2026 head-to-head · Compact Car
2026 BMW i4 vs BMW i5
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity, the most efficient 2026 BMW i4 (118 MPGe) costs about $769 a year to fuel and the 2026 BMW i5 (110 MPGe) about $826.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW i4
- BMW i5
Side by side
| BMW i4 | BMW i5 | |
|---|---|---|
| $769 | Your annual fuel cost | $826 |
| 118 MPGe | Combined efficiency | 110 MPGe |
| 121 MPGe | City | 114 MPGe |
| 115 MPGe | Highway | 106 MPGe |
| 28.5 kWh | Electricity use (kWh/100 mi) | 30.6 kWh |
| 333 mi | Driving range | 310 mi |
| 90 cu ft | Passenger volume | 98 cu ft |
| 10 cu ft | Cargo volume | 11 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 9 hrs | Charge time at 240V | 8 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (250 kW) | Engine / motor | Electric motor (250 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | 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.
BMW i4 vs BMW i5 across model years
- BMW i4
- BMW i5
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
The BMW i4 goes farther between stops: about 333 miles on a charge, compared with 310 miles for the BMW i5.
Per EPA interior volume figures, the BMW i5 has more passenger space (98 vs. 90 cu ft); the BMW i5 has more cargo space (11 vs. 10 cu ft).
Among 21 2026 compact cars, the BMW i4 ranks 2nd and the BMW i5 3rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 BMW i4 or the 2026 BMW i5?
Measured by cost to drive, the BMW i4. The BMW i4 is rated 118 MPGe combined and the BMW i5 110 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 BMW i4 vs. the BMW i5 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $769 for the BMW i4 and $826 for the BMW i5.
Which has more range?
The BMW i4: about 333 miles versus 310 miles.
Which has more cargo space?
The BMW i5, with 11 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
BMW i4 vs BMW i5 in other years
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