Tesla Model 3 vs. BMW 4-Series Reliability: Real-world reliability data

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Year	Make/Model	Repair Trips Per 100 Cars	Compared to all models for the same year
2018	BMW 4-Series		small sample, members only	see reported repairs
	13 4-Series, 5.8 months of data per 4-Series, average 3500 miles * Very small sample, members only.
2018	Tesla Model 3	106	Fewest Trips Most Trips	see reported repairs
	40 Model 3s, 3.1 months of data per Model 3, average 2900 miles

2017	BMW 4-Series	14	Fewest Trips Most Trips	see reported repairs
	28 4-Series, 9.5 months of data per 4-Series, average 8400 miles
2017	Tesla Model 3	106	Fewest Trips Most Trips	see reported repairs
	40 Model 3s, 3.1 months of data per Model 3, average 2900 miles Combined 2017s and 2018s. Few of the former.

2016	BMW 4-Series	26	Fewest Trips Most Trips	see reported repairs
	64 4-Series, 10.0 months of data per 4-Series, average 18900 miles Most of the cars in the sample are the related 3-Series, which has had finish and trim problems following an update.

2015	BMW 4-Series	23	Fewest Trips Most Trips	see reported repairs
	85 4-Series, 8.7 months of data per 4-Series, average 28200 miles Most of the cars in the sample are the related 3-Series.

2014	BMW 4-Series	45	Fewest Trips Most Trips	see reported repairs
	96 4-Series, 9.2 months of data per 4-Series, average 43800 miles Most of the cars in the sample are the related 3-Series.

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Tesla Model 3 vs. BMW 4-Series Reliability Comparisons

You won't find Tesla Model 3 or BMW 4-Series reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Tesla Model 3 and the BMW 4-Series truly differ in reliability.

These stats have been promptly updated four times a year, to much more closely track Tesla Model 3 and BMW 4-Series reliability as the cars age. Others tell you how reliable the Tesla Model 3 and the BMW 4-Series were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Tesla Model 3 and the BMW 4-Series have been recently.

See TrueDelta's information for all Tesla models and BMW models.

Tesla Model 3 vs. BMW 4-Series Repair Frequencies

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Tesla Model 3 vs. BMW 4-Series Reliability Comparisons