Choose Trim

Choose trim
Your message was sent. You'll receive a response shortly.
Key specifications
- 8,900 lbs
- Towing Capacity
- 79 in
- Bed Length
- Gas/Ethanol V6
- Engine Type
- 18 City / 24 Hwy
- MPG
- Gas/Ethanol V6
- Engine Type
- 4.3L/262
- Displacement
- 285 @ 5300
- SAE Net Horsepower @ RPM
- 305 @ 3900
- SAE Net Torque @ RPM
- Semi-floating
- Axle Type - Rear
- Independent
- Axle Type - Front
- Independent
- Suspension Type - Front
- 2-Stage Multi-Leaf
- Suspension Type - Rear
- 26 gal
- Fuel Tank Capacity, Approx
- N/A
- Aux Fuel Tank Capacity, Approx
- 7,000 lbs
- Gross Axle Weight Rating
- 4,516 lbs
- Curb Weight
- Standard
- Backup Camera
- Standard
- Stability Control
- Standard
- Bluetooth®
- 730
- Cold Cranking Amps @ 0° F (Primary)
- 150
- Maximum Alternator Capacity (amps)
- N/A
- Brake ABS System (Second Line)
- Pwr
- Brake Type
- Yes
- Disc - Front (Yes or )
- Yes
- Disc - Rear (Yes or )
Notable features
7-inch touchscreen radio, backup camera now standard
Heavy-duty Denali models get new grille
12,500-pound maximum towing capacity (Sierra 1500)
Apple CarPlay, Android Auto connectivity standard
OnStar with 4G LTE and Wi-Fi hot spot available
Forward collision warning available
Engine
Gas/Ethanol V6 Engine Type
4.3L/262 Displacement
285 @ 5300 SAE Net Horsepower @ RPM
305 @ 3900 SAE Net Torque @ RPM
Suspension
Semi-floating Axle Type - Rear
Independent Axle Type - Front
Independent Suspension Type - Front
2-Stage Multi-Leaf Suspension Type - Rear
Weight & Capacity
26 gal Fuel Tank Capacity, Approx
N/A Aux Fuel Tank Capacity, Approx
7,000 lbs Gross Axle Weight Rating
4,516 lbs Curb Weight
0 lbs Total Option Weight
6,500 lbs Gross Vehicle Weight Rating
N/A Base Curb Weight
2,660 lbs Curb Weight - Front
1,856 lbs Curb Weight - Rear
0 lbs Option Weight - Front
0 lbs Option Weight - Rear
4,522 lbs As Spec'd Curb Weight
1,978 lbs As Spec'd Payload
1,984 lbs Maximum Payload Capacity
11,000 lbs Gross Combined Wt Rating
5,000 lbs Dead Weight Hitch - Max Trailer Wt.
500 lbs Dead Weight Hitch - Max Tongue Wt.
6,000 lbs Wt Distributing Hitch - Max Trailer Wt.
600 lbs Wt Distributing Hitch - Max Tongue Wt.
N/A Fifth Wheel Hitch - Max Trailer Wt.
N/A Fifth Wheel Hitch - Max Tongue Wt.
8,900 lbs Maximum Trailering Capacity
Safety
Standard Backup Camera
Standard Stability Control
Entertainment
Standard Bluetooth®
Electrical
730 Cold Cranking Amps @ 0° F (Primary)
150 Maximum Alternator Capacity (amps)
Brakes
N/A Brake ABS System (Second Line)
Pwr Brake Type
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 )
4-Wheel Brake ABS System
Photo & video gallery























