2025 head-to-head · Subcompact Car
2025 Audi RS e-tron 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.
AWD · Electric motors (667 kW) · Single-speed · 84 MPGe · 278 mi
The 2025 Audi RS e-tron is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,085 a year to fuel (84 MPGe), versus $1,911 for the 2025 BMW 4 Series Hybrid (31 MPG). That's roughly $826 a year, or about $4,129 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 RS e-tron
- BMW 4 Series Hybrid
Side by side
| Audi RS e-tron | BMW 4 Series Hybrid | |
|---|---|---|
| $1,085 | Your annual fuel cost | $1,911 |
| 84 MPGe | Combined efficiency | 31 MPG |
| 85 MPGe | City | 28 MPG |
| 82 MPGe | Highway | 36 MPG |
| 40.2 kWh | Electricity use (kWh/100 mi) | — |
| 278 mi | Driving range | — |
| 89 cu ft | Passenger volume | 86 cu ft |
| 11 cu ft | Cargo volume | 12 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 285 g/mi |
| 9/10 | EPA fuel economy score | 6/10 |
| 10/10 | EPA greenhouse gas score | 6/10 |
| 15.5 hrs | Charge time at 240V | — |
| Electric | Powertrain | Hybrid |
| Electricity | Fuel | Premium gasoline |
| Electric motors (667 kW) | Engine / motor | 2.0L 4-cyl turbo |
| Single-speed | 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 RS e-tron vs BMW 4 Series Hybrid across model years
- Audi RS e-tron
- 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 RS e-tron has more passenger space (89 vs. 86 cu ft); the BMW 4 Series Hybrid has more cargo space (12 vs. 11 cu ft).
Among 30 2025 subcompact cars, the Audi RS e-tron ranks 3rd and the BMW 4 Series Hybrid 8th for lowest fuel cost.
Because the Audi RS e-tron is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the BMW 4 Series Hybrid; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi RS e-tron or the 2025 BMW 4 Series Hybrid?
Measured by cost to drive, the Audi RS e-tron. The Audi RS e-tron is rated 84 MPGe combined and the BMW 4 Series Hybrid 31 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi RS e-tron vs. the BMW 4 Series Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,085 for the Audi RS e-tron and $1,911 for the BMW 4 Series Hybrid.
Which has more cargo space?
The BMW 4 Series Hybrid, with 12 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
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