MERCEDES GLA 200 AMG LINE EDITION + (2020)
Running costs, reliability data, and common problems from 63 real MOT tests.
Annual Cost
£1,587
£132/month
MOT Pass Rate
90%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1595cc Petrol
Great Choice
90% pass rate, £1587/year to run. 8 points above average.
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Annual Running Costs
~42 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 6 years old, 90% of MERCEDES GLA 200 AMG LINE EDITION +s from 2020 passed their MOT first time in 2026. That's based on 63 tests across the UK. The average mileage at this age is 24,982 miles.
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How Does It Compare?
Mileage Analysis
24,982
Average miles
44,400
Expected for age
The average 2020 MERCEDES GLA 200 AMG LINE EDITION + has 24,982 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2019 model with a 94% MOT pass rate, while the 2020 model has the lowest at 90%. Consider a different year if reliability is a priority.
MERCEDES GLA 200 AMG LINE EDITION + by Year
Similar Cars to Consider
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About the 2020 MERCEDES GLA 200 AMG LINE EDITION +
The 2020 MERCEDES GLA 200 AMG LINE EDITION + is a small family car with a 1595cc petrol engine. 63 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 24,982 miles at 6 years old, MERCEDES GLA 200 AMG LINE EDITION + owners tend to use this car less than the typical driver.
2020 MERCEDES GLA 200 AMG LINE EDITION + Fuel Costs
The 1595cc 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 2020 MERCEDES GLA 200 AMG LINE EDITION +?
Total estimated annual running cost is £1,587 (£132/month), broken down as £1137 fuel, £195 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 2020 MERCEDES GLA 200 AMG LINE EDITION +
At 6 years old, the MERCEDES GLA 200 AMG LINE EDITION + offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 63 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2020 MERCEDES GLA 200 AMG LINE EDITION +'s fuel type, age, and engine size, these are the most likely problem areas to check.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2020 MERCEDES GLA 200 AMG LINE EDITION + stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES GLA 200 AMG LINE EDITION +(2020) | 90% | £1137 | £195 | Grp 12-25 | £1587 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£5 |
| VAUXHALL CORSA(2018) | 85% | £1137 | £190 | Grp 8-20 | £1732+£145 |
| NISSAN QASHQAI(2018) | 87% | £955 | £190 | Grp 5-15 | £1550-£37 |
| FORD KUGA(2018) | 90% | £1137 | £190 | Grp 12-25 | £1582-£5 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Mercedes Models
Explore other Mercedes cars or similar models in the same category.
MERCEDES A
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MERCEDES C
2017 · 1991cc Hybrid
MERCEDES A-CLASS
2017 · 1461cc Diesel
VOLKSWAGEN GOLF
2019 · 1498cc Petrol
VAUXHALL CORSA
2018 · 1398cc Petrol
NISSAN QASHQAI
2018 · 1200cc Petrol
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