2021 head-to-head · Midsize & Large SUV
2021 Aston Martin DBX V8 vs Audi RS Q8
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
4WD · 4.0L 8-cyl turbo · 9-speed automatic · 15 MPG
AWD · 4.0L 8-cyl turbo · 8-speed automatic · 15 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2021 Aston Martin DBX V8 (15 MPG) costs about $3,950 a year to fuel and the 2021 Audi RS Q8 (15 MPG) about $3,950.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Aston Martin DBX V8
- Audi RS Q8
Side by side
| Aston Martin DBX V8 | Audi RS Q8 | |
|---|---|---|
| $3,950 | Your annual fuel cost | $3,950 |
| 15 MPG | Combined efficiency | 15 MPG |
| 14 MPG | City | 13 MPG |
| 18 MPG | Highway | 19 MPG |
| 572 g/mi | Tailpipe CO₂ (g/mi) | 579 g/mi |
| 2/10 | EPA fuel economy score | 2/10 |
| 2/10 | EPA greenhouse gas score | 2/10 |
| Gas | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 9-speed automatic | Transmission | 8-speed automatic |
| 4WD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Aston Martin DBX V8 vs Audi RS Q8 across model years
- Aston Martin DBX V8
- Audi RS Q8
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 65 2021 midsize & large SUVs, the Aston Martin DBX V8 ranks 63rd and the Audi RS Q8 62nd for lowest fuel cost.
The powertrains differ: the Aston Martin DBX V8 is a conventional gas model, while the Audi RS Q8 is a full hybrid.
Frequently asked questions
How much does it cost to fuel the 2021 Aston Martin DBX V8 vs. the Audi RS Q8 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,950 for the Aston Martin DBX V8 and $3,950 for the Audi RS Q8.
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