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REAL MPG:
Mercedes-Benz GLA (2014 on)
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24–62
Real MPG
40.7
Average
Impressive ride quality. Available with two or four-wheel drive. Good rear passenger and load space. High quality interior finish.
Lacklustre dual clutch automatic. 220 d noisy and not as good as competitor diesel engines. Driving position not as high as other compact SUVs.
Select engine for more Real MPG information:
| Engine | Official MPG | Real MPG Avg. | Real MPG % | |
| GLA 220d 4Matic Automatic | 47.1–47.9 mpg | 39.9 mpg | 84% |  |
| GLA180 Automatic | 40.9–44.8 mpg | 41.6 mpg | 97% | |
| GLA200 | 42.2–47.1 mpg | 35.4 mpg | 79% | |
| GLA200 Automatic | 43.5–48.7 mpg | 34.3 mpg | 74% | |
| GLA200 CDI | 62.8–67.3 mpg | 51.5 mpg | 79% | |
| GLA200 CDI Automatic | 62.8 mpg | 56.9 mpg | 91% | |
| GLA200 d | 64.2–67.3 mpg | 56.5 mpg | 86% | |
| GLA200 d 4Matic Automatic | 48.7–56.5 mpg | 46.7 mpg | 89% | |
| GLA200 d Automatic | 49.6–67.3 mpg | 46.4 mpg | 79% | |
| GLA200d | 67.3 mpg | 49.7 mpg | 74% | |
| GLA200d 4Matic Automatic | 48.7 mpg | - | - | |
| GLA200d Automatic | 51.4 mpg | 49.1 mpg | 95% | |
| GLA220 CDI 4Matic | 55.4–62.8 mpg | 43.8 mpg | 74% | |
| GLA220 CDI 4Matic Automatic | 55.4 mpg | 47.1 mpg | 85% | |
| GLA220 d 4Matic Automatic | 47.9–56.5 mpg | 41.8 mpg | 80% | |
| GLA250 4Matic | 38.2–42.8 mpg | 33.2 mpg | 82% | |
| GLA250 4Matic Automatic | 38.2–42.8 mpg | 32.8 mpg | 81% | |
| GLA45 AMG | 33.2–38.2 mpg | 30.3 mpg | 85% | |
Our Fuel Cost Calculator shows you which will be the best choice for you.
Compare the running costs of petrol, diesel and electric cars to make the right choice for you.
Read the Honest John review...
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Mercedes-Benz GLA (2014 on)
Impressive ride quality. Available with two or four-wheel drive. Good rear passenger and load space. High quality interior finish.
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Rivals
| Mercedes-Benz GLA (2014 on) | 40.7 | avg mpg |
| BMW X1 (2015 on) | 42.8 | avg mpg |
| Audi Q3 (2011 - 2018) | 39.8 | avg mpg |
| Land Rover Discovery Sport (2015 on) | 35.8 | avg mpg |
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