2021 head-to-head · Subcompact Car
2021 Audi A5 Hybrid vs BMW 4 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.
RWD · 3.0L 6-cyl turbo · 8-speed automatic · 26 MPG
The 2021 Audi A5 Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel (28 MPG), versus $2,279 for the 2021 BMW 4 Series Hybrid (26 MPG). That's roughly $163 a year, or about $814 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 A5 Hybrid
- BMW 4 Series Hybrid
Side by side
| Audi A5 Hybrid | BMW 4 Series Hybrid | |
|---|---|---|
| $2,116 | Your annual fuel cost | $2,279 |
| 28 MPG | Combined efficiency | 26 MPG |
| 25 MPG | City | 23 MPG |
| 34 MPG | Highway | 31 MPG |
| 91 cu ft | Passenger volume | 84 cu ft |
| 22 cu ft | Cargo volume | 9 cu ft |
| 311 g/mi | Tailpipe CO₂ (g/mi) | 338 g/mi |
| 6/10 | EPA fuel economy score | 5/10 |
| 6/10 | EPA greenhouse gas score | 5/10 |
| Hybrid | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.0L 6-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 A5 Hybrid vs BMW 4 Series Hybrid across model years
- Audi A5 Hybrid
- BMW 4 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
Per EPA interior volume figures, the Audi A5 Hybrid has more passenger space (91 vs. 84 cu ft); the Audi A5 Hybrid has more cargo space (22 vs. 9 cu ft).
Among 34 2021 subcompact cars, the Audi A5 Hybrid ranks 14th and the BMW 4 Series Hybrid 19th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Audi A5 Hybrid or the 2021 BMW 4 Series Hybrid?
Measured by cost to drive, the Audi A5 Hybrid. The Audi A5 Hybrid is rated 28 MPG combined and the BMW 4 Series Hybrid 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Audi A5 Hybrid vs. the BMW 4 Series Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,116 for the Audi A5 Hybrid and $2,279 for the BMW 4 Series Hybrid.
Which has more cargo space?
The Audi A5 Hybrid, with 22 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
Audi A5 Hybrid vs BMW 4 Series Hybrid in other years
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