2015 head-to-head · Subcompact Car
2015 Audi S5 vs Lexus RC F
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 Audi S5 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 $3,118 for the 2015 Lexus RC F (19 MPG). That's roughly $297 a year, or about $1,485 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 S5
- Lexus RC F
Side by side
| Audi S5 | Lexus RC F | |
|---|---|---|
| $2,821 | Your annual fuel cost | $3,118 |
| 21 MPG | Combined efficiency | 19 MPG |
| 18 MPG | City | 16 MPG |
| 28 MPG | Highway | 25 MPG |
| 84 cu ft | Passenger volume | 79 cu ft |
| 13 cu ft | Cargo volume | 10 cu ft |
| 413 g/mi | Tailpipe CO₂ (g/mi) | 465 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 supercharged | Engine / motor | 5.0L 8-cyl |
| 7-speed dual-clutch | Transmission | 8-speed automatic |
| 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 S5 vs Lexus RC F across model years
- Audi S5
- Lexus RC F
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 Audi S5 has more passenger space (84 vs. 79 cu ft); the Audi S5 has more cargo space (13 vs. 10 cu ft).
Among 36 2015 subcompact cars, the Audi S5 ranks 26th and the Lexus RC F 30th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Audi S5 or the 2015 Lexus RC F?
Measured by cost to drive, the Audi S5. The Audi S5 is rated 21 MPG combined and the Lexus RC F 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Audi S5 vs. the Lexus RC F per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,821 for the Audi S5 and $3,118 for the Lexus RC F.
Which has more cargo space?
The Audi S5, with 13 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
Audi S5 vs Lexus RC F in other years
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