2021 head-to-head · Subcompact Car

2021 Lexus RC vs Mercedes-Benz C-Class

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
$2,370/ year to fuel
25 MPG
✓ Cheaper to run
$2,194/ year to fuel
27 MPG

The 2021 Mercedes-Benz C-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,370 for the 2021 Lexus RC (25 MPG). That's roughly $176 a year, or about $878 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
  • Mercedes-Benz C-Class

Side by side

Lexus RCMercedes-Benz C-Class
$2,370 Your annual fuel cost $2,194
25 MPG Combined efficiency 27 MPG
21 MPG City 24 MPG
31 MPG Highway 33 MPG
84 cu ft Passenger volume 79 cu ft
10 cu ft Cargo volume 10 cu ft
357 g/mi Tailpipe CO₂ (g/mi) 330 g/mi
5/10 EPA fuel economy score 6/10
5/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 9-speed automatic
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 vs Mercedes-Benz C-Class across model years

  • Lexus RC
  • Mercedes-Benz C-Class

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 has more passenger space (84 vs. 79 cu ft).

Among 34 2021 subcompact cars, the Lexus RC ranks 21st and the Mercedes-Benz C-Class 16th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2021 Lexus RC or the 2021 Mercedes-Benz C-Class?

Measured by cost to drive, the Mercedes-Benz C-Class. The Lexus RC is rated 25 MPG combined and the Mercedes-Benz C-Class 27 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Lexus RC vs. the Mercedes-Benz C-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Lexus RC and $2,194 for the Mercedes-Benz C-Class.

Lexus RC vs Mercedes-Benz C-Class in other years

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