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Mercedes GLA SUV (2014-2020) - MPG, running costs & CO2

It’s now petrol-only, but the Mercedes GLA shouldn’t be more expensive to run than rivals

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The duo of diesel engines (both 2.1 litres) are no longer available, so the only choice for a brand-new GLA is petrol. That means there’s no super-efficient model, though neither of the lower-powered petrols will really break the bank during day-to-day use.

Mercedes GLA MPG & CO2

The most economical engine in the GLA range is the 120bhp version of the 1.6-litre petrol, the front-wheel drive GLA 180 model, which returns 40.4mpg with its standard six-speed manual gearbox. It doesn’t record particularly good CO2 emissions – 144g/km with the automatic and 158g/km with the manual gearbox – so its Benefit-in-Kind (BiK) ratings may be costly for company car drivers.

The GLA 200 uses the same engine with more power, and it offers similar fuel economy and CO2 emissions. Up to 39.8mpg is claimed with the manual gearbox, or 38.2mpg with the automatic. The four-wheel drive GLA 250 4MATIC is slightly more costly to run, returning 35.8mpg and emitting 169g/km.

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After the first year's CO2-based road tax (generally included in the on-the-road price), all Mercedes GLAs cost £145 a year to tax. Those with a list price (including options) of more than £40,000 are liable for an additional surcharge of £320 a year in years two to six, bringing the annual bill to £465 during that period.

Insurance group

The Mercedes GLA's spread of insurance groups are no longer complicated. Petrols span groups 22 to 30, while the AMG model sits in group 40 out of 50.

Warranty

Like every Mercedes, the GLA comes with a three-year, unlimited mileage warranty, which matches BMW’s warranty and betters the three-year/60,000 mile policy from Audi. There’s also up to 30 years of cover against rusting from the inside out, and up to 30 years of Europe-wide breakdown cover.

Servicing

Your Mercedes GLA will need to be seen by a dealer every 15,500 miles. But to take the sting out of the bills, you can choose to pay monthly instalments to cover the first few annual services. The exact cost varies according to the owner’s requirements.

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Richard is a former editor of Carbuyer, as well as sister site DrivingElectric.com, and he's now Deputy Editor at Auto Express. Having spent a decade working in the automotive industry, he understands exactly what makes new car buyers tick.

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