Factory warranties
New car program benefits
Basic
3 years / 36,000 miles
Corrosion
3 years / 36,000 miles
Powertrain
5 years / 60,000 miles
Maintenance
2 years / 24,000 miles
Roadside Assistance
5 years / 60,000 miles
Certified Pre-Owned program benefits
Age / mileage
5 model years or newer / up to 75,000 miles
Basic
12 months / 12,000 miles bumper-to-bumper original warranty, then may continue to 6 years / 100,000 miles limited (depending on variables)
Dealer certification
172-point inspection
The good & the bad
The good
All Terrain model
Two bed-length choices for crew cab
Direct-injection, cylinder-deactivating engines
Quiet interior
The bad
No long-bed double-cab model for 1500
No diesel-engine option on 1500
Steering wheel not centered on driver's seat
Most recent
2018 crew cab gmc Sierra 1500
Am in disbelief every week at the Gas Pumps. Thou a big truck, mileage per gallons are 18 +. Last week it was 22.8. This week 19.78.
- Purchased a Used car
- Used for Transporting family
- Does recommend this car
Poor transmission on 2018 sierra
Very poor transmission going up hills it doesn’t no if it wants to shift up or down truck shakes it’s embarrassing when people in it they ask what’s wrong with it I tell them good question ask GM the service centre where I bought it just smile when you tell them about it
- Purchased a New car
- Used for Transporting family
- Does not recommend this car
Safety review
Based on the 2018 GMC Sierra 1500 base trim
NHTSA crash test and rollover ratings, scored out of 5.
- Overall rating
-
5/5
- Combined side rating front seat
-
5/5
- Frontal barrier crash rating driver
-
5/5
- Frontal barrier crash rating passenger
-
5/5
- Overall frontal barrier crash rating
-
5/5
- Overall side crash rating
-
5/5
- Rollover rating
-
4/5
- Side barrier rating
-
5/5
- Side barrier rating driver
-
5/5
- Side pole rating driver front seat
-
4/5
17.9%
Risk of rollover
- Side pole rating driver front seat
-
4/5
17.9%
Risk of rollover
Latest news from cars.com

Featured
All the Pickup Truck News: 2020 Toyota Tacoma Is Tops in Crash Tests, Ford Super Duties at SEMA and More
How well the 2020 Toyota Tacoma performed in crash tests tops our weekly roundup of pickup truck news.
Read more
638,000 Chevrolet and GMC SUVs and Pickup Trucks: Recall Alert
Approximately 638,000 Chevrolet and GMC SUVs and pickup trucks are being recalled for their electronic brake control modules.
All the Pickup Truck News: Ram 3500 Tradesman Tows, Ram 1500 Ups Crash Cred and More
From towing to crash tests to recall alerts, pickup trucks made plenty of news during the past week. Here’s everything we know.
3.5 Million 2014-2018 Cadillac, Chevrolet and GMC SUVs and Pickup Trucks: Recall Alert
Approximately 3.5 million Cadillac SUVs and Chevrolet and GMC pickup trucks and SUVs are being recalled for a vacuum pump.
GMC dealers near you
Leesburg Buick GMC CARS Smoke Test 9 Criswell Chevrolet Buick GMC of Gaithersburg Criswell Buick GMC Koons of Tysons Chevrolet GMC Jim McKay Chevrolet Joyce Koons Honda Buick GMC Joyce Koons Honda Buick GMC Bomnin Chevrolet Manassas Ourisman Chevrolet of Rockville - Curbside pickup and home delivery available Fitzgerald Rockville GMC idealbuickgmc Ideal Buick GMC Hyundai Fitzgerald Chevrolet Frederick Country Chevrolet Guy's Buick-GMC Inc Ourisman Chevrolet Buick GMC of Alexandria Lindsay Buick GMC Koons Woodbridge Buick GMC Koons Clarksville Chevy GMC Lindsay Chevrolet AutoNation Chevrolet Laurel Autonation Buick GMC Laurel Antwerpen Chevrolet Kern Motor Company Inc Malloy Chevrolet Miller Brothers Chevrolet Cadillac Sheehy GMC Brandywine Buick GMC Ourisman Chevrolet of Bowie - Curbside Pick Up and Home Delivery Available Ourisman Chevrolet Baltimore - Curbside pickup and home delivery available Wantz Chevrolet I.G. Burton Buick GMC of Glen Burnie
You might also like

$28,500

$34,190

$31,200
GMC Sierra 1500 history
-
2025 GMC Sierra 1500 -
2024 GMC Sierra 1500 -
2023 GMC Sierra 1500 -
2022 GMC Sierra 1500 -
2021 GMC Sierra 1500 -
2020 GMC Sierra 1500 -
2019 GMC Sierra 1500 -
2018 GMC Sierra 1500
Your list was successfully saved.
Your comparisons