2025 head-to-head · Midsize Car
2025 Audi A6 Hybrid vs BMW 5 Series Plug-in 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.
AWD · 3.0L 6-cyl turbo · 8-speed automatic · 67 MPGe + 24 MPG
The 2025 BMW 5 Series Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $1,768 a year to fuel (67 MPGe + 24 MPG), versus $2,279 for the 2025 Audi A6 Hybrid (26 MPG). That's roughly $510 a year, or about $2,552 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 Plug-in Hybrid
Side by side
| Audi A6 Hybrid | BMW 5 Series Plug-in Hybrid | |
|---|---|---|
| $2,279 | Your annual fuel cost | $1,768 |
| 26 MPG | Combined efficiency | 67 MPGe + 24 MPG |
| 24 MPG | City | 64 MPGe / 23 MPG |
| 31 MPG | Highway | 70 MPGe / 26 MPG |
| — | Electricity use (kWh/100 mi) | 50 kWh |
| — | Driving range | 420 mi |
| — | All-electric range | 34 mi |
| 99 cu ft | Passenger volume | 98 cu ft |
| 14 cu ft | Cargo volume | 14 cu ft |
| 339 g/mi | Tailpipe CO₂ (g/mi) | 135 g/mi |
| 5/10 | EPA fuel economy score | 7/10 |
| 5/10 | EPA greenhouse gas score | 9/10 |
| — | Charge time at 240V | 4 hrs |
| Hybrid | Powertrain | Plug-in hybrid |
| Premium gasoline | Fuel | Premium gas + electricity |
| 2.0L 4-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 7-speed dual-clutch | Transmission | 8-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 A6 Hybrid vs BMW 5 Series Plug-in Hybrid across model years
- Audi A6 Hybrid
- BMW 5 Series Plug-in 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 Plug-in Hybrid 22nd for lowest fuel cost.
The powertrains differ: the Audi A6 Hybrid is a full hybrid, while the BMW 5 Series Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi A6 Hybrid or the 2025 BMW 5 Series Plug-in Hybrid?
Measured by cost to drive, the BMW 5 Series Plug-in Hybrid. The Audi A6 Hybrid is rated 26 MPG combined and the BMW 5 Series Plug-in Hybrid 67 MPGe + 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi A6 Hybrid vs. the BMW 5 Series Plug-in Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,279 for the Audi A6 Hybrid and $1,768 for the BMW 5 Series Plug-in Hybrid.
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