MERCEDES GLA 220 AMG LINE EXEC D 4M A (2021)
Running costs, common problems, and reliability data based on 56 real MOT tests in 2024.
MOT Pass Rate
96%
Total Tests (2024)
56
Avg Mileage
29,056 mi
Est. Annual Cost
£1,482
Is the 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A reliable?
Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 96% of MERCEDES GLA 220 AMG LINE EXEC D 4M As from 2021 passed their MOT first time in 2024. That's based on 56 tests across the UK. The average mileage at this age is 29,056 miles.
How does the 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A compare?
Mileage Analysis
The average 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A has 29,056 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
How much does a 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A 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.
MERCEDES GLA 220 AMG LINE EXEC D 4M A by Year
Checking a specific MERCEDES GLA 220 AMG LINE EXEC D 4M A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A
The 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A is a family car with a 1950cc diesel engine. 56 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 21% of all 2021 cars for reliability.
With an average of 29,056 miles at 3 years old, MERCEDES GLA 220 AMG LINE EXEC D 4M A owners cover more miles than the average driver.
2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A Fuel Costs
The 1950cc 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).
What does it cost to own a 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A?
Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 56 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 MERCEDES GLA 220 AMG LINE EXEC D 4M A
The MERCEDES GLA 220 AMG LINE EXEC D 4M A is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-7%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (-5%) from 89,588 tests
- FORD KUGA (2019) 91% pass rate (-5%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-7%) from 65,751 tests