BMW 640 (2018)
Running costs, common problems, and reliability data based on 1,668 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
1,668
Avg Mileage
50,131 mi
Est. Annual Cost
£1,840
Is the 2018 BMW 640 reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 6 years old, 88% of BMW 640s from 2018 passed their MOT first time in 2024. That's based on 1,668 tests across the UK. The average mileage at this age is 50,131 miles.
How does the 2018 BMW 640 compare?
Mileage Analysis
The average 2018 BMW 640 has 50,131 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 640?
The most reliable year is the 2015 model with a 90% MOT pass rate, while the 2017 model has the lowest at 87%. The 2018 sits between the two at 88%.
How much does a 2018 BMW 640 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 640 by Year
Checking a specific BMW 640?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 BMW 640
The 2018 BMW 640 is a premium performance with a 2993cc diesel engine. 1,668 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 falls short of that benchmark.
With an average of 50,131 miles at 6 years old, BMW 640 owners drive about as much as the UK average.
2018 BMW 640 Fuel Costs
The 2993cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2018 BMW 640?
Total estimated annual running cost is £1,840 (£153/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.
BMW 640 Reliability Trend
The BMW 640 has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2018 BMW 640
At 6 years old, the BMW 640 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 2015 model has the highest pass rate at 90%.
Alternatives to the 2018 BMW 640
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- MERCEDES E (2019) 90% pass rate (+2%) from 41,000 tests
- MERCEDES GLC (2018) 91% pass rate (+3%) from 40,494 tests
- AUDI A5 (2017) 89% pass rate (+1%) from 33,531 tests
- FORD RANGER (2019) 87% pass rate (-1%) from 32,194 tests