2021 head-to-head · Compact Car

2021 Lexus IS vs Mercedes-Benz AMG GT 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
$2,370/ year to fuel
25 MPG
✓ Cheaper to run
$2,693/ year to fuel
22 MPG

4WD · 3.0L 6-cyl · 9-speed automatic · 22 MPG

The 2021 Lexus IS is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $2,693 for the 2021 Mercedes-Benz AMG GT Hybrid (22 MPG). That's roughly $323 a year, or about $1,616 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 IS
  • Mercedes-Benz AMG GT Hybrid

Side by side

Lexus ISMercedes-Benz AMG GT Hybrid
$2,370 Your annual fuel cost $2,693
25 MPG Combined efficiency 22 MPG
21 MPG City 20 MPG
31 MPG Highway 25 MPG
90 cu ft Passenger volume 96 cu ft
11 cu ft Cargo volume 13 cu ft
357 g/mi Tailpipe CO₂ (g/mi) 410 g/mi
5/10 EPA fuel economy score 4/10
5/10 EPA greenhouse gas score 4/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.0L 6-cyl
8-speed automatic Transmission 9-speed automatic
RWD Drivetrain 4WD

✓ 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 IS vs Mercedes-Benz AMG GT Hybrid across model years

  • Lexus IS
  • Mercedes-Benz AMG GT 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 AMG GT Hybrid has more passenger space (96 vs. 90 cu ft); the Mercedes-Benz AMG GT Hybrid has more cargo space (13 vs. 11 cu ft).

Among 37 2021 compact cars, the Lexus IS ranks 29th and the Mercedes-Benz AMG GT Hybrid 34th for lowest fuel cost.

The powertrains differ: the Lexus IS is a conventional gas model, while the Mercedes-Benz AMG GT Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2021 Lexus IS or the 2021 Mercedes-Benz AMG GT Hybrid?

Measured by cost to drive, the Lexus IS. The Lexus IS is rated 25 MPG combined and the Mercedes-Benz AMG GT Hybrid 22 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Lexus IS vs. the Mercedes-Benz AMG GT Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Lexus IS and $2,693 for the Mercedes-Benz AMG GT Hybrid.

Which has more cargo space?

The Mercedes-Benz AMG GT Hybrid, with 13 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Lexus IS vs Mercedes-Benz AMG GT Hybrid in other years

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