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White BMW 3 Series cornering with Real MPG logo

Real MPG: most economical executive and luxury cars

What Car?'s Real MPG tests show what fuel economy you can really expect from a car. Here, we reveal the best and worst-performing executive and luxury cars we've tested

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Best small cars 2026 plus the one to avoid – tried & tested

Small hatchbacks make a lot of sense, especially if you live in the city. However, there are an awful lot to choose from, so here we count down the top 10 – and reveal the model to avoid

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Real MPG: most economical used cars

Our Real MPG tests show you how far a car can really travel on a gallon of fuel. So, which used cars are the most fuel-efficient?

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Real MPG: The most economical used cars revealed

Our Real MPG tests show you how far new cars can really travel on a gallon of fuel. So, which are the most economical second-hand cars?

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Real MPG: Most economical family cars

Looking for an efficient family car to keep fuel bills low? Our Real MPG tests reveal the economy you can really expect

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Real MPG: the least economical new cars you can buy

What Car?'s Real MPG tests show what fuel economy you can really expect from a car. Here are the least efficient models you can currently buy in the UK

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Real MPG: most economical cars you can buy new

What Car?'s Real MPG tests show what fuel economy you can really expect from a car. Here are the most efficient models you can currently buy in the UK

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Real MPG: most economical SUVs (and the least)

What Car?'s Real MPG tests show what you can really expect from a car. Here, we reveal the top 10 most economical SUVs we've ever tested

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Real MPG: the least economical cars revealed

What Car?'s laboratory tests use a real-world driving route to show what fuel economy you can really expect. But what are the worst performing cars we've ever tested?

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2024 Autumn Budget: what it will mean for motorists

We scrutinise the Government's first budget to assess the impact it will have on motorists. Will it cost you more to run and refuel your car?

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Real MPG: most economical cars for town driving

What Car?'s Real MPG tests show what you can really expect from a car, and here we reveal the models that perform best if you do most of your driving on congested urban roads

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Real MPG: most economical petrol cars

Our Real MPG tests show what fuel economy you can really expect from a car. Here, we reveal the best and worst performing petrol-powered models we've ever tested

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Real MPG: most economical hybrid cars

Petrol prices remain extortionately high, but our independent fuel economy tests reveal the most efficient hybrid cars out there

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What is WLTP? Official economy and emissions tests explained

Official WLTP test figures for fuel economy, CO2 