2018 GMC Sierra 1500 vs. 2018 Ram 1500
iSeeCars' unbiased and data-driven comparison of the 2018 GMC Sierra 1500 and 2018 Ram 1500 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the 2018 GMC Sierra 1500 and the 2018 Ram 1500.
When we compare the 2018 GMC Sierra 1500's and the 2018 Ram 1500's specifications and ratings, the 2018 GMC Sierra 1500 has the advantage in the areas of reliability and resale value. The 2018 Ram 1500 has the advantage in the areas of typical lower range of pricing for used cars, overall quality score and base engine power. The 2018 GMC Sierra 1500 and 2018 Ram 1500 have the same fuel efficiency. Based on this comparison of the 2018 GMC Sierra 1500's and the 2018 Ram 1500's specifications and ratings, the 2018 Ram 1500 is a better car than the 2018 GMC Sierra 1500.
Pricing: A used 2018 GMC Sierra 1500 ranges from $22,987 to $41,384 while a used 2018 Ram 1500 is priced between $16,995 to $33,999.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the 2018 GMC Sierra 1500 loses 38.1 percent of its value and the 2018 Ram 1500 loses 41.3 percent of its value. This means the 2018 GMC Sierra 1500 retains 3.3 percentage points more of its value and has the advantage of higher resale value versus the 2018 Ram 1500.
Quality Rating: The iSeeCars Overall Quality rating for the GMC Sierra 1500 is 8.6 out of 10 while the Ram 1500's quality rating is 8.6 out of 10. This results in the GMC Sierra 1500 being ranked 5 out of 11 Best Full-Size Trucks and the Ram 1500 being ranked 3 out of 11.
Reliability Rating: iSeeCars’ Reliability Rating for the GMC Sierra 1500 is 8.8 out of 10. For the Ram 1500 the reliability rating is 8.5 out of 10. This gives the GMC Sierra 1500 a slight advantage in reliability compared to the Ram 1500.
Engine Power and Fuel Efficiency Comparison: For engine performance, the 2018 GMC Sierra 1500’s base engine makes 285 horsepower, and the 2018 Ram 1500 base engine makes 305 horsepower. Both the Sierra 1500 and the 1500 are rated to deliver an average of 14 miles per gallon, with highway ranges of 624 and 650 miles respectively. Both models use e85, regular unleaded.
Passenger Space Comparison: The 2018 GMC Sierra 1500 and 2018 Ram 1500 are comparable in regards to front shoulder room.
Available Cab Types and Bed Lengths: Both the 2018 GMC Sierra 1500 and the 2018 Ram 1500 are available in Crew Cab, Extended Cab,or a Regular Cab configuration. The 2018 GMC Sierra 1500 offers bed lengths of 69.3, 78.9, and 97.8 inches, and the 2018 Ram 1500 offers bed lengths of 67.4, 76.3, 98.3 inches.
Safety Ratings: When comparing crash test ratings from NHTSA, the 2018 Ram 1500 has higher safety ratings than the 2018 GMC Sierra 1500, with an average rating of 4.73 out of 5 Stars compared to 4.40 out of 5 Stars.
New Car Pricing
Asking Price:
-
Starting MSRP:
$29,000
Category Avg Starting MSRP:
(Full-Size Pickup Trucks)
$29,420
Category Starting MSRP Range:
(Full-Size Pickup Trucks)
$27,295 - $32,290
New Car Pricing
Asking Price:
-
Starting MSRP:
$27,295
Category Avg Starting MSRP:
(Full-Size Pickup Trucks)
$29,420
Category Starting MSRP Range:
(Full-Size Pickup Trucks)
$27,295 - $32,290
Used Car Pricing
Avg Used Car Price:
$32,581
Price Range:
$22,987 - $41,384
Category Avg Price:
(Full-Size Pickup Trucks)
$29,988
Category Avg Price Range:
(Full-Size Pickup Trucks)
$25,630 - $34,948
# Used Cars for Sale Nationally:
1,369
Avg Mileage of Used Cars for Sale:
94,462
# Good or Great Deals:
591
Used Car Pricing
Avg Used Car Price:
$25,630
Price Range:
$16,995 - $33,999
Category Avg Price:
(Full-Size Pickup Trucks)
$29,988
Category Avg Price Range:
(Full-Size Pickup Trucks)
$25,630 - $34,948
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
GMC Sierra 1500 Scores & Rankings
Overall Score:
8.6 / 10
Reliability:
8.8 / 10
Retained Value:
8.1 / 10
Safety:
8.8 / 10
Ram 1500 Scores & Rankings
