2015 head-to-head · Subcompact Car
2015 Lexus RC F 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.
RWD · 5.0L 8-cyl · 8-speed automatic · 19 MPG
The 2015 Porsche 911 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel (23 MPG), versus $3,118 for the 2015 Lexus RC F (19 MPG). That's roughly $542 a year, or about $2,712 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
- Lexus RC F
- Porsche 911
Side by side
| Lexus RC F | Porsche 911 | |
|---|---|---|
| $3,118 | Your annual fuel cost | $2,576 |
| 19 MPG | Combined efficiency | 23 MPG |
| 16 MPG | City | 20 MPG |
| 25 MPG | Highway | 28 MPG |
| 79 cu ft | Passenger volume | 70 cu ft |
| 10 cu ft | Cargo volume | 5 cu ft |
| 465 g/mi | Tailpipe CO₂ (g/mi) | 386 g/mi |
| 4/10 | EPA fuel economy score | 5/10 |
| 4/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 5.0L 8-cyl | Engine / motor | 3.4L 6-cyl |
| 8-speed automatic | 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.
Lexus RC F vs Porsche 911 across model years
- Lexus RC F
- 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 Lexus RC F has more passenger space (79 vs. 70 cu ft); the Lexus RC F has more cargo space (10 vs. 5 cu ft).
Among 36 2015 subcompact cars, the Lexus RC F ranks 30th and the Porsche 911 23rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Lexus RC F or the 2015 Porsche 911?
Measured by cost to drive, the Porsche 911. The Lexus RC F is rated 19 MPG combined and the Porsche 911 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Lexus RC F vs. the Porsche 911 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,118 for the Lexus RC F and $2,576 for the Porsche 911.
Which has more cargo space?
The Lexus RC F, with 10 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).
Lexus RC F vs Porsche 911 in other years
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