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MERCEDES GLA 180 AMG LINE AUTO (2021)

Running costs, common problems, and reliability data based on 486 real MOT tests in 2024.

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MOT Pass Rate

90%

Total Tests (2024)

486

Avg Mileage

25,897 mi

Est. Annual Cost

£1,582

Is the 2021 MERCEDES GLA 180 AMG LINE AUTO reliable?

Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.

At 3 years old, 90% of MERCEDES GLA 180 AMG LINE AUTOs from 2021 passed their MOT first time in 2024. That's based on 486 tests across the UK. The average mileage at this age is 25,897 miles.

How does the 2021 MERCEDES GLA 180 AMG LINE AUTO compare?

Rank among all 2021 cars2519th out of 3,373(top 75%)
Rank among all MERCEDES models637th out of 1,408(top 45%)
vs national average+8% (82% avg)
vs 2021 cars average-2% (92% avg)
vs MERCEDES average+3% (87% avg)

Mileage Analysis

The average 2021 MERCEDES GLA 180 AMG LINE AUTO has 25,897 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 AUTO 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.

Checking a specific MERCEDES GLA 180 AMG LINE AUTO?

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About the 2021 MERCEDES GLA 180 AMG LINE AUTO

The 2021 MERCEDES GLA 180 AMG LINE AUTO is a small family car with a 1332cc petrol engine. 486 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 falls short of that benchmark.

With an average of 25,897 miles at 3 years old, MERCEDES GLA 180 AMG LINE AUTO owners drive about as much as the UK average.

2021 MERCEDES GLA 180 AMG LINE AUTO 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 AUTO?

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 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 MERCEDES GLA 180 AMG LINE AUTO

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 AUTO

If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines: