BMW 630 (2018)
Running costs, common problems, and reliability data based on 49 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
49
Avg Mileage
52,719 mi
Est. Annual Cost
£1,690
Is the 2018 BMW 630 reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 6 years old, 94% of BMW 630s from 2018 passed their MOT first time in 2024. That's based on 49 tests across the UK. The average mileage at this age is 52,719 miles.
How does the 2018 BMW 630 compare?
Mileage Analysis
The average 2018 BMW 630 has 52,719 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 630?
The most reliable year is the 2010 model with a 91% MOT pass rate, while the 2011 model has the lowest at 79%. The 2018 sits between the two at 94%.
How much does a 2018 BMW 630 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 630 by Year
Checking a specific BMW 630?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 BMW 630
The 2018 BMW 630 is a premium performance with a 3000cc diesel engine. 49 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 24% of all 2018 cars for reliability.
With an average of 52,719 miles at 6 years old, BMW 630 owners drive about as much as the UK average.
2018 BMW 630 Fuel Costs
The 3000cc 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 630?
Total estimated annual running cost is £1,690 (£141/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW 630 Reliability Trend
Newer BMW 630s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 2018 BMW 630
At 6 years old, the BMW 630 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 2010 model has the highest pass rate at 91%. Note: with only 49 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2018 BMW 630
The BMW 630 is actually the most reliable option among similar diesel premium performances from this era. Here are comparable diesel cars with similar engines:
- MERCEDES E (2019) 90% pass rate (-4%) from 41,000 tests
- MERCEDES GLC (2018) 91% pass rate (-3%) from 40,494 tests
- AUDI A5 (2017) 89% pass rate (-5%) from 33,531 tests
- FORD RANGER (2019) 87% pass rate (-7%) from 32,194 tests