MG GS (2018)
Running costs, common problems, and reliability data based on 1,644 real MOT tests in 2024.
MOT Pass Rate
85%
Total Tests (2024)
1,644
Avg Mileage
44,722 mi
Est. Annual Cost
£1,732
Is the 2018 MG GS reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 6 years old, 85% of MG GSs from 2018 passed their MOT first time in 2024. That's based on 1,644 tests across the UK. The average mileage at this age is 44,722 miles.
How does the 2018 MG GS compare?
Mileage Analysis
The average 2018 MG GS has 44,722 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
How much does a 2018 MG GS 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 GS by Year
Checking a specific MG GS?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 MG GS
The 2018 MG GS is a small family car with a 1490cc petrol engine. 1,644 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It sits in the bottom 83% of 2018 cars for MOT pass rates.
With an average of 44,722 miles at 6 years old, MG GS owners drive about as much as the UK average.
2018 MG GS Fuel Costs
The 1490cc 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 2018 MG GS?
Total estimated annual running cost is £1,732 (£144/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 85% pass rate. Keeping on top of servicing will help avoid surprises.
MG GS Reliability Trend
The MG GS has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2018 MG GS
At 6 years old, the MG GS offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2018 MG GS
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 (2016) 81% pass rate (-4%) from 205,128 tests
- VAUXHALL CORSA (2016) 81% pass rate (-4%) from 133,045 tests
- FORD FOCUS (2016) 87% pass rate (+2%) from 109,880 tests
- NISSAN QASHQAI (2017) 86% pass rate (+1%) from 100,176 tests