Below is the list of the 5 most reliable used BMW models and engines. 1. Best BMW 3 Series Reliability: 2006-2011. After going through a redesign in 2006, the 3-Series was offered as sedan (E90), wagon (E91), coupe (E92), and convertible (E93). All could be purchased as either all-wheel drive or rear-wheel models. It’s the first year of that generation 5 series. As with most first year cars, there will be issues/quirks. That being said, the car is gorgeous. We worked on a ‘17 5 series a few months ago and it really is a nicely built and optioned vehicle. I wouldn’t mind owning one if I had the budget for the upkeep of such vehicle. Being the larger of the two, the 5-Series boasts more room on the inside when compared to the 3-Series sedan. This larger cabin gives rear-seat passengers an extra 1.5 inches of leg room, plus the 5-Series’ seats are more comfortable on longer hauls. The 5-Series also has the larger trunk at 14.5 cubic feet. Cookie. The price of the 2024 BMW 5-series starts at $58,895 and goes up to $74,795 depending on the trim and options. Although the 5-series has been redesigned for 2024, it's offered with familiar BMW 5 Series Reliability Score: 81/ 100 (J.D.Power) The BMW 5 Series has long served as the flagbearer of the German brand’s sedans, even if it's not the flagship. 4 days ago · 2015 Sedans & Hatchbacks Reliability This Car 0. 100. 0 - 100. 2015 BMW 5 Series. vs. Similar Cars With the 2011 redesign, the 5 Series BMW grew larger and sacrificed a lot of its handling New Models Predicted Reliability This Car 0. 100. 0 - 100. 2024 BMW 5 Series. vs. Similar Cars With the 2011 redesign, the 5 Series BMW grew larger and sacrificed a lot of its handling Consumer Reviews 2023 BMW 5 Series Consumer Reviews More about the 2023 5 Series 5 (77%) 4 (10%) 3 (7%) 2 (2%) 1 (4%) 4.6 40 reviews Write a vehicle review See all 5 Series for sale 2003 BMW 5 Series 530i 4dr Sedan (3.0L 6cyl 5M) 26 of 28 people found this review helpful The 2003 530i is a classic, and in every sense a world-class vehicle. The least reliable BMW is the BMW 550i with the lowest 1.5 out of 5 reliability rating, ranked 29th out of 30 luxury sedans with an average repair cost of $1,000 per year. BMW 5 Series Mk6 Engine variations oLbTt.