BMW M3 Competition Auto
Reliability, estimated running costs, and MOT data across 1 model year from 1,821 MOT tests in 2024.
Avg Pass Rate
98%
Total Tests
1,821
Model Year
2021
Years Covered
1
About the BMW M3 Competition Auto
The BMW M3 Competition Auto was MOT tested 1,821 times in 2024 (DVSA data, retests included) across 1 model year (2021), with an average pass rate of 98%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.
Compared to the BMW brand average of 88%, the M3 Competition Auto performs 10 points better, making it one of the more reliable options in the BMW range.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the BMW M3 Competition Auto?
BMW M3 Competition Auto by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2021 | 98% | 1,821 | 21,689 mi |
Questions about the BMW M3 Competition Auto
Is the BMW M3 Competition Auto reliable?
Across its 1 model year in our data (2021), the BMW M3 Competition Auto averages a 98% MOT pass rate, from 1,821 tests (DVSA MOT data for tests in 2024, retests included). That's 16 points above the average of 82% across all models in the same data.
BMW M3 Competition Auto Guides & Articles
How to Prepare for Your MOT: 20 Checks That Could Save You Money
8 min read
Buying GuideCars That Hold Their Value UK 2026 (Up to 78% After 3 Years)
10 min read
Buying GuideCars That Lose Value Fastest: Models to Avoid for Depreciation
8 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Common Problems: 7 Issues That Could Cost £1,500+ (2026)
13 min read
Checking a specific BMW M3 Competition Auto?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.