BMW 420 (2016)
Running costs, common problems, and reliability data based on 25,224 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
25,224
Avg Mileage
75,338 mi
Est. Annual Cost
£1,900
Is the 2016 BMW 420 reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 8 years old, 89% of BMW 420s from 2016 passed their MOT first time in 2024. That's based on 25,224 tests across the UK. The average mileage at this age is 75,338 miles.
How does the 2016 BMW 420 compare?
Mileage Analysis
The average 2016 BMW 420 has 75,338 miles on the clock, which is above the expected 59,200 miles for a 8-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a BMW 420?
The most reliable year is the 2021 model with a 94% MOT pass rate, while the 2013 model has the lowest at 85%. The 2016 sits between the two at 89%.
How much does a 2016 BMW 420 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 420 by Year
Checking a specific BMW 420?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2016 BMW 420
The 2016 BMW 420 is a premium performance with a 4000cc diesel engine. 25,224 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2016, the average MOT pass rate is 85%, and this model beats that benchmark.
With an average of 75,338 miles at 8 years old, BMW 420 owners cover more miles than the average driver.
2016 BMW 420 Fuel Costs
The 4000cc 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 2016 BMW 420?
Total estimated annual running cost is £1,900 (£158/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
BMW 420 Reliability Trend
Newer BMW 420s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 2016 BMW 420
At 8 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2021 model has the highest pass rate at 94%. With 25,224 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2016 BMW 420
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- LAND ROVER RANGE ROVER SPORT (2015) 90% pass rate (+1%) from 34,075 tests
- LAND ROVER RANGE ROVER (2014) 90% pass rate (+1%) from 18,408 tests
- AUDI Q7 (2018) 89% pass rate (same) from 10,903 tests
- BENTLEY BENTAYGA (2018) 97% pass rate (+8%) from 2,401 tests