Defect Summary: General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette Convertible E-Ray, Equinox, Silverado 1500, 2500, 3500, Silverado EV, Suburban 1500, Tahoe, Traverse, GMC Acadia, Hummer EV Pickup, Hummer EV SUV, Sierra 1500, 2500, 3500, Sierra EV, Terrain, Yukon, and Yukon XL vehicles. The radio may not have been set to the correct status to download the electronic owner's manual during production. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, “Occupant Protection.”
The 2026 GMC Terrain has zero owner defect complaints and 1 safety recall campaign on file with NHTSA. EPA testing covers 10 certified vehicle configurations spanning 3l 6-cyl, 2.7l 4-cyl, 5.3l 8-cyl, 6.2l 8-cyl, and 1.5l 4-cyl configurations. Gasoline and hybrid variants deliver 15 to 27 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.
- • NHTSA Owner Complaints: 0 reports
- • Safety Recall Campaigns: 1 campaign
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 15–27 MPG (10 variants)
What is the fuel economy and range of the 2026 GMC Terrain?
Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
|---|---|---|---|---|---|---|---|---|
| Sierra Mud Terrain Tires with Sport Mode Diesel | 3L 6-Cyl | 4-Wheel Drive | Automatic 10-spd | 21 MPG | 24 MPG | 23 MPG | — | $3,450 / yr |
| Canyon Mud Terrain Tires 4WD | 2.7L 4-Cyl | 4-Wheel Drive | Automatic 8-spd | 17 MPG | 20 MPG | 18 MPG | — | $3,400 / yr |
| Sierra Mud Terrain Tires 4WD | 2.7L 4-Cyl | 4-Wheel Drive | Automatic 8-spd | 16 MPG | 17 MPG | 17 MPG | — | $3,600 / yr |
| Sierra Mud Terrain Tires 4WD FFV | 5.3L 8-Cyl | 4-Wheel Drive | Automatic 10-spd | 15 MPG | 19 MPG | 17 MPG | — | $3,600 / yr |
| Sierra Mud Terrain Tires 4WD (Sport Mode) | 5.3L 8-Cyl | 4-Wheel Drive | Automatic 10-spd | 15 MPG | 18 MPG | 16 MPG | — | $3,850 / yr |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-Cyl | 4-Wheel Drive | Automatic 10-spd | 14 MPG | 17 MPG | 16 MPG | — | $3,850 / yr |
| Sierra Mud Terrain Tires 4WD | 6.2L 8-Cyl | 4-Wheel Drive | Automatic 10-spd | 14 MPG | 17 MPG | 15 MPG | — | $5,050 / yr |
| Terrain FWD | 1.5L 4-Cyl | Front-Wheel Drive | Automatic (variable gear ratios) | 26 MPG | 28 MPG | 27 MPG | — | $2,300 / yr |
| Terrain AWD | 1.5L 4-Cyl | All-Wheel Drive | Automatic 8-spd | 24 MPG | 28 MPG | 25 MPG | — | $2,450 / yr |
| Terrain AWD Denali/AT4 | 1.5L 4-Cyl | All-Wheel Drive | Automatic 8-spd | 24 MPG | 26 MPG | 25 MPG | — | $2,450 / yr |
What are the crash test safety ratings for the 2026 GMC Terrain?
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
NHTSA 5-Star NCAP laboratory crash evaluations are not currently on file for the 2026 GMC Terrain.
Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2026 GMC Terrain models.
What defect complaints are reported for the 2026 GMC Terrain?
Summary of 0 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2026 GMC Terrain problems & component breakdown (0 categories) →Are there open safety recalls on the 2026 GMC Terrain?
Manufacturer safety recall campaigns monitored and recorded by NHTSA
The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
- NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
- NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
- U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.