2017 head-to-head · Two-Seater

2017 Audi R8 Spyder vs Porsche Boxster

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

AWD · 5.2L 10-cyl · 7-speed dual-clutch · 17 MPG

✓ Cheaper to run
$2,370/ year to fuel
25 MPG

The 2017 Porsche Boxster is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $3,485 for the 2017 Audi R8 Spyder (17 MPG). That's roughly $1,115 a year, or about $5,576 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 Spyder
  • Porsche Boxster

Side by side

Audi R8 SpyderPorsche Boxster
$3,485 Your annual fuel cost $2,370
17 MPG Combined efficiency 25 MPG
14 MPG City 22 MPG
22 MPG Highway 29 MPG
519 g/mi Tailpipe CO₂ (g/mi) 353 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
AWD 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 Spyder vs Porsche Boxster across model years

  • Audi R8 Spyder
  • Porsche Boxster

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 29 2017 two-seaters, the Audi R8 Spyder ranks 21st and the Porsche Boxster 8th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2017 Audi R8 Spyder or the 2017 Porsche Boxster?

Measured by cost to drive, the Porsche Boxster. The Audi R8 Spyder is rated 17 MPG combined and the Porsche Boxster 25 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2017 Audi R8 Spyder vs. the Porsche Boxster per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Audi R8 Spyder and $2,370 for the Porsche Boxster.

Audi R8 Spyder vs Porsche Boxster in other years

More 2017 comparisons

Or compare the 2017 Audi R8 Spyder with anything else:

Keep exploring