2015 head-to-head · Midsize Car

2015 Audi A6 vs Lexus GS 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
$2,116/ year to fuel
28 MPG
✓ Cheaper to run
$1,911/ year to fuel
31 MPG

RWD · 3.5L 6-cyl · CVT · 31 MPG

The 2015 Lexus GS Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,911 a year to fuel (31 MPG), versus $2,116 for the 2015 Audi A6 (28 MPG). That's roughly $205 a year, or about $1,024 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 A6
  • Lexus GS Hybrid

Side by side

Audi A6Lexus GS Hybrid
$2,116 Your annual fuel cost $1,911
28 MPG Combined efficiency 31 MPG
25 MPG City 29 MPG
33 MPG Highway 34 MPG
98 cu ft Passenger volume 99 cu ft
16 cu ft Cargo volume 13 cu ft
320 g/mi Tailpipe CO₂ (g/mi) 283 g/mi
7/10 EPA fuel economy score 8/10
7/10 EPA greenhouse gas score 8/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.5L 6-cyl
CVT Transmission CVT
FWD 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 A6 vs Lexus GS Hybrid across model years

  • Audi A6
  • Lexus GS 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 Audi A6 has more cargo space (16 vs. 13 cu ft).

Among 69 2015 midsize cars, the Audi A6 ranks 45th and the Lexus GS Hybrid 36th for lowest fuel cost.

The powertrains differ: the Audi A6 is a conventional gas model, while the Lexus GS Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2015 Audi A6 or the 2015 Lexus GS Hybrid?

Measured by cost to drive, the Lexus GS Hybrid. The Audi A6 is rated 28 MPG combined and the Lexus GS Hybrid 31 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Audi A6 vs. the Lexus GS Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,116 for the Audi A6 and $1,911 for the Lexus GS Hybrid.

Which has more cargo space?

The Audi A6, with 16 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

Audi A6 vs Lexus GS Hybrid in other years

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