2023 GMC Terrain AWDFuel Economy & MPG Ratings

Gasoline Small Sport Utility Vehicle 4WDAll-Wheel Drive
2023 GMC Terrain AWD

Photo: Deathpallie325. CC BY 4.0. via Wikimedia Commons

City
24
MPG
Highway
28
MPG
Combined
26
MPG

Trim Comparison

Automatic 9-spd
Regular
City
24
Hwy
28
Comb
26
Fuel cost: $2,600/yr
Annual Fuel Cost
$2,600

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-1,000

vs. average new vehicle

EPA Fuel Economy Score: 5/10
GHG Score: 5/10

Environment

CO₂ Tailpipe Emissions
347 g/mile
Annual Petroleum Consumption
11.4 barrels

Specifications

Engine
1.5L 4-cyl
Transmission
9-speed Automatic
Drivetrain
AWD
Body Style
SUV/Crossover
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
1.5L, 4-cylinder
Induction Type
Direct Injection
Efficiency Tech
Auto Start-Stop
Fuel Type
Regular Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,590/yr
California
$5.957/gal$3,437/yr
Texas
$3.888/gal$2,243/yr
Florida
$4.136/gal$2,386/yr
New York
$4.522/gal$2,609/yr
Ohio
$4.510/gal$2,602/yr
Washington
$5.591/gal$3,226/yr
Colorado
$4.618/gal$2,664/yr
Minnesota
$4.344/gal$2,506/yr
Massachusetts
$4.448/gal$2,566/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 26 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)
Overall Safety Rating
5/5
2023 GMC Terrain SUV AWD

Crash Test Scores

Front Crash — Overall
Front Crash — Driver Side
Front Crash — Passenger Side
Side Crash — Overall
Side Crash — Driver Side
Side Crash — Passenger Side
Side Pole Crash
Rollover
Rollover Probability16.4%

Safety Equipment

Forward Collision Warning: StandardLane Departure Warning: Standard
32
Owner Complaints
2
Recalls
0
Investigations

Recall History2

Source: NHTSA

Owner-Reported Problems32 complaints

Source: NHTSA

NHTSA has received 32 owner complaints for the 2023 GMC Terrain AWD. Top reported issues include fuel system, engine and electrical system. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Fuel System
16
Engine
11
Electrical System
7
Power Train
5
Advanced Safety (ADAS)
5
Structure
1
Speed Control
1
Air Bags
1

2023 GMC Terrain AWD problems by category: Fuel System: 16 complaints, Engine: 11 complaints, Electrical System: 7 complaints, Power Train: 5 complaints, Advanced Safety (ADAS): 5 complaints, Structure: 1 complaints, Speed Control: 1 complaints, Air Bags: 1 complaints.

4
Crashes Reported
2
Fires Reported
2
Injuries Reported

Sample Owner Complaints

StructureFiled: 04/06/2026ODI#11729391
Took dealer 3/26 for Sam issue Engine Power reduced after already cause me hit curb. Got it out 4/1/26 Now 4/5/26 it happened again same codes after they claimed they fixed it. Also keep having Emerge…
Power TrainFiled: 03/22/2026ODI#11726152
Out of nowhere and driving this morning, my engine reduced power came on. Then I started losing power in the car then it died on me once out of nowhere. I managed to make it home an hour and a half la…
Electrical SystemFiled: 01/05/2024ODI#11563772
The contact's husband owns a 2023 GMC Terrain. The contact stated while driving from a complete stop at the traffic light, the vehicle shut off inadvertently. The contact was able to pull to the side …

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

GMC Terrain AWD MPG History
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