DecodedCars2027 BMW 4 Series
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2027 models.
- Class
- Subcompact Cars
- Engines
- 2.0L 4-cyl turbo, 3.0L 6-cyl turbo
- Drivetrain
- Rear-Wheel Drive, All-Wheel Drive
- Fuel
- Hybrid
- MPG (best)
- 31 combined · 28 city / 36 hwy
- Length
- –
- Curb weight
- –
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 31 MPG combined — 21% better than the average 2027 subcompact car (25.7 MPG).
- Hybrid version availableOffered as a hybrid as well as gas.
- AWD / 4WD available
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 5 similar 2027 models — not a review. How we calculate this →
Overview
The 2027 BMW 4 Series is a subcompact car offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo), including a hybrid version and rear-wheel drive and all-wheel drive.
EPA rates its most efficient version at 31 MPG combined (28 city / 36 highway), 21% better than the 2027 subcompact car average of 25.7 MPG, for an estimated $2,650 a year in fuel.
There are no recalls or owner complaints on file with NHTSA for this model year.
What changed for 2027
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2026 4 Series — a carry-over year in the data.
Compared with 2026; trim, feature and price changes aren't covered. See the 2026 4 Series →
Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| 430i Coupe Hybrid | 2.0L 4-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 28 / 36 / 31 | +21% | $2,650 | 285 |
| 430i xDrive Coupe Hybrid | 2.0L 4-cyl turbo | Automatic (S8) | All-Wheel Drive | 27 / 34 / 30 | +17% | $2,750 | 294 |
| 430i Convertible Hybrid | 2.0L 4-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 27 / 35 / 30 | +17% | $2,750 | 295 |
| M440i Coupe Hybrid | 3.0L 6-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 27 / 34 / 30 | +17% | $2,750 | 295 |
| 430i Gran Coupe Hybrid | 2.0L 4-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 27 / 35 / 30 | -4% | $2,750 | 290 |
| M440i xDrive Coupe Hybrid | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 26 / 33 / 29 | +13% | $2,850 | 300 |
| M440i Convertible Hybrid | 3.0L 6-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 27 / 33 / 29 | +13% | $2,850 | 299 |
| 430i xDrive Gran Coupe Hybrid | 2.0L 4-cyl turbo | Automatic (S8) | All-Wheel Drive | 25 / 34 / 29 | -8% | $2,850 | 305 |
| 430i xDrive Convertible Hybrid | 2.0L 4-cyl turbo | Automatic (S8) | All-Wheel Drive | 24 / 33 / 28 | +9% | $2,950 | 316 |
| M440i xDrive Convertible Hybrid | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 26 / 32 / 28 | +9% | $2,950 | 311 |
| M440i Gran Coupe Hybrid | 3.0L 6-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 26 / 32 / 28 | -11% | $2,950 | 312 |
| M440i xDrive Gran Coupe Hybrid | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 25 / 31 / 27 | -14% | $3,050 | 320 |
EPA estimates; "vs. class" is combined MPG against the 2027 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2027 BMW 4 Series.
Similar 2027 subcompact cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2027 BMW 4 Series (this car) | 31 MPG | Not rated | 0 |
| 2027 Audi A3 | 28 MPG | Not rated | 0 |
| 2027 BMW M | 19 MPG | Not rated | 0 |
| 2027 Audi S3 | 26 MPG | Not rated | 0 |
| 2027 Audi RS | 22 MPG | Not rated | 0 |
| 2027 Mercedes-Benz CLE-Class | 27 MPG | Not rated | 0 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2027 BMW 4 Series.
Check your VIN for open recalls at NHTSA ↗Not every 2027 BMW 4 Series is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2027 BMW 4 Series in NHTSA's database since 2015.
Other 4 Series years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2026 4 Series | 31 | 187.8 in | Not rated | 0 | 0 |
| 2025 4 Series | 31 | 187.8 in | Not rated | 0 | 0 |
| 2024 4 Series | 28 | 187.8 in | Not rated | 0 | 0 |
| 2023 4 Series | 28 | 188.2 in | Not rated | 1 | 0 |
| 2022 4 Series | 28 | 187.8 in | Not rated | 0 | 0 |
| 2021 4 Series | 29 | 187.8 in | Not rated | 0 | 0 |
| 2020 4 Series | 27 | 182.7 in | Not rated | 0 | 0 |
| 2019 4 Series | 27 | 182.7 in | Not rated | 0 | 0 |
| 2018 4 Series | 27 | 182.7 in | Not rated | 0 | 0 |
| 2017 4 Series | 27 | 182.7 in | Not rated | 0 | 0 |
| 2016 4 Series | 27 | 182.7 in | Not rated | 0 | 0 |
| 2015 4 Series | 27 | 182.7 in | Not rated | 0 | 0 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or BMW. How we calculate this →