2022 head-to-head · Subcompact Car

2022 BMW 8 Series 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.

Swap sides
✓ Cheaper to run
$2,370/ year to fuel
25 MPG
✓ Cheaper to run
$2,821/ year to fuel
21 MPG

The 2022 BMW 8 Series 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 $2,821 for the 2022 Porsche 911 (21 MPG). That's roughly $451 a year, or about $2,257 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

  • BMW 8 Series
  • Porsche 911

Side by side

BMW 8 SeriesPorsche 911
$2,370 Your annual fuel cost $2,821
25 MPG Combined efficiency 21 MPG
23 MPG City 18 MPG
30 MPG Highway 25 MPG
81 cu ft Passenger volume 70 cu ft
15 cu ft Cargo volume 5 cu ft
347 g/mi Tailpipe CO₂ (g/mi) 425 g/mi
5/10 EPA fuel economy score 4/10
5/10 EPA greenhouse gas score 4/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
3.0L 6-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.

BMW 8 Series vs Porsche 911 across model years

  • BMW 8 Series
  • 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 BMW 8 Series has more passenger space (81 vs. 70 cu ft); the BMW 8 Series has more cargo space (15 vs. 5 cu ft).

Among 34 2022 subcompact cars, the BMW 8 Series ranks 17th and the Porsche 911 26th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2022 BMW 8 Series or the 2022 Porsche 911?

Measured by cost to drive, the BMW 8 Series. The BMW 8 Series is rated 25 MPG combined and the Porsche 911 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2022 BMW 8 Series vs. the Porsche 911 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the BMW 8 Series and $2,821 for the Porsche 911.

Which has more cargo space?

The BMW 8 Series, with 15 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).

BMW 8 Series vs Porsche 911 in other years

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