BMW 520I M SPORT MHEV AUTO (2020)
Running costs, common problems, and reliability data based on 209 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
209
Avg Mileage
32,181 mi
Est. Annual Cost
£1,772
Is the 2020 BMW 520I M SPORT MHEV AUTO reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 4 years old, 92% of BMW 520I M SPORT MHEV AUTOs from 2020 passed their MOT first time in 2024. That's based on 209 tests across the UK. The average mileage at this age is 32,181 miles.
How does the 2020 BMW 520I M SPORT MHEV AUTO compare?
Mileage Analysis
The average 2020 BMW 520I M SPORT MHEV AUTO has 32,181 miles on the clock, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
Best year to buy a BMW 520I M SPORT MHEV AUTO?
The most reliable year is the 2021 model with a 94% MOT pass rate, while the 2022 model has the lowest at 92%. The 2020 sits between the two at 92%.
How much does a 2020 BMW 520I M SPORT MHEV AUTO 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 520I M SPORT MHEV AUTO by Year
Checking a specific BMW 520I M SPORT MHEV AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 BMW 520I M SPORT MHEV AUTO
The 2020 BMW 520I M SPORT MHEV AUTO is a premium with a 1998cc hybrid engine. 209 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 32,181 miles at 4 years old, BMW 520I M SPORT MHEV AUTO owners drive about as much as the UK average.
2020 BMW 520I M SPORT MHEV AUTO Fuel Costs
The 1998cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2020 BMW 520I M SPORT MHEV AUTO?
Total estimated annual running cost is £1,772 (£148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW 520I M SPORT MHEV AUTO Reliability Trend
The BMW 520I M SPORT MHEV AUTO has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2020 BMW 520I M SPORT MHEV AUTO
At 4 years old, the BMW 520I M SPORT MHEV AUTO 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 2021 model has the highest pass rate at 94%.
Alternatives to the 2020 BMW 520I M SPORT MHEV AUTO
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable hybrid cars with similar engines:
- MERCEDES C (2018) 90% pass rate (-2%) from 62,138 tests
- MINI COOPER S (2019) 92% pass rate (same) from 33,682 tests
- LAND ROVER RANGE ROVER SPORT (2019) 94% pass rate (+2%) from 33,069 tests
- TOYOTA C-HR (2018) 90% pass rate (-2%) from 31,950 tests