2021 head-to-head · Subcompact Car

2021 Audi S5 vs Lexus LC

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
$3,118/ year to fuel
19 MPG

The 2021 Audi S5 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel (23 MPG), versus $3,118 for the 2021 Lexus LC (19 MPG). That's roughly $542 a year, or about $2,712 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 S5
  • Lexus LC

Side by side

Audi S5Lexus LC
$2,576 Your annual fuel cost $3,118
23 MPG Combined efficiency 19 MPG
20 MPG City 16 MPG
28 MPG Highway 25 MPG
84 cu ft Passenger volume 86 cu ft
11 cu ft Cargo volume 5 cu ft
380 g/mi Tailpipe CO₂ (g/mi) 473 g/mi
5/10 EPA fuel economy score 3/10
5/10 EPA greenhouse gas score 3/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
3.0L 6-cyl turbo Engine / motor 5.0L 8-cyl
8-speed automatic Transmission 10-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 S5 vs Lexus LC across model years

  • Audi S5
  • Lexus LC

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 S5 has more cargo space (11 vs. 5 cu ft).

Among 34 2021 subcompact cars, the Audi S5 ranks 23rd and the Lexus LC 29th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2021 Audi S5 or the 2021 Lexus LC?

Measured by cost to drive, the Audi S5. The Audi S5 is rated 23 MPG combined and the Lexus LC 19 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Audi S5 vs. the Lexus LC per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Audi S5 and $3,118 for the Lexus LC.

Which has more cargo space?

The Audi S5, with 11 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).

Audi S5 vs Lexus LC in other years

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