CarCostCheck

MERCEDES GLA 180 AMG LINE EXECUTIVE A (2021)

Running costs, common problems, and reliability data based on 345 real MOT tests in 2024.

MOT Pass Rate

93%

Total Tests (2024)

345

Avg Mileage

24,443 mi

Est. Annual Cost

£1,582

Is the 2021 MERCEDES GLA 180 AMG LINE EXECUTIVE 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 EXECUTIVE As from 2021 passed their MOT first time in 2024. That's based on 345 tests across the UK. The average mileage at this age is 24,443 miles.

How does the 2021 MERCEDES GLA 180 AMG LINE EXECUTIVE A compare?

Rank among all 2021 cars1636th out of 3,373(top 49%)
Rank among all MERCEDES models399th out of 1,408(top 28%)
vs national average+11% (82% avg)
vs 2021 cars average+1% (92% avg)
vs MERCEDES average+6% (87% avg)

Mileage Analysis

The average 2021 MERCEDES GLA 180 AMG LINE EXECUTIVE A has 24,443 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 EXECUTIVE A cost to run?

Fuel (Petrol, 1332cc)
£1,137
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,582
Per month£132/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

MERCEDES GLA 180 AMG LINE EXECUTIVE A by Year

YearPass RateTestsAvg Mileage
202193%34524,443 mi
202093%4029,662 mi

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About the 2021 MERCEDES GLA 180 AMG LINE EXECUTIVE A

The 2021 MERCEDES GLA 180 AMG LINE EXECUTIVE A is a small family car with a 1332cc petrol engine. 345 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 24,443 miles at 3 years old, MERCEDES GLA 180 AMG LINE EXECUTIVE A owners drive about as much as the UK average.

2021 MERCEDES GLA 180 AMG LINE EXECUTIVE 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 EXECUTIVE 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 EXECUTIVE 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 EXECUTIVE A

The MERCEDES GLA 180 AMG LINE EXECUTIVE A is actually the most reliable option among similar petrol small family cars from this era. Here are comparable petrol cars with similar engines: