2027 head-to-head · Subcompact Car

2027 Aston Martin DB12 V8 vs Mercedes-Benz SL-Class Hybrid

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$3,485/ year to fuel
17 MPG

RWD · 4.0L 8-cyl turbo · 8-speed automatic · 17 MPG

✓ Cheaper to run
$2,576/ year to fuel
23 MPG

RWD · 2.0L 4-cyl turbo · 9-speed automatic · 23 MPG

The 2027 Mercedes-Benz SL-Class Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel (23 MPG), versus $3,485 for the 2027 Aston Martin DB12 V8 (17 MPG). That's roughly $909 a year, or about $4,546 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
  • Mercedes-Benz SL-Class Hybrid

Side by side

Aston Martin DB12 V8Mercedes-Benz SL-Class Hybrid
$3,485 Your annual fuel cost $2,576
17 MPG Combined efficiency 23 MPG
15 MPG City 20 MPG
22 MPG Highway 28 MPG
72 cu ft Passenger volume 76 cu ft
9 cu ft Cargo volume 6 cu ft
507 g/mi Tailpipe CO₂ (g/mi) 388 g/mi
3/10 EPA fuel economy score 5/10
3/10 EPA greenhouse gas score 5/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
4.0L 8-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 9-speed automatic
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 Mercedes-Benz SL-Class Hybrid across model years

  • Aston Martin DB12 V8
  • Mercedes-Benz SL-Class Hybrid

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 Mercedes-Benz SL-Class Hybrid has more passenger space (76 vs. 72 cu ft); the Aston Martin DB12 V8 has more cargo space (9 vs. 6 cu ft).

Among 19 2027 subcompact cars, the Aston Martin DB12 V8 ranks 16th and the Mercedes-Benz SL-Class Hybrid 11th for lowest fuel cost.

The powertrains differ: the Aston Martin DB12 V8 is a conventional gas model, while the Mercedes-Benz SL-Class Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2027 Aston Martin DB12 V8 or the 2027 Mercedes-Benz SL-Class Hybrid?

Measured by cost to drive, the Mercedes-Benz SL-Class Hybrid. The Aston Martin DB12 V8 is rated 17 MPG combined and the Mercedes-Benz SL-Class Hybrid 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Aston Martin DB12 V8 vs. the Mercedes-Benz SL-Class Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Aston Martin DB12 V8 and $2,576 for the Mercedes-Benz SL-Class Hybrid.

Which has more cargo space?

The Aston Martin DB12 V8, with 9 cu ft of luggage volume versus 6 cu ft (EPA interior volume index).

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