BMW ยท 2018
2018 BMW M4 Convertible
Official EPA fuel economy and NHTSA recall record, best combined figure 20 MPG.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 3.0L 6-cyl | Manual 6-spd | Premium | 17 | 25 | 20 | 450 |
| 3.0L 6-cyl | Automatic (AM-S7) | Premium | 16 | 22 | 19 | 481 |
Safety recalls (NHTSA)
1 campaign on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
BMW of North America, LLC (BMW) is recalling certain 2018 430i, 430i xDrive, 440i, 440i xDrive, and M4 convertible vehicles. The Emergency Locking Retractors (ELR) within the front seat belt assemblies may have been produced with incompatible vehicle-sensitive locking mechanism housings.
Owner complaints (NHTSA)
6 complaints filed by owners for this model year. Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 2018 BMW M4 Convertible?
EPA figures for the 2018 BMW M4 Convertible reach 20 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 2018 BMW M4 Convertible?
NHTSA lists 1 safety recall campaign for the 2018 BMW M4 Convertible. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
What are common problems with the 2018 BMW M4 Convertible?
Owners have filed 6 complaints with NHTSA for the 2018 BMW M4 Convertible, most often about: Fuel/propulsion System, Engine, Back Over Prevention. Complaint counts reflect what owners report, not confirmed defects.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.