Best Year to Buy a Bmw Z4
Reliability rankings across 13 model years, based on NHTSA owner complaints
Based on 13 model years of NHTSA complaint data, the 2021 Bmw Z4 is the most reliable year to buy with a Klunk Score of 100/100 ("Smooth Ride") and only 1 owner complaints. The 2003 model year is the least reliable with 413 complaints and a score of 33/100 ("Check Engine").