CarCostCheck

MERCEDES GLA 200 AMG LINE PREMIUM + A (2021)

Running costs, common problems, and reliability data based on 314 real MOT tests in 2024.

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MOT Pass Rate

98%

Total Tests (2024)

314

Avg Mileage

20,988 mi

Est. Annual Cost

£1,582

Is the 2021 MERCEDES GLA 200 AMG LINE PREMIUM + A reliable?

Excellent reliability. Very few MOT failures. That's 16 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.

At 3 years old, 98% of MERCEDES GLA 200 AMG LINE PREMIUM + As from 2021 passed their MOT first time in 2024. That's based on 314 tests across the UK. The average mileage at this age is 20,988 miles.

How does the 2021 MERCEDES GLA 200 AMG LINE PREMIUM + A compare?

Rank among all 2021 cars184th out of 3,373(top 5%)
Rank among all MERCEDES models75th out of 1,408(top 5%)
vs national average+16% (82% avg)
vs 2021 cars average+6% (92% avg)
vs MERCEDES average+11% (87% avg)

Mileage Analysis

The average 2021 MERCEDES GLA 200 AMG LINE PREMIUM + A has 20,988 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 200 AMG LINE PREMIUM + 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 200 AMG LINE PREMIUM + A by Year

YearPass RateTestsAvg Mileage
202198%31420,988 mi
202095%52225,206 mi

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About the 2021 MERCEDES GLA 200 AMG LINE PREMIUM + A

The 2021 MERCEDES GLA 200 AMG LINE PREMIUM + A is a small family car with a 1332cc petrol engine. 314 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 5% of all 2021 cars for reliability.

With an average of 20,988 miles at 3 years old, MERCEDES GLA 200 AMG LINE PREMIUM + A owners drive about as much as the UK average.

2021 MERCEDES GLA 200 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 200 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 98% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 MERCEDES GLA 200 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 200 AMG LINE PREMIUM + A

The MERCEDES GLA 200 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: