MG 3 (2022)
Running costs, common problems, and reliability data based on 141 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
141
Avg Mileage
19,942 mi
Est. Annual Cost
£1,582
Is the 2022 MG 3 reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the MG brand average of 86%.
At 2 years old, 91% of MG 3s from 2022 passed their MOT first time in 2024. That's based on 141 tests across the UK. The average mileage at this age is 19,942 miles.
How does the 2022 MG 3 compare?
Mileage Analysis
The average 2022 MG 3 has 19,942 miles on the clock, which is above the expected 14,800 miles for a 2-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 MG 3?
The most reliable year is the 2021 model with a 92% MOT pass rate, while the 2014 model has the lowest at 79%. The 2022 sits between the two at 91%.
How much does a 2022 MG 3 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 3 by Year
Checking a specific MG 3?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2022 MG 3
The 2022 MG 3 is a small family car with a 1498cc petrol engine. 141 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 79% of 2022 cars for MOT pass rates.
With an average of 19,942 miles at 2 years old, MG 3 owners cover more miles than the average driver.
2022 MG 3 Fuel Costs
The 1498cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2022 MG 3?
Total estimated annual running cost is £1,582 (£132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MG 3 Reliability Trend
Newer MG 3s show better MOT pass rates than older ones, with an average improvement of 8 percentage points.
Alternatives to the 2022 MG 3
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- NISSAN QASHQAI (2020) 93% pass rate (+2%) from 52,321 tests
- MERCEDES A (2021) 94% pass rate (+3%) from 37,477 tests
- MINI COOPER (2020) 93% pass rate (+2%) from 34,513 tests
- FORD FIESTA (2020) 91% pass rate (same) from 34,173 tests