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2021 GMC Terrain

2021 GMC Terrain

SUV
FWD
Regular Gasoline
Horsepower
MPG Combined
27 mpg
MSRP
Torque
Reliability Score
97/ 100Excellent
Based on 46 NHTSA complaints

Should You Buy a 2021 GMC Terrain?

The 2021 GMC Terrain is a compact SUV that offers a balanced blend of comfort, efficiency, and practicality. With a front-wheel-drive system and a 1.5L I4 engine producing 170 hp and 203 lb-ft of torque, it delivers a respectable 28 MPG combined, making it an excellent choice for daily commuting and family outings. The spacious interior comfortably seats five, providing ample room for passengers and cargo alike, while the 9-speed shiftable automatic transmission enhances driving ease and fuel efficiency.

However, potential buyers should be aware of some reported issues. The NHTSA has logged 46 complaints, primarily concerning the powertrain, electrical system, and engine. While the reliability score stands at a commendable 97.1/100, the presence of crash incidents and injuries suggests that a thorough inspection and test drive are advisable before making a purchase decision.

Ideal For

The 2021 GMC Terrain is best suited for families or individuals seeking a reliable, fuel-efficient SUV for daily commuting and weekend getaways.

Strengths

  • +High fuel efficiency at 28 MPG combined
  • +Spacious interior with comfortable seating for five
  • +Advanced safety features and good reliability score
  • +Smooth driving experience with a 9-speed automatic transmission
  • +Practical cargo space for everyday use

Weaknesses

  • -Reported issues with powertrain and electrical components
  • -Moderate horsepower may not satisfy performance enthusiasts
  • -Limited off-road capability due to front-wheel drive
  • -Some complaints regarding braking performance
  • -Higher MSRP compared to competitors in the compact SUV segment

Known Issues (NHTSA Data)

The 2021 GMC Terrain has recorded a total of 46 complaints to the NHTSA, with notable issues related to the powertrain, electrical system, and engine. While there are no fire incidents reported, the presence of crash incidents and injuries indicates that buyers should approach this vehicle with caution. Overall, the reliability score of 97.1/100 suggests that it is generally a dependable choice, but potential buyers should remain vigilant about the known issues.

Top Complaint Areas
POWER TRAIN15% of complaints
ELECTRICAL SYSTEM15% of complaints
ENGINE13% of complaints
SERVICE BRAKES11% of complaints
UNKNOWN OR OTHER7% of complaints

Performance

Horsepower
Torque
Engine
1.5 L
Cylinders
I4
Transmission
Automatic 9-spd
Drive Type
FWD

Efficiency

MPG Combined
27
Fuel Type
Regular Gasoline

Dimensions

Length
183.1 in
Width
72.4 in
Height
65.4 in
Wheelbase
107.5 in
Curb Weight
3,448 lbs
Ground Clearance

Capacity

Doors
4
Seating
Cargo
Max Cargo
Max Towing
Max Payload

ddpc Estimated Value

$19,674
$16,723 – $22,625
Depreciation Over Time
New
5yr
10yr
ddpc Estimate based on original MSRP, standard depreciation curves, vehicle class, and NHTSA reliability data. Not a substitute for professional appraisal. Actual value depends on condition, mileage, location, and market conditions.

Estimated Cost of Ownership

Estimated Annual Cost
$4,381
Per Mile
$0.37
5-Year Total
$38,131
Fuel
$1,500/yr
Maintenance
$700/yr
Insurance
$2,181/yr
Depreciation
$3,245/yr
Based on industry-standard estimates for this vehicle class. Fuel cost assumes 12,000 mi/yr at national average gas prices. Maintenance uses class-based intervals, not manufacturer-specific schedules. Actual costs vary by location, driving habits, and vehicle condition.

Available Trims (2)

Terrain FWD
SIDI
FWD
Terrain AWD
SIDI
AWD

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