2020 head-to-head · Subcompact Car

2020 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
$2,469/ year to fuel
24 MPG
✓ Cheaper to run
$2,116/ year to fuel
28 MPG

The 2020 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 $2,116 a year to fuel (28 MPG), versus $2,469 for the 2020 Lexus RC (24 MPG). That's roughly $353 a year, or about $1,763 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
$2,469 Your annual fuel cost $2,116
24 MPG Combined efficiency 28 MPG
21 MPG City 24 MPG
30 MPG Highway 35 MPG
84 cu ft Passenger volume 90 cu ft
10 cu ft Cargo volume 13 cu ft
363 g/mi Tailpipe CO₂ (g/mi) 315 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 Mercedes-Benz C-Class has more passenger space (90 vs. 84 cu ft); the Mercedes-Benz C-Class has more cargo space (13 vs. 10 cu ft).

Among 39 2020 subcompact cars, the Lexus RC ranks 24th and the Mercedes-Benz C-Class 13th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 Lexus RC or the 2020 Mercedes-Benz C-Class?

Measured by cost to drive, the Mercedes-Benz C-Class. The Lexus RC is rated 24 MPG combined and the Mercedes-Benz C-Class 28 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Lexus RC vs. the Mercedes-Benz C-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Lexus RC and $2,116 for the Mercedes-Benz C-Class.

Which has more cargo space?

The Mercedes-Benz C-Class, with 13 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

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

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