2025 head-to-head · Midsize Car

2025 Audi A6 Hybrid vs BMW 5 Series 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
$2,279/ year to fuel
26 MPG
✓ Cheaper to run
$1,911/ year to fuel
31 MPG

The 2025 BMW 5 Series 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 $2,279 for the 2025 Audi A6 Hybrid (26 MPG). That's roughly $368 a year, or about $1,838 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 Hybrid
  • BMW 5 Series Hybrid

Side by side

Audi A6 HybridBMW 5 Series Hybrid
$2,279 Your annual fuel cost $1,911
26 MPG Combined efficiency 31 MPG
24 MPG City 28 MPG
31 MPG Highway 35 MPG
99 cu ft Passenger volume 98 cu ft
14 cu ft Cargo volume 14 cu ft
339 g/mi Tailpipe CO₂ (g/mi) 285 g/mi
5/10 EPA fuel economy score 6/10
5/10 EPA greenhouse gas score 6/10
Hybrid Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 8-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 A6 Hybrid vs BMW 5 Series Hybrid across model years

  • Audi A6 Hybrid
  • BMW 5 Series 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

Among 42 2025 midsize cars, the Audi A6 Hybrid ranks 29th and the BMW 5 Series Hybrid 24th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2025 Audi A6 Hybrid or the 2025 BMW 5 Series Hybrid?

Measured by cost to drive, the BMW 5 Series Hybrid. The Audi A6 Hybrid is rated 26 MPG combined and the BMW 5 Series Hybrid 31 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2025 Audi A6 Hybrid vs. the BMW 5 Series Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the Audi A6 Hybrid and $1,911 for the BMW 5 Series Hybrid.

Audi A6 Hybrid vs BMW 5 Series Hybrid in other years

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