2015 head-to-head · Subcompact Car

2015 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.

Swap sides
✓ Cheaper to run
$3,292/ year to fuel
18 MPG
✓ Cheaper to run
$2,693/ year to fuel
22 MPG

The 2015 Lexus RC is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $3,292 for the 2015 Audi RS 5 (18 MPG). That's roughly $598 a year, or about $2,992 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 5Lexus RC
$3,292 Your annual fuel cost $2,693
18 MPG Combined efficiency 22 MPG
16 MPG City 19 MPG
23 MPG Highway 28 MPG
84 cu ft Passenger volume 84 cu ft
13 cu ft Cargo volume 10 cu ft
480 g/mi Tailpipe CO₂ (g/mi) 401 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
4.2L 8-cyl Engine / motor 3.5L 6-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 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 36 2015 subcompact cars, the Audi RS 5 ranks 31st and the Lexus RC 25th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Audi RS 5 or the 2015 Lexus RC?

Measured by cost to drive, the Lexus RC. The Audi RS 5 is rated 18 MPG combined and the Lexus RC 22 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Audi RS 5 vs. the Lexus RC per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,292 for the Audi RS 5 and $2,693 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

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