DecodedCars2021 Aston Martin DBX V8
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2021 models.
- Class
- Standard Sport Utility Vehicle 4WD
- Engines
- 4.0L 8-cyl turbo
- Drivetrain
- 4-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 15 combined · 14 city / 18 hwy
- Length
- –
- Curb weight
- –
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- No recalls so far
Watch out for
- Below-average fuel economyBest version gets 15 MPG combined, 20% below the 2021 standard SUV average of 18.8 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data — not a review. How we calculate this →
Overview
The 2021 Aston Martin DBX V8 is a standard SUV offered with a 4.0L 8-cyl turbo engine and 4-wheel drive.
EPA rates its most efficient version at 15 MPG combined (14 city / 18 highway), 20% worse than the 2021 standard SUV average of 18.8 MPG, for an estimated $5,500 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
There are no recalls or owner complaints on file with NHTSA for this model year.
Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| DBX V8 | 4.0L 8-cyl turbo | Automatic 9-spd | 4-Wheel Drive | 14 / 18 / 15 | -20% | $5,500 | 572 |
EPA estimates; "vs. class" is combined MPG against the 2021 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2021 Aston Martin DBX V8.
Similar 2021 standard SUVs
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2021 Aston Martin DBX V8 (this car) | 15 MPG | Not rated | 0 |
| 2021 Lamborghini Urus | 14 MPG | Not rated | 3 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2021 Aston Martin DBX V8.
Check your VIN for open recalls at NHTSA ↗Not every 2021 Aston Martin DBX V8 is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2021 Aston Martin DBX V8 in NHTSA's database since 2015.
Used 2021 Aston Martin DBX V8 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2021 Aston Martin DBX V8. Not a substitute for a professional inspection.
Other DBX V8 years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2024 DBX V8 | 16 | – | Not rated | 0 | 0 |
| 2023 DBX V8 | 16 | – | Not rated | 0 | 0 |
| 2022 DBX V8 | 16 | – | Not rated | 0 | 0 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Aston Martin. How we calculate this →