2024 head-to-head · Subcompact Car

2024 Maserati Grancabrio 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
$2,962/ year to fuel
20 MPG

AWD · 3.0L 6-cyl turbo · 8-speed automatic · 20 MPG

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

The 2024 Porsche 911 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel (21 MPG), versus $2,962 for the 2024 Maserati Grancabrio (20 MPG). That's roughly $141 a year, or about $705 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

  • Maserati Grancabrio
  • Porsche 911

Side by side

Maserati GrancabrioPorsche 911
$2,962 Your annual fuel cost $2,821
20 MPG Combined efficiency 21 MPG
17 MPG City 18 MPG
26 MPG Highway 25 MPG
89 cu ft Passenger volume 70 cu ft
7 cu ft Cargo volume 5 cu ft
430 g/mi Tailpipe CO₂ (g/mi) 425 g/mi
4/10 EPA fuel economy score 4/10
4/10 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
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.

Maserati Grancabrio vs Porsche 911 across model years

  • Maserati Grancabrio
  • 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 Maserati Grancabrio has more passenger space (89 vs. 70 cu ft); the Maserati Grancabrio has more cargo space (7 vs. 5 cu ft).

Among 33 2024 subcompact cars, the Maserati Grancabrio ranks 26th and the Porsche 911 24th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2024 Maserati Grancabrio or the 2024 Porsche 911?

Measured by cost to drive, the Porsche 911. The Maserati Grancabrio is rated 20 MPG combined and the Porsche 911 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2024 Maserati Grancabrio vs. the Porsche 911 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,962 for the Maserati Grancabrio and $2,821 for the Porsche 911.

Which has more cargo space?

The Maserati Grancabrio, with 7 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).

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