BMW M4 (2018)
Running costs, common problems, and reliability data based on 6,714 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
6,714
Avg Mileage
37,048 mi
Est. Annual Cost
£2,037
Is the 2018 BMW M4 reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 6 years old, 93% of BMW M4s from 2018 passed their MOT first time in 2024. That's based on 6,714 tests across the UK. The average mileage at this age is 37,048 miles.
How does the 2018 BMW M4 compare?
Mileage Analysis
The average 2018 BMW M4 has 37,048 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
Best year to buy a BMW M4?
The most reliable year is the 2019 model with a 94% MOT pass rate, while the 2017 model has the lowest at 91%. The 2018 sits between the two at 93%.
How much does a 2018 BMW M4 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
BMW M4 by Year
Checking a specific BMW M4?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 BMW M4
The 2018 BMW M4 is a premium performance with a 2979cc petrol engine. 6,714 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.
With an average of 37,048 miles at 6 years old, BMW M4 owners drive about as much as the UK average.
2018 BMW M4 Fuel Costs
The 2979cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2018 BMW M4?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW M4 Reliability Trend
The BMW M4 has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.
Buying a Used 2018 BMW M4
At 6 years old, the BMW M4 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2019 model has the highest pass rate at 94%. With 6,714 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2018 BMW M4
The BMW M4 is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- BMW 5 SERIES (2018) 91% pass rate (-2%) from 40,272 tests
- LAND ROVER RANGE ROVER SPORT (2018) 93% pass rate (same) from 34,257 tests
- BMW X3 (2019) 92% pass rate (-1%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (same) from 30,341 tests