2015 head-to-head · Two-Seater

2015 MINI Roadster vs Nissan 370z

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
$2,043/ year to fuel
29 MPG
✓ Cheaper to run
$2,821/ year to fuel
21 MPG

The 2015 MINI Roadster is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,043 a year to fuel (29 MPG), versus $2,821 for the 2015 Nissan 370z (21 MPG). That's roughly $778 a year, or about $3,892 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

  • MINI Roadster
  • Nissan 370z

Side by side

MINI RoadsterNissan 370z
$2,043 Your annual fuel cost $2,821
29 MPG Combined efficiency 21 MPG
26 MPG City 19 MPG
33 MPG Highway 26 MPG
— Passenger volume 52 cu ft
— Cargo volume 7 cu ft
304 g/mi Tailpipe CO₂ (g/mi) 418 g/mi
7/10 EPA fuel economy score 5/10
7/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
1.6L 4-cyl Engine / motor 3.7L 6-cyl
6-speed automatic Transmission 7-speed automatic
FWD 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.

MINI Roadster vs Nissan 370z across model years

  • MINI Roadster
  • Nissan 370z

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 33 2015 two-seaters, the MINI Roadster ranks 5th and the Nissan 370z 18th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 MINI Roadster or the 2015 Nissan 370z?

Measured by cost to drive, the MINI Roadster. The MINI Roadster is rated 29 MPG combined and the Nissan 370z 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 MINI Roadster vs. the Nissan 370z per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,043 for the MINI Roadster and $2,821 for the Nissan 370z.

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