DecodedCars2023 BMW X4
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2023 models.
- Class
- Small Sport Utility Vehicle 4WD
- Body styles
- M40i 4dr SUV, Xdrive30i 4dr SUV, M 4dr SUV
- Engines
- 2.0L 4-cyl turbo, 3.0L 6-cyl turbo
- Horsepower
- 248–382 hp
- Drivetrain
- All-Wheel Drive
- Fuel
- Premium Gasoline, Hybrid
- MPG (best)
- 24 combined · 21 city / 28 hwy
- Length
- 187.4 in
- Curb weight
- 4,147–4,599 lb
- NHTSA rating
- Not rated
- Recalls
- 2 campaigns
Pros & cons
What's good
- Hybrid version availableOffered as a hybrid as well as gas.
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 41 similar 2023 models — not a review. How we calculate this →
Overview
The 2023 BMW X4 is a small SUV offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo), including a hybrid version and all-wheel drive.
It measures about 187 inches long and 76 inches wide on a 113-inch wheelbase, with a curb weight of roughly 4,323 lb (M40i 4dr SUV).
EPA rates its most efficient version at 24 MPG combined (21 city / 28 highway), 4% worse than the 2023 small SUV average of 25 MPG, for an estimated $3,400 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 2 recall campaigns on file and owners have filed 8 complaints with NHTSA since 2015, most often about the service brakes.
What changed for 2023
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2022 X4 — a carry-over year in the data.
Compared with 2022; trim, feature and price changes aren't covered. See the 2022 X4 →
Trims, performance & features
Trims
Safety & driver-assist features
Built in: Greer, South Carolina
NHTSA vPIC, as reported by the manufacturer for 2 2023 X4 configurations; may not list every trim. How we calculate this →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| M40i 4dr SUV | 187.4 in | 75.6 in | 63.8 in | 113 in | 63.8 / 65.7 in | 4,323 lb | 50/50 |
| Xdrive30i 4dr SUV | 187.4 in | 75.6 in | 63.8 in | 113 in | 63.8 / 65.7 in | 4,147 lb | 49/51 |
| M 4dr SUV | 187.4 in | 75.6 in | 63.8 in | 113 in | 63.8 / 65.7 in | 4,599 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 |
|---|---|---|---|---|---|---|---|
| X4 xDrive30i | 2.0L 4-cyl turbo | Automatic (S8) | All-Wheel Drive | 21 / 28 / 24 | -4% | $3,400 | 369 |
| X4 M40i Hybrid | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 21 / 26 / 23 | -8% | $3,550 | 378 |
| X4 M | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 15 / 20 / 17 | -32% | $4,850 | 519 |
| X4 M Competition | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 15 / 20 / 17 | -32% | $4,850 | 519 |
EPA estimates; "vs. class" is combined MPG against the 2023 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2023 BMW X4.
Similar 2023 small SUVs
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2023 BMW X4 (this car) | 24 MPG | Not rated | 2 |
| 2023 Mercedes-Benz G-Class | 14 MPG | Not rated | 0 |
| 2023 Tesla Model Y | 330 mi | Not rated | 17 |
| 2023 Porsche Cayenne | 19 MPG | Not rated | 2 |
| 2023 BMW X5 | 23 MPG | ★★★★★ | 4 |
| 2023 Land Rover Defender | 20 MPG | Not rated | 9 |
| 2023 BMW X3 | 25 MPG | ★★★★★ | 4 |
Recalls (2)
Electrical System › Starter Assembly · Jan 30, 2026
NHTSA campaign 26V056000 · 87,394 vehicles
- Problem
- BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.
- Risk
- Fire increases the risk of injury.
- Fix
- Dealers will replace the engine starter, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.
Power Train › Automatic Transmission › Control Module (Tcm/Pcm/Tecm) · Dec 6, 2023
NHTSA campaign 23V821000 · 552 vehicles
- Problem
- BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDrive), 4 Series Coupe (430i, 430i xDrive, M440i xDrive), 4 Series Convertible (430i, 430i xDrive, M440i xDrive), 8 Series Coupe (840i, M850i xDrive, M8), 8 Series Convertible (840i, M850i xDrive, M8), 8 Series Gran Coupe (850i xDrive, M8), X3 SAV (X3 xDrive30i, X3M), X4 SAV (X4 xDrive30i), X5 SAV (X5 xDrive40i, X5 M50i, X5M), X6 SAV (X6 xDrive40i, X6 M50i, X6M), and Z4 sDrive30i, Z4 M40i vehicles. The weld seam of the integrated transmission control unit's cover may not have been manufactured properly, which could allow automatic transmission oil to leak into the transmission control unit.
- Risk
- Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, causing a sudden loss of drive power and increasing the risk of a crash.
- Fix
- Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as necessary, free of charge. Owner notification letters were mailed January 26, 2024. Owners may contact BMW customer service at 1-800-525-7417.
Not every 2023 BMW X4 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2023 BMW X4 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 2 recalls this year — ask for proof of repairs.
- Service Brakes — 2 owner reports. Brake firmly from speed; check for pulling, pulsing pedal or ABS warning light.
- Forward Collision Avoidance › Automatic Emergency Braking — 2 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
- Vehicle Speed Control — 1 owner reports. Ask the seller and mechanic specifically about this system.
- Mileage to watch. Owners typically reported problems around 42,000 miles; ask what was repaired near that point.
- Hybrid system. Check for hybrid-system warning lights and ask whether the high-voltage battery has been replaced or is still under warranty.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2023 BMW X4. Not a substitute for a professional inspection.
Other X4 years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2025 X4 | 24 | 187.4 in | Not rated | 1 | 4 |
| 2024 X4 | 24 | 187.4 in | Not rated | 1 | 3 |
| 2022 X4 | 24 | 187.4 in | Not rated | 5 | 4 |
| 2021 X4 | 25 | 187.4 in | Not rated | 7 | 6 |
| 2020 X4 | 25 | 187.4 in | Not rated | 10 | 15 |
| 2019 X4 | 25 | 187.4 in | Not rated | 7 | 11 |
| 2018 X4 | 23 | 183.9 in | Not rated | 1 | 11 |
| 2017 X4 | 23 | 183.9 in | Not rated | 2 | 3 |
| 2016 X4 | 23 | 183.9 in | Not rated | 2 | 10 |
| 2015 X4 | 23 | 183.9 in | Not rated | 5 | 18 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or BMW. How we calculate this →