Overall Score:
8.6 / 10
Reliability:
8.5 / 10
Retained Value:
7.9 / 10
Safety:
9.5 / 10
iSeeCars Reliability Insights for 2018 GMC Sierra 1500
Remaining Life Expectancy (years):
5.8
Typical Category Remaining Life Expectancy:
(Full-Size Pickup Trucks)
6.1
Category Remaining Life Expectancy Range:
(Full-Size Pickup Trucks)
5.3 - 8.3
Chance of Reaching 200k Miles for a New Car:
48.1%
iSeeCars Reliability Insights for 2018 Ram 1500
Remaining Life Expectancy (years):
5.8
Typical Category Remaining Life Expectancy:
(Full-Size Pickup Trucks)
6.1
Category Remaining Life Expectancy Range:
(Full-Size Pickup Trucks)
5.3 - 8.3
Chance of Reaching 200k Miles for a New Car:
46.4%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.6
Typical Category Recalls:
(Full-Size Pickup Trucks)
3.7
Category Range for Recalls:
(Full-Size Pickup Trucks)
0.9 - 15.2
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
15.2
Typical Category Recalls:
(Full-Size Pickup Trucks)
3.7
Category Range for Recalls:
(Full-Size Pickup Trucks)
0.9 - 15.2
GMC Sierra 1500 Rankings
Ranking
1 out of / 8Ranking
2 out of / 11Ranking
2 out of / 11Ranking
2 out of / 11Ranking
2 out of / 3Ranking
3 out of / 11Ranking
3 out of / 11Ranking
4 out of / 11Ranking
4 out of / 11Ranking
4 out of / 11Ranking
5 out of / 11Ranking
5 out of / 6Ranking
7 out of / 11Ram 1500 Rankings
Ranking
1 out of / 11Ranking
2 out of / 11Ranking
2 out of / 11Ranking
3 out of / 11Ranking
4 out of / 11Ranking
4 out of / 8Ranking
6 out of / 11Ranking
6 out of / 11Ranking
6 out of / 6Ranking
7 out of / 11Ranking
9 out of / 11Ranking
10 out of / 11Ranking
11 out of / 11Available Body Styles
Pickup Truck
Available Body Styles
Pickup Truck
Available Cab Types
Crew Cab, Extended Cab, Regular Cab
Available Cab Types
Crew Cab, Extended Cab, Regular Cab
Available Bed Length(s)
69.3 inches, 78.9 inches, 97.8 inches
Available Bed Length(s)
67.4 inches, 76.3 inches, 98.3 inches
Available Drivetrain Options
Flex Fuel, Gasoline
Available Drivetrain Options
Biodiesel, Flex Fuel, Gasoline
2018 GMC Sierra 1500 Trim Levels
Base, Denali, SLE, SLT
2018 Ram 1500 Trim Levels
Big Horn, Express, Harvest, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Lone Star Silver, Night, Rebel, SLT, Sport, SSV, Tradesman, Tradesman HFE
Warranty Information
Warranty, Bumper-to-Bumper:
3 years / 36000 miles
Warranty, Powertrain:
5 years / 60000 miles
Warranty, Roadside Assistance:
5 years / 60000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
3 years / 36000 miles
Warranty, Powertrain:
5 years / 100000 miles
Warranty, Roadside Assistance:
3 years / 36000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
4.40 out of 5 Stars
2025 NHTSA Overall Rating:
4 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Rollover Rating:
4 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
4.73 out of 5 Stars
2025 NHTSA Overall Rating:
4 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
4 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Rollover Rating:
4 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
285 hp @ 5300 rpm
Torque:
305 foot-lbs @ 3900 rpm
Power-to-Weight Ratio (higher is better):
0.063 hp per pound
Towing capacity:
6000 lbs
Max Payload:
1960 lbs
Base Drivetrain Specs
Horsepower:
305 hp @ 6400 rpm
Torque:
269 foot-lbs @ 4175 rpm
Power-to-Weight Ratio (higher is better):
0.067 hp per pound
Towing capacity:
4940 lbs
Max Payload:
1480 lbs
Engine Specifications
Engine Size:
4.3 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
4X2 / 4X4
EPA Fuel Economy
(City/Highway/Combined MPG):
12 / 16 / 14
Range (city/hwy):
468 / 624 miles
Recommended Fuel Type:
E85, Regular Unleaded
Engine Specifications
Engine Size:
3.6 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
4X2 / 4X4
EPA Fuel Economy
(City/Highway/Combined MPG):
12 / 17 / 14
Range (city/hwy):
442 / 650 miles
Recommended Fuel Type:
