MG 3 (2014)
Running costs, common problems, and reliability data based on 2,698 real MOT tests in 2024.
MOT Pass Rate
79%
Total Tests (2024)
2,698
Avg Mileage
57,573 mi
Est. Annual Cost
£1,827
Is the 2014 MG 3 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 10 years old, 79% of MG 3s from 2014 passed their MOT first time in 2024. That's based on 2,698 tests across the UK. The average mileage at this age is 57,573 miles.
How does the 2014 MG 3 compare?
Mileage Analysis
The average 2014 MG 3 has 57,573 miles on the clock, which is below the expected 74,000 miles for a 10-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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%. Consider a different year if reliability is a priority.
How much does a 2014 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 2014 MG 3
The 2014 MG 3 is a small family car with a 1498cc petrol engine. 2,698 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2014, the average MOT pass rate is 81%, and this model falls short of that benchmark.
With an average of 57,573 miles at 10 years old, MG 3 owners tend to use this car less than the typical driver.
2014 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 2014 MG 3?
Total estimated annual running cost is £1,827 (£152/month), broken down as £1137 fuel, £135 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 79% pass rate. Keeping on top of servicing will help avoid surprises.
MG 3 Reliability Trend
Newer MG 3s show better MOT pass rates than older ones, with an average improvement of 8 percentage points.
Buying a Used 2014 MG 3
At 10 years old, the MG 3 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age.
Alternatives to the 2014 MG 3
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2015) 81% pass rate (+2%) from 225,575 tests
- VAUXHALL CORSA (2015) 78% pass rate (-1%) from 160,438 tests
- FORD FOCUS (2013) 78% pass rate (-1%) from 132,292 tests
- NISSAN QASHQAI (2016) 83% pass rate (+4%) from 99,081 tests