2023 head-to-head · Subcompact Car

2023 Audi RS vs Mercedes-Benz E-Class Hybrid

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
$2,576/ year to fuel
23 MPG
✓ Cheaper to run
$2,279/ year to fuel
26 MPG

The 2023 Mercedes-Benz E-Class Hybrid 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 $2,576 for the 2023 Audi RS (23 MPG). That's roughly $297 a year, or about $1,486 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
  • Mercedes-Benz E-Class Hybrid

Side by side

Audi RSMercedes-Benz E-Class Hybrid
$2,576 Your annual fuel cost $2,279
23 MPG Combined efficiency 26 MPG
20 MPG City 23 MPG
29 MPG Highway 31 MPG
87 cu ft Passenger volume 98 cu ft
8 cu ft Cargo volume 13 cu ft
383 g/mi Tailpipe CO₂ (g/mi) 343 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.5L 5-cyl turbo Engine / motor 3.0L 6-cyl turbo
7-speed dual-clutch Transmission 9-speed automatic
AWD Drivetrain AWD

✓ 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 vs Mercedes-Benz E-Class Hybrid across model years

  • Audi RS
  • Mercedes-Benz E-Class Hybrid

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 E-Class Hybrid has more passenger space (98 vs. 87 cu ft); the Mercedes-Benz E-Class Hybrid has more cargo space (13 vs. 8 cu ft).

Among 31 2023 subcompact cars, the Audi RS ranks 21st and the Mercedes-Benz E-Class Hybrid 12th for lowest fuel cost.

The powertrains differ: the Audi RS is a conventional gas model, while the Mercedes-Benz E-Class Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2023 Audi RS or the 2023 Mercedes-Benz E-Class Hybrid?

Measured by cost to drive, the Mercedes-Benz E-Class Hybrid. The Audi RS is rated 23 MPG combined and the Mercedes-Benz E-Class Hybrid 26 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 Audi RS vs. the Mercedes-Benz E-Class Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Audi RS and $2,279 for the Mercedes-Benz E-Class Hybrid.

Which has more cargo space?

The Mercedes-Benz E-Class Hybrid, with 13 cu ft of luggage volume versus 8 cu ft (EPA interior volume index).

Audi RS vs Mercedes-Benz E-Class Hybrid in other years

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