CarCostCheck

MG 6

Reliability, estimated running costs, and MOT data across 6 model years from 3,526 MOT tests in 2024.

Avg Pass Rate

74%

Total Tests

3,526

Highest Pass Rate

2016 (81%)

Years Covered

6

About the MG 6

The MG 6 was MOT tested 3,526 times in 2024 (DVSA data, retests included) across 6 model years (2011 to 2016), with an average pass rate of 74%. That's 8 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list petrol and diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2016 model has the highest pass rate at 81% from 562 tests. The 2011 model has the lowest at 71%. The 10 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer MG 6s pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2011) averages 76,841 miles, while the newest (2016) averages 63,832 miles.

Compared to the MG brand average of 86%, the 6 is 12 points lower, placing it among the less reliable MG models.

Estimated Running Costs

Fuel (Diesel, 1849cc)
£1,397
Road Tax
£275
MOT Test
£55
Predicted Repairs
£350
Total per year£2,077
Per month£173/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2016 details

How reliable is the MG 6?

vs average of all models-8% (82% avg)
vs MG brand average-12% (86% avg)
Best to worst year spread10 percentage points
Reliability trendImproving over years

MG 6 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
201681%56263,832 mi
201577%76674,074 mi
201473%70667,854 mi
201372%40077,109 mi
201271%80879,453 mi
201171%28476,841 mi

Questions about the MG 6

Is the MG 6 reliable?

Across its 6 model years in our data (2011 to 2016), the MG 6 averages a 74% MOT pass rate, from 3,526 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points below the average of 82% across all models in the same data. The 2016 model has the highest pass rate of the years with at least 100 tests, at 81%.

Which year MG 6 has the best MOT pass rate?

Of the years with at least 100 tests, the 2016 MG 6 has the highest MOT pass rate at 81%, while the 2011 model has the lowest at 71%, a 10 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Are newer MG 6s more reliable?

Newer MG 6s pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.

MG 6 Guides & Articles

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