
|
Brakes
|
Pwr
Brake Type
|
|
4-Wheel
Brake ABS System
|
|
N/A
Brake ABS System (Second Line)
|
|
Yes
Disc - Front (Yes or )
|
|
Yes
Disc - Rear (Yes or )
|
|
13.00 x 1.18 in
Front Brake Rotor Diam x Thickness
|
|
13.60 x 0.79 in
Rear Brake Rotor Diam x Thickness
|
|
N/A
Drum - Rear (Yes or )
|
Electrical
|
720
Cold Cranking Amps @ 0° F (Primary)
|
|
150
Maximum Alternator Capacity (amps)
|
Engine
|
Gas V8
Engine Type
|
|
5.3L/325
Displacement
|
|
355 @ 5600
SAE Net Horsepower @ RPM
|
|
383 @ 4100
SAE Net Torque @ RPM
|
|
6-Speed A/T
8-Speed A/T A/T Transmission Options
|
|
16 City / 23 Hwy
MPG
|
|
N/A
Total Cooling System Capacity
|
Entertainment
|
Standard
Bluetooth®
|
|
Optional
Bluetooth®
|
Measurements
|
43 in
Front Head Room
|
|
45 in
Front Leg Room
|
|
66 in
Front Shoulder Room
|
|
61 in
Front Hip Room
|
|
39 in
Second Head Room
|
|
35 in
Second Leg Room
|
|
66 in
Second Shoulder Room
|
|
60 in
Second Hip Room
|
|
144 in
Wheelbase
|
|
229 in
Length, Overall w/o rear bumper
|
|
N/A
Length, Overall w/rear bumper
|
|
N/A
Length, Overall
|
|
80 in
Width, Max w/o mirrors
|
|
74 in
Height, Overall
|
|
N/A
Overhang, Front
|
|
N/A
Overhang, Rear w/o bumper
|
|
N/A
Cab to End of Frame
|
|
35 in
Ground to Top of Load Floor
|
|
6
Passenger Capacity
|
|
N/A
Ext'd Cab Cargo Volume
|
|
61 ft³
Cargo Volume
|
|
N/A
Tailgate Width
|
|
21 in
Cargo Box (Area) Height
|
|
51 in
Cargo Box Width @ Wheelhousings
|
|
65 in
Cargo Box Width @ Floor
|
|
N/A
Cargo Box Width @ Top, Rear
|
|
79 in
Cargo Box Length @ Floor
|
|
9 in
Ground Clearance, Rear
|
|
9 in
Ground Clearance, Front
|
Safety
|
Standard
Stability Control
|
|
Standard
Backup Camera
|
Steering
|
Electric Rack & Pinion
Steering Type
|
|
N/A
Steering Ratio (:1), Overall
|
|
47 ft
Turning Diameter - Curb to Curb
|
|
N/A
Turning Diameter - Wall to Wall
|
Suspension
|
Independent
Suspension Type - Front
|
|
2-Stage Multi-Leaf
Suspension Type - Rear
|
|
Independent
Axle Type - Front
|
|
Semi-floating
Axle Type - Rear
|
Tires & Wheels
|
P265/65R18
Front Tire Size
|
|
P265/65R18
Rear Tire Size
|
|
P265/70R17
Spare Tire Size
|
|
18 x 8.5 in
Front Wheel Size
|
|
18 x 8.5 in
Rear Wheel Size
|
|
17 x -TBD- in
Spare Wheel Size
|
|
Aluminum
Front Wheel Material
|
|
Aluminum
Rear Wheel Material
|
|
N/A
Spare Wheel Material
|
Weight & Capacity
|
26 gal
Fuel Tank Capacity, Approx
|
|
N/A
Aux Fuel Tank Capacity, Approx
|
|
N/A
Base Curb Weight
|
|
N/A
Curb Weight - Front
|
|
N/A
Curb Weight - Rear
|
|
0 lbs
Option Weight - Front
|
|
0 lbs
Option Weight - Rear
|
|
N/A
As Spec'd Curb Weight
|
|
N/A
As Spec'd Payload
|
|
N/A
Maximum Payload Capacity
|
|
12,000 lbs
Gross Combined Wt Rating
|
|
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
|
|
500 lbs
Dead Weight Hitch - Max Tongue Wt.
|
|
6,400 lbs
Wt Distributing Hitch - Max Trailer Wt.
|
|
640 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
|
N/A
Fifth Wheel Hitch - Max Trailer Wt.
|
|
N/A
Fifth Wheel Hitch - Max Tongue Wt.
|
|
12,500 lbs
Maximum Trailering Capacity
|
|
0 lbs
Total Option Weight
|
|
N/A
Curb Weight
|
|
7,600 lbs
Gross Axle Weight Rating
|
|
7,000 lbs
Gross Vehicle Weight Rating
|
Compare trims
Wondering which trim is right for you?
Our 2018 GMC Sierra 1500 trim comparison will help you decide.