Standout Trims
2018 HIGHLIGHTS
Full History Report
Buying a 2018 GMC Sierra 1500?
5 recalls have been issued for this model year. Check its history before you buy.
A vehicle history report shows accidents, ownership history, and service records.
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Trim Levels
ALL 2018 GMC SIERRA 1500 TRIMS
| Trim | Body | Engine | MPG | HP | Seats | MSRP | Score | |
|---|---|---|---|---|---|---|---|---|
| BaseTop Rated | Truck (Regular Cab) | 4.3L | 20 | 285 | 3 | $28,705 | MyCar Score™63.8 | Look Up VIN |
| Base | Truck (Regular Cab) | 4.3L | 20 | 285 | 3 | $29,095 | MyCar Score™63.5 | Look Up VIN |
| SLE | Truck (Regular Cab) | 4.3L | 20 | 285 | 3 | $35,405 | MyCar Score™62.8 | Look Up VIN |
| Base | Truck (Double Cab) | 4.3L | 20 | 285 | 6 | $32,730 | MyCar Score™62.8 | Look Up VIN |
| SLE | Truck (Regular Cab) | 4.3L | 20 | 285 | 3 | $35,530 | MyCar Score™62.7 | Look Up VIN |
| Base | Truck (Regular Cab) | 4.3L | 19 | 285 | 3 | $32,645 | MyCar Score™62.6 | Look Up VIN |
| Base | Truck (Regular Cab) | 4.3L | 19 | 285 | 3 | $32,945 | MyCar Score™62.5 | Look Up VIN |
| Base | Truck (Crew Cab) | 4.3L | 20 | 285 | 6 | $35,470 | MyCar Score™62.4 | Look Up VIN |
| SLT | Truck (Double Cab) | 5.3L | 19 | 355 | 6 | $42,530 | MyCar Score™62.1 | Look Up VIN |
| SLE | Truck (Double Cab) | 4.3L | 20 | 285 | 6 | $38,010 | MyCar Score™62.1 | Look Up VIN |
| SLE | Truck (Regular Cab) | 4.3L | 19 | 285 | 3 | $39,310 | MyCar Score™61.7 | Look Up VIN |
| SLT | Truck (Crew Cab) | 5.3L | 19 | 355 | 6 | $44,990 | MyCar Score™61.7 | Look Up VIN |
| Base | Truck (Double Cab) | 4.3L | 19 | 285 | 6 | $36,710 | MyCar Score™61.7 | Look Up VIN |
| Base | Truck (Crew Cab) | 5.3L | 18 | 355 | 6 | $40,015 | MyCar Score™61.7 | Look Up VIN |
| SLE | Truck (Crew Cab) | 4.3L | 20 | 285 | 6 | $40,475 | MyCar Score™61.7 | Look Up VIN |
| SLE | Truck (Regular Cab) | 4.3L | 19 | 285 | 3 | $39,610 | MyCar Score™61.6 | Look Up VIN |
| Base | Truck (Crew Cab) | 4.3L | 19 | 285 | 6 | $38,620 | MyCar Score™61.4 | Look Up VIN |
| SLT | Truck (Double Cab) | 5.3L | 18 | 355 | 6 | $45,780 | MyCar Score™61.1 | Look Up VIN |
| SLE | Truck (Double Cab) | 4.3L | 19 | 285 | 6 | $41,855 | MyCar Score™61 | Look Up VIN |
| SLE | Truck (Crew Cab) | 5.3L | 18 | 355 | 6 | $45,840 | MyCar Score™60.9 | Look Up VIN |
| SLT | Truck (Crew Cab) | 5.3L | 18 | 355 | 6 | $48,140 | MyCar Score™60.7 | Look Up VIN |
| SLE | Truck (Crew Cab) | 4.3L | 19 | 285 | 6 | $44,445 | MyCar Score™60.6 | Look Up VIN |
| SLT | Truck (Crew Cab) | 5.3L | 18 | 355 | 6 | $48,440 | MyCar Score™60.5 | Look Up VIN |
| Denali | Truck (Crew Cab) | 5.3L | 18 | 355 | 5 | $52,605 | MyCar Score™60.2 | Look Up VIN |
| Denali | Truck (Crew Cab) | 5.3L | 17 | 355 | 5 | $55,755 | MyCar Score™59.2 | Look Up VIN |
| Denali | Truck (Crew Cab) | 5.3L | 17 | 355 | 5 | $56,055 | MyCar Score™59.2 | Look Up VIN |
Base
Top RatedBody
Truck (Regular Cab)
MPG
20
HP
285
Seats
3
MSRP
$28,705
Drive
rear wheel drive
Base
Body
Truck (Regular Cab)
MPG
20
HP
285
Seats
3
MSRP
$29,095
Drive
rear wheel drive
SLE
Body
Truck (Regular Cab)
MPG
20
HP
285
Seats
3
MSRP
$35,405
Drive
rear wheel drive
Base
Body
Truck (Double Cab)
MPG
20
HP
285
Seats
6
MSRP
$32,730
Drive
rear wheel drive
SLE
Body
Truck (Regular Cab)
MPG
20
HP
285
Seats
3
MSRP
$35,530
Drive
rear wheel drive
Base
Body
Truck (Regular Cab)
MPG
19
HP
285
Seats
3
MSRP
$32,645
Drive
four wheel drive
Base
Body
Truck (Regular Cab)
MPG
19
HP
285
Seats
3
MSRP
$32,945
Drive
four wheel drive
Base
Body
Truck (Crew Cab)
MPG
20
HP
285
Seats
6
MSRP
$35,470
Drive
rear wheel drive
SLT
Body
Truck (Double Cab)
MPG
19
HP
355
Seats
6
MSRP
$42,530
Drive
rear wheel drive
SLE
Body
Truck (Double Cab)
MPG
20
HP
285
Seats
6
MSRP
$38,010
Drive
rear wheel drive
SLE
Body
Truck (Regular Cab)
MPG
19
HP
285
Seats
3
MSRP
$39,310
Drive
four wheel drive
SLT
Body
Truck (Crew Cab)
MPG
19
HP
355
Seats
6
MSRP
$44,990
Drive
rear wheel drive
Base
Body
Truck (Double Cab)
MPG
19
HP
285
Seats
6
MSRP
$36,710
Drive
four wheel drive
Base
Body
Truck (Crew Cab)
MPG
18
HP
355
Seats
6
MSRP
$40,015
Drive
four wheel drive
SLE
Body
Truck (Crew Cab)
MPG
20
HP
285
Seats
6
MSRP
$40,475
Drive
rear wheel drive
SLE
Body
Truck (Regular Cab)
MPG
19
HP
285
Seats
3
MSRP
$39,610
Drive
four wheel drive
Base
Body
Truck (Crew Cab)
MPG
19
HP
285
Seats
6
MSRP
$38,620
Drive
four wheel drive
SLT
Body
Truck (Double Cab)
MPG
18
HP
355
Seats
6
MSRP
$45,780
Drive
four wheel drive
SLE
Body
Truck (Double Cab)
MPG
19
HP
285
Seats
6
MSRP
$41,855
Drive
four wheel drive
SLE
Body
Truck (Crew Cab)
MPG
18
HP
355
Seats
6
MSRP
$45,840
Drive
four wheel drive
SLT
Body
Truck (Crew Cab)
MPG
18
HP
355
Seats
6
MSRP
$48,140
Drive
four wheel drive
SLE
Body
Truck (Crew Cab)
MPG
19
HP
285
Seats
6
MSRP
$44,445
Drive
four wheel drive
SLT
Body
Truck (Crew Cab)
MPG
18
HP
355
Seats
6
MSRP
$48,440
Drive
four wheel drive
Denali
Body
Truck (Crew Cab)
MPG
18
HP
355
Seats
5
MSRP
$52,605
Drive
rear wheel drive
Denali
Body
Truck (Crew Cab)
MPG
17
HP
355
Seats
5
MSRP
$55,755
Drive
four wheel drive
Denali
Body
Truck (Crew Cab)
MPG
17
HP
355
Seats
5
MSRP
$56,055
Drive
four wheel drive
At a Glance
KEY SPECS
Body Type
Truck (Regular Cab), Truck (Double Cab), Truck (Crew Cab)
MPG Range
17–20 MPG
HP Range
285–355 HP
Seating
Up to 3
Fuel Type
flex-fuel (unleaded/E85)
Drive Type
rear wheel drive
Towing
8,900 lbs
Dimensions & Comfort
SPACE & COMFORT
Based on the top-rated 2018 Sierra 1500 trim.
Exterior Dimensions
Length
205.6 in
Width
80 in
Height
74 in
Wheelbase
119 in
Interior Dimensions
Front Headroom
42.4 in
Front Legroom
45.3 in
Cargo & Capacity
Towing
8,900 lbs
Curb Weight
4,515 lbs
Safety & Warranty
PROTECTION & COVERAGE
Safety Ratings
2018 GMC Sierra 1500 PU/EC RWD
NHTSA Overall
★★★★★(5/5)Frontal Crash
★★★★★(5/5)Side Crash
★★★★★(5/5)Side Pole
★★★★☆(4/5)Rollover
★★★★☆(4/5)Open Recalls
5 recalls
Source: NHTSA New Car Assessment Program. nhtsa.gov/ratings
Warranty Coverage
Basic Coverage
3 yr./ 36000 mi.
Drivetrain
5 yr./ 60000 mi.
Roadside Assistance
5 yr./ 60000 mi.
Family & Safety
IS THIS A GOOD FAMILY CAR?
Car Seat Usability
Always have car seat installation checked by a certified technician. Find an inspection station near you →
LATCH System
LATCH (Lower Anchors and Tethers for Children) is required on all US vehicles from 2003 onward.
✓ LATCH anchors required
Related Gear
Common Questions
2018 GMC SIERRA 1500 FAQ
How many recalls does a 2018 GMC Sierra 1500 have?▾
The 2018 GMC Sierra 1500 has 5 recalls on record with NHTSA. Always verify current recall status at nhtsa.gov before purchasing.
What is the fuel economy of a 2018 GMC Sierra 1500?▾
The 2018 GMC Sierra 1500 gets 17–20 MPG combined depending on trim level and drivetrain configuration.
What is the best 2018 GMC Sierra 1500 trim to buy used?▾
Based on MyCar Score™ ratings, the Base trim scores highest at 63.8 out of 100, balancing value, fuel economy, and specifications.
Is the 2018 GMC Sierra 1500 a good used car?▾
The 2018 GMC Sierra 1500 has an average MyCar Score™ of 62 out of 100. MyCar Score™ weighs NHTSA safety ratings, recall history, fuel economy, and value. Compare trims carefully before purchasing.
How much does a 2018 GMC Sierra 1500 cost used?▾
New MSRP for the 2018 GMC Sierra 1500 ranged from $28,705 to $56,055. Used prices vary by mileage, trim, and condition — run a free VIN lookup to check a specific vehicle.
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