MG 6 (2015)
Running costs, common problems, and reliability data based on 766 real MOT tests in 2024.
MOT Pass Rate
77%
Total Tests (2024)
766
Avg Mileage
74,074 mi
Est. Annual Cost
£1,727
Is the 2015 MG 6 reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the MG brand average of 86%.
At 9 years old, 77% of MG 6s from 2015 passed their MOT first time in 2024. That's based on 766 tests across the UK. The average mileage at this age is 74,074 miles.
How does the 2015 MG 6 compare?
Mileage Analysis
The average 2015 MG 6 has 74,074 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
Best year to buy a MG 6?
The most reliable year is the 2016 model with a 81% MOT pass rate, while the 2011 model has the lowest at 71%. The 2015 sits between the two at 77%.
How much does a 2015 MG 6 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.
MG 6 by Year
Checking a specific MG 6?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 MG 6
The 2015 MG 6 is a family car with a 1900cc diesel engine. 766 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 89% of 2015 cars for MOT pass rates.
With an average of 74,074 miles at 9 years old, MG 6 owners drive about as much as the UK average.
2015 MG 6 Fuel Costs
The 1900cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 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 2015 MG 6?
Total estimated annual running cost is £1,727 (£144/month), broken down as £1037 fuel, £135 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 77% pass rate. Keeping on top of servicing will help avoid surprises.
MG 6 Reliability Trend
Newer MG 6s show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2015 MG 6
At 9 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 2016 model has the highest pass rate at 81%.
Alternatives to the 2015 MG 6
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2017) 91% pass rate (+14%) from 127,682 tests
- VAUXHALL ASTRA (2013) 79% pass rate (+2%) from 101,969 tests
- MERCEDES A-CLASS (2017) 88% pass rate (+11%) from 82,055 tests
- AUDI A3 (2015) 88% pass rate (+11%) from 80,797 tests