2025 head-to-head · Midsize Car
2025 Audi S5 vs BMW M 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.
The 2025 Audi S5 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 $2,576 a year to fuel (23 MPG), versus $2,760 for the 2025 BMW M Plug-in Hybrid (50 MPGe + 14 MPG). That's roughly $183 a year, or about $917 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
- BMW M Plug-in Hybrid
Side by side
| Audi S5 | BMW M Plug-in Hybrid | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,760 |
| 23 MPG | Combined efficiency | 50 MPGe + 14 MPG |
| 20 MPG | City | 45 MPGe / 12 MPG |
| 29 MPG | Highway | 57 MPGe / 17 MPG |
| — | Electricity use (kWh/100 mi) | 59 kWh |
| — | Driving range | 270 mi |
| — | All-electric range | 27 mi |
| 91 cu ft | Passenger volume | 98 cu ft |
| 22 cu ft | Cargo volume | 13 cu ft |
| 384 g/mi | Tailpipe CO₂ (g/mi) | 285 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| — | Charge time at 240V | 4 hrs |
| Gas | Powertrain | Plug-in hybrid |
| Premium gasoline | Fuel | Premium gas + electricity |
| 3.0L 6-cyl turbo | Engine / motor | 4.4L 8-cyl turbo |
| 8-speed automatic | 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 S5 vs BMW M Plug-in Hybrid across model years
- Audi S5
- BMW M 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
Per EPA interior volume figures, the BMW M Plug-in Hybrid has more passenger space (98 vs. 91 cu ft); the Audi S5 has more cargo space (22 vs. 13 cu ft).
Among 42 2025 midsize cars, the Audi S5 ranks 35th and the BMW M Plug-in Hybrid 41st for lowest fuel cost.
The powertrains differ: the Audi S5 is a conventional gas model, while the BMW M Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi S5 or the 2025 BMW M Plug-in Hybrid?
Measured by cost to drive, the Audi S5. The Audi S5 is rated 23 MPG combined and the BMW M Plug-in Hybrid 50 MPGe + 14 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi S5 vs. the BMW M Plug-in Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,576 for the Audi S5 and $2,760 for the BMW M Plug-in Hybrid.
Which has more cargo space?
The Audi S5, with 22 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Audi S5 vs BMW M Plug-in Hybrid in other years
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