2018 head-to-head · Subcompact Car
2018 Audi RS 5 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.
AWD · 2.9L 6-cyl turbo · 8-speed dual-clutch · 21 MPG
The 2018 Lexus RC is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,821 for the 2018 Audi RS 5 (21 MPG). That's roughly $543 a year, or about $2,713 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 RS 5
- Lexus RC
Side by side
| Audi RS 5 | Lexus RC | |
|---|---|---|
| $2,821 | Your annual fuel cost | $2,279 |
| 21 MPG | Combined efficiency | 26 MPG |
| 18 MPG | City | 22 MPG |
| 26 MPG | Highway | 32 MPG |
| 84 cu ft | Passenger volume | 84 cu ft |
| 13 cu ft | Cargo volume | 10 cu ft |
| 419 g/mi | Tailpipe CO₂ (g/mi) | 345 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 |
| 2.9L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-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 RS 5 vs Lexus RC across model years
- Audi RS 5
- 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 RS 5 has more cargo space (13 vs. 10 cu ft).
Among 44 2018 subcompact cars, the Audi RS 5 ranks 32nd and the Lexus RC 21st for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Audi RS 5 or the 2018 Lexus RC?
Measured by cost to drive, the Lexus RC. The Audi RS 5 is rated 21 MPG combined and the Lexus RC 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Audi RS 5 vs. the Lexus RC per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,821 for the Audi RS 5 and $2,279 for the Lexus RC.
Which has more cargo space?
The Audi RS 5, with 13 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
Audi RS 5 vs Lexus RC in other years
More 2018 comparisons
Audi RS 5 vs…
Or compare the 2018 Audi RS 5 with anything else: