DecodedCars2026 BMW Z4
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2026 models.
- Class
- Two Seaters
- Body styles
- M40i 2dr Convertible, Sdrive30i 2dr Convertible
- Engines
- 2.0L 4-cyl turbo, 3.0L 6-cyl turbo
- Drivetrain
- Rear-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 28 combined · 25 city / 33 hwy
- Length
- 170.9 in
- Curb weight
- 3,296–3,464 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 28 MPG combined — 50% better than the average 2026 two seaters (18.7 MPG).
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data — not a review. How we calculate this →
Overview
The 2026 BMW Z4 is a two seaters offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo) and rear-wheel drive.
It measures about 171 inches long and 73 inches wide on a 97-inch wheelbase, with a curb weight of roughly 3,464 lb (M40i 2dr Convertible).
EPA rates its most efficient version at 28 MPG combined (25 city / 33 highway), 50% better than the 2026 two seaters average of 18.7 MPG, for an estimated $2,950 a year in fuel.
There are no recalls or owner complaints on file with NHTSA for this model year.
What changed for 2026
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2025 Z4 — a carry-over year in the data.
Compared with 2025; trim, feature and price changes aren't covered. See the 2025 Z4 →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| M40i 2dr Convertible | 170.9 in | 73.2 in | 51.6 in | 97.2 in | 63.8 / 63.4 in | 3,464 lb | 51/49 |
| Sdrive30i 2dr Convertible | 170.9 in | 73.2 in | 51.6 in | 97.2 in | 63.8 / 63.4 in | 3,296 lb | 50/50 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| Z4 sDrive30i | 2.0L 4-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 25 / 33 / 28 | +50% | $2,950 | 312 |
| Z4 M40i | 3.0L 6-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 23 / 29 / 25 | +34% | $3,300 | 346 |
| Z4 M40i | 3.0L 6-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 19 / 26 / 22 | +18% | $3,750 | 407 |
EPA estimates; "vs. class" is combined MPG against the 2026 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2026 BMW Z4.
Similar 2026 two seaterss
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2026 BMW Z4 (this car) | 28 MPG | Not rated | 0 |
| 2026 Porsche 911 | 21 MPG | Not rated | 0 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2026 BMW Z4.
Check your VIN for open recalls at NHTSA ↗Not every 2026 BMW Z4 is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2026 BMW Z4 in NHTSA's database since 2015.
Other Z4 years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2025 Z4 | 28 | 170.9 in | Not rated | 0 | 1 |
| 2024 Z4 | 28 | 170.9 in | Not rated | 0 | 1 |
| 2023 Z4 | 28 | 170.9 in | Not rated | 2 | 0 |
| 2022 Z4 | 28 | 170.9 in | Not rated | 3 | 1 |
| 2021 Z4 | 28 | 170.9 in | Not rated | 5 | 1 |
| 2020 Z4 | 27 | 170.9 in | Not rated | 6 | 5 |
| 2019 Z4 | 28 | 170.9 in | Not rated | 6 | 5 |
| 2016 Z4 | 26 | 166.9 in | Not rated | 1 | 4 |
| 2015 Z4 | 26 | 166.9 in | Not rated | 1 | 5 |
| 2014 Z4 | 26 | 166.9 in | Not rated | 3 | 7 |
| 2013 Z4 | 26 | 166.9 in | Not rated | 3 | 7 |
| 2012 Z4 | 27 | 166.9 in | Not rated | 4 | 5 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or BMW. How we calculate this →