2021 Buick Enclave AWDFuel Economy & MPG Ratings
Trim Comparison
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 9-spd | Regular | 17 | 25 | 20 | $3,400 |
Based on gasoline at $3.67/gal, 15,000 miles/year
vs. average new vehicle
Environment
- CO₂ Tailpipe Emissions
- 440 g/mile
- Annual Petroleum Consumption
- 14.9 barrels
Specifications
- Engine
- 3.6L 6-cyl
- Transmission
- 9-speed Automatic
- Drivetrain
- AWD
- Body Style
- SUV/Crossover
- GVWR
- Class 2-3 (6,001–10,000 lbs)
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 3.6L, 6-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
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $3,368/yr | — |
| California | $5.957/gal | $4,468/yrHIGHEST | +$1,100 |
| Texas | $3.888/gal | $2,916/yrLOWEST | $-452 |
| Florida | $4.136/gal | $3,102/yr | $-266 |
| New York | $4.522/gal | $3,392/yr | +$24 |
| Ohio | $4.510/gal | $3,383/yr | +$15 |
| Washington | $5.591/gal | $4,193/yr | +$825 |
| Colorado | $4.618/gal | $3,464/yr | +$96 |
| Minnesota | $4.344/gal | $3,258/yr | $-110 |
| Massachusetts | $4.448/gal | $3,336/yr | $-32 |
Calculated at 15,000 miles/year (EPA standard assumption) using 20 MPG combined. Regular gasoline prices. Actual costs vary.
Recall History
Source: NHTSA✓No recalls reported for this vehicle.
Owner-Reported Problems21 complaints
Source: NHTSANHTSA has received 21 owner complaints for the 2021 Buick Enclave AWD. Top reported issues include electrical system, brakes and locks & latches. The data below is sourced from consumer complaints filed directly with NHTSA.
Problems by System / Component
2021 Buick Enclave AWD problems by category: Electrical System: 6 complaints, Brakes: 6 complaints, Locks & Latches: 2 complaints, Engine: 2 complaints, Structure: 2 complaints, Fuel System: 1 complaints, Seat Belts: 1 complaints, Advanced Safety (ADAS): 1 complaints.
Sample Owner Complaints
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.