BMW X6 M50I AUTO (2020)
Running costs, reliability data, and common problems from 107 real MOT tests.
Annual Cost
£2,192
£183/month
MOT Pass Rate
89%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 35-50
4395cc Petrol
Solid Option
89% pass rate, £2192/year to run. 7 points above average.
Check a specific BMW X6 M50I AUTO
Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.
Annual Running Costs
~30 mpg
Flat rate (post-2017)
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
Get an insurance quote for this BMW X6 M50I AUTO
Compare quotes and find the best deal
Reliability Verdict
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 6 years old, 89% of BMW X6 M50I AUTOs from 2020 passed their MOT first time in 2026. That's based on 107 tests across the UK. The average mileage at this age is 34,193 miles.
Got a BMW X6 M50I AUTO you're looking at?
Enter the reg plate to check its specific MOT history, mileage, and health score.
How Does It Compare?
Mileage Analysis
34,193
Average miles
44,400
Expected for age
The average 2020 BMW X6 M50I AUTO has 34,193 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Looking at a specific BMW X6 M50I AUTO?
Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.
Similar Cars to Consider
Check a Specific Bmw X6 m50i auto
Enter a reg plate to get the full MOT history, health score, and mileage verification.
Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.
About the 2020 BMW X6 M50I AUTO
The 2020 BMW X6 M50I AUTO is a premium performance with a 4395cc petrol engine. 107 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 79% of 2020 cars for MOT pass rates.
With an average of 34,193 miles at 6 years old, BMW X6 M50I AUTO owners tend to use this car less than the typical driver.
2020 BMW X6 M50I AUTO Fuel Costs
The 4395cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 BMW X6 M50I AUTO?
Total estimated annual running cost is £2,192 (£183/month), broken down as £1592 fuel, £195 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.
Buying a Used 2020 BMW X6 M50I AUTO
At 6 years old, the BMW X6 M50I AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
Based on the 2020 BMW X6 M50I AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 6 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Low riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2020 BMW X6 M50I AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| BMW X6 M50I AUTO(2020) | 89% | £1592 | £195 | Grp 35-50 | £2192 |
| MERCEDES C(2019) | 91% | £1592 | £190 | Grp 35-50 | £2037-£155 |
| PORSCHE CAYENNE(2019) | 95% | £1592 | £190 | Grp 35-50 | £2037-£155 |
| PORSCHE 911(2018) | 96% | £1592 | £190 | Grp 35-50 | £2037-£155 |
| AUDI A6(2020) | 94% | £1592 | £190 | Grp 35-50 | £2037-£155 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Bmw Models
Explore other Bmw cars or similar models in the same category.
BMW 3 SERIES
2013 · 1995cc Diesel
BMW 5 SERIES
2018 · 2998cc Petrol
BMW 116
2014 · 1995cc Diesel
MERCEDES C
2019 · 3982cc Petrol
PORSCHE CAYENNE
2019 · 3996cc Petrol
PORSCHE 911
2018 · 3996cc Petrol
Related Guides
In-depth articles relevant to the Bmw X6 m50i auto.
How to Prepare for Your MOT: 20 Checks That Could Save You Money
8 min read
Buying GuideCars That Hold Their Value UK 2026 (Up to 71% After 3 Years)
10 min read
Buying GuideCars That Lose Value Fastest: Models to Avoid for Depreciation
8 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Problems: 7 Issues Owners Report (2026)
13 min read
Check a specific BMW X6 M50I AUTO
Enter the reg to see its MOT history, mileage check, and predicted costs.
Premium History Check
Buying a BMW X6 M50I AUTO? Our premium check covers:
- Stolen check (PNC)
- Outstanding finance
- Write-off history (Cat A/B/N/S)
- Previous owners count
Competitors charge £10-£20 for the same data