2023 head-to-head · Two-Seater

2023 Audi R8 vs Porsche 718

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
✓ Cheaper to run
$2,469/ year to fuel
24 MPG

The 2023 Porsche 718 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel (24 MPG), versus $3,485 for the 2023 Audi R8 (17 MPG). That's roughly $1,017 a year, or about $5,083 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

  • Audi R8
  • Porsche 718

Side by side

Audi R8Porsche 718
$3,485 Your annual fuel cost $2,469
17 MPG Combined efficiency 24 MPG
14 MPG City 21 MPG
23 MPG Highway 27 MPG
515 g/mi Tailpipe CO₂ (g/mi) 375 g/mi
3/10 EPA fuel economy score 5/10
3/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
5.2L 10-cyl Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 7-speed dual-clutch
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.

Audi R8 vs Porsche 718 across model years

  • Audi R8
  • Porsche 718

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 27 2023 two-seaters, the Audi R8 ranks 17th and the Porsche 718 6th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2023 Audi R8 or the 2023 Porsche 718?

Measured by cost to drive, the Porsche 718. The Audi R8 is rated 17 MPG combined and the Porsche 718 24 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 Audi R8 vs. the Porsche 718 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Audi R8 and $2,469 for the Porsche 718.

Audi R8 vs Porsche 718 in other years

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