2021 head-to-head · Subcompact Car
2021 Audi S5 vs Lexus RC
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2021 Lexus RC 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 $2,576 for the 2021 Audi S5 (23 MPG). That's roughly $206 a year, or about $1,030 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
Side by side
| Audi S5 | Lexus RC | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,370 |
| 23 MPG | Combined efficiency | 25 MPG |
| 20 MPG | City | 21 MPG |
| 28 MPG | Highway | 31 MPG |
| 84 cu ft | Passenger volume | 84 cu ft |
| 11 cu ft | Cargo volume | 10 cu ft |
| 380 g/mi | Tailpipe CO₂ (g/mi) | 357 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | 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 across model years
- Audi S5
- Lexus RC
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 cargo space (11 vs. 10 cu ft).
Among 34 2021 subcompact cars, the Audi S5 ranks 23rd and the Lexus RC 21st for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Audi S5 or the 2021 Lexus RC?
Measured by cost to drive, the Lexus RC. The Audi S5 is rated 23 MPG combined and the Lexus RC 25 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Audi S5 vs. the Lexus RC per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Audi S5 and $2,370 for the Lexus RC.
Which has more cargo space?
The Audi S5, with 11 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
Audi S5 vs Lexus RC in other years
More 2021 comparisons
Audi S5 vs…
Or compare the 2021 Audi S5 with anything else: