CarCostCheck

BMW 420 (2014)

Running costs, common problems, and reliability data based on 18,990 real MOT tests in 2024.

MOT Pass Rate

86%

Total Tests (2024)

18,990

Avg Mileage

89,334 mi

Est. Annual Cost

£1,867

Is the 2014 BMW 420 reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 10 years old, 86% of BMW 420s from 2014 passed their MOT first time in 2024. That's based on 18,990 tests across the UK. The average mileage at this age is 89,334 miles.

How does the 2014 BMW 420 compare?

Rank among all 2014 cars264th out of 562(top 47%)
Rank among all BMW models1052th out of 1,564(top 67%)
vs national average+4% (82% avg)
vs 2014 cars average+5% (81% avg)
vs BMW average-2% (88% avg)

Mileage Analysis

The average 2014 BMW 420 has 89,334 miles on the clock, which is above the expected 74,000 miles for a 10-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 2014 sits between the two at 86%.

How much does a 2014 BMW 420 cost to run?

Fuel (Petrol, 1997cc)
£1,327
🏛️Road Tax
£135
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,867
Per month£156/mo

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

YearPass RateTestsAvg Mileage
202194%73028,172 mi
202092%6,83232,973 mi
201990%16,83541,885 mi
201891%22,37451,167 mi
201790%25,46764,302 mi
201689%25,22475,338 mi
201588%23,55982,955 mi
201486%18,99089,334 mi
201385%1,30999,720 mi

Checking a specific BMW 420?

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About the 2014 BMW 420

The 2014 BMW 420 is a premium with a 1997cc petrol engine. 18,990 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2014, the average MOT pass rate is 81%, and this model beats that benchmark.

With an average of 89,334 miles at 10 years old, BMW 420 owners cover more miles than the average driver.

2014 BMW 420 Fuel Costs

The 1997cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2014 BMW 420?

Total estimated annual running cost is £1,867 156/month), broken down as £1327 fuel, £135 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% 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 2014 BMW 420

At 10 years old, the BMW 420 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2021 model has the highest pass rate at 94%. With 18,990 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2014 BMW 420

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines: