MERCEDES GLA 180 AMG LINE PREMIUM + A (2021)
Running costs, common problems, and reliability data based on 1,264 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
1,264
Avg Mileage
25,414 mi
Est. Annual Cost
£1,582
Is the 2021 MERCEDES GLA 180 AMG LINE PREMIUM + A reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 93% of MERCEDES GLA 180 AMG LINE PREMIUM + As from 2021 passed their MOT first time in 2024. That's based on 1,264 tests across the UK. The average mileage at this age is 25,414 miles.
How does the 2021 MERCEDES GLA 180 AMG LINE PREMIUM + A compare?
Mileage Analysis
The average 2021 MERCEDES GLA 180 AMG LINE PREMIUM + A has 25,414 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
How much does a 2021 MERCEDES GLA 180 AMG LINE PREMIUM + 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.
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About the 2021 MERCEDES GLA 180 AMG LINE PREMIUM + A
The 2021 MERCEDES GLA 180 AMG LINE PREMIUM + A is a small family car with a 1332cc petrol engine. 1,264 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 25,414 miles at 3 years old, MERCEDES GLA 180 AMG LINE PREMIUM + A owners drive about as much as the UK average.
2021 MERCEDES GLA 180 AMG LINE PREMIUM + A Fuel Costs
The 1332cc 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 2021 MERCEDES GLA 180 AMG LINE PREMIUM + A?
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 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 MERCEDES GLA 180 AMG LINE PREMIUM + 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.
Alternatives to the 2021 MERCEDES GLA 180 AMG LINE PREMIUM + A
The MERCEDES GLA 180 AMG LINE PREMIUM + A is actually the most reliable option among similar petrol small family cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2019) 91% pass rate (-2%) from 124,950 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (-1%) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-5%) from 68,639 tests
- NISSAN QASHQAI (2020) 93% pass rate (same) from 52,321 tests