2024 head-to-head · Subcompact Car
2024 Aston Martin DB12 V8 vs Porsche 911
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 4.0L 8-cyl turbo · 8-speed automatic · 17 MPG
The 2024 Porsche 911 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel (21 MPG), versus $3,485 for the 2024 Aston Martin DB12 V8 (17 MPG). That's roughly $664 a year, or about $3,319 over five years.
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 DB12 V8
- Porsche 911
Side by side
| Aston Martin DB12 V8 | Porsche 911 | |
|---|---|---|
| $3,485 | Your annual fuel cost | $2,821 |
| 17 MPG | Combined efficiency | 21 MPG |
| 15 MPG | City | 18 MPG |
| 22 MPG | Highway | 25 MPG |
| 72 cu ft | Passenger volume | 70 cu ft |
| 9 cu ft | Cargo volume | 5 cu ft |
| 507 g/mi | Tailpipe CO₂ (g/mi) | 425 g/mi |
| 3/10 | EPA fuel economy score | 4/10 |
| 3/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 8-speed automatic | Transmission | 7-speed manual |
| RWD | Drivetrain | RWD |
✓ 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 DB12 V8 vs Porsche 911 across model years
- Aston Martin DB12 V8
- Porsche 911
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
Per EPA interior volume figures, the Aston Martin DB12 V8 has more cargo space (9 vs. 5 cu ft).
Among 33 2024 subcompact cars, the Aston Martin DB12 V8 ranks 32nd and the Porsche 911 24th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2024 Aston Martin DB12 V8 or the 2024 Porsche 911?
Measured by cost to drive, the Porsche 911. The Aston Martin DB12 V8 is rated 17 MPG combined and the Porsche 911 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2024 Aston Martin DB12 V8 vs. the Porsche 911 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Aston Martin DB12 V8 and $2,821 for the Porsche 911.
Which has more cargo space?
The Aston Martin DB12 V8, with 9 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).
Aston Martin DB12 V8 vs Porsche 911 in other years
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