E85, Regular Unleaded
Standard/Optional Features
Bench Seats:
Standard
Bluetooth:
Standard
Front Bench Seats:
Standard
Internet Radio:
Standard
Power outlet:
Standard
Voice Recognition:
Standard
Alloy wheels:
Available
Cooled/Ventilated Seats:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Keyless Entry:
Available
Keyless Ignition:
Available
Leather Upholstery:
Available
Navigation System:
Available
Parking Sensors:
Available
Roadside assistance:
Available
Satellite radio:
Available
Sunroof/Moonroof:
Available
Trailer Hitch:
Available
Wifi:
Available
Wireless Smartphone Charging:
Available
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Standard/Optional Features
Bench Seats:
Standard
Bluetooth:
Available
Front Bench Seats:
Standard
Internet Radio:
N/A
Power outlet:
Standard
Voice Recognition:
Available
Alloy wheels:
Available
Cooled/Ventilated Seats:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Keyless Entry:
Available
Keyless Ignition:
Available
Leather Upholstery:
Available
Navigation System:
Available
Parking Sensors:
Available
Roadside assistance:
Available
Satellite radio:
Available
Sunroof/Moonroof:
Available
Trailer Hitch:
Standard
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Adaptive Cruise Control:
N/A
Air Suspension:
Available
Android Auto:
Available
Apple CarPlay:
Available
Automatic Parking:
N/A
Captain's seat:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Safety Features
Backup camera:
Standard
Forward Collision Warning:
Available
Lane Departure Warning:
Available
Lane Keeping Assist:
Available
Rear Seat Reminder:
Available
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Safety Features
Backup camera:
Standard
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Rear Seat Reminder:
N/A
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Interior Dimensions
Front Head Room:
42.4 inches
Front Leg Room:
45.3 inches
Front Shoulder Room:
66 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
Not yet available
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
39.9 inches
Front Leg Room:
41 inches
Front Shoulder Room:
66 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
Not yet available
Overall Interior Volume:
62.5 cubic feet
Exterior Dimensions
Curb Weight:
4517 lbs
Width:
80 inches
Height:
74 inches
Length:
205 inches
Wheelbase:
119 inches
Ground Clearance:
8.2 inches
Exterior Dimensions
Curb Weight:
4540 lbs
Width:
79.4 inches
Height:
74.6 inches
Length:
209 inches
Wheelbase:
120.5 inches
Ground Clearance:
8.7 inches
Standard Wheel/Tire Information
Wheel Size:
17.0 x 8.0 inches
Wheel Type:
painted steel
Tire Size:
P255/70R17
Standard Wheel/Tire Information
Wheel Size:
17.0 x 7.0 inches
Wheel Type:
steel
Tire Size:
P265/70R17
Exterior Colors
Beige
Doeskin Tan
Black
Onyx Black
Blue
Arrival Blue Metallic / Blue / Indigo Blue / Stone Blue Metallic
Brown
Deep Mahogany Metallic
Gray
Dark Slate Metallic / Light Autumnwood Metallic / Pewter
Green
Unripened Green Metallic / Woodland Green
Orange
Orange / Tangier Orange
Red
Cardinal Red / Dark Toreador Red / Victory Red
Silver
Quicksilver Metallic
White
Summit White
Yellow
Wheatland Yellow / Yellow
Exterior Colors
Beige
Power Tan
Black
Black Clear Coat / Brilliant Black Crystal Pearl Coat
Blue
Blue Streak Pearl Coat / Midnight Blue Pearl Coat / New Holland Blue / True Blue Pearl Coat
Brown
Walnut Brown Metallic Clear Coat
Gray
Granite Crystal Metallic Clear Coat / Maximum Steel Metallic Clear Coat
Green
Hills Green / Timberline Green Pearl Coat / Tree Green
Orange
Omaha Orange
Red
Bright Red / Case IH Red / Delmonico Red Pearl Coat / Flame Red Clear Coat
Silver
Bright Silver Metallic Clear Coat
White
Bright White Clear Coat / Light Cream
Yellow
Detonator Yellow Clear Coat / School Bus Yellow / Yellow
Interior Colors
Gray
Dark Ash/Jet Black
Black
Not available
Interior Colors
Gray
Not available
Black
Black/Diesel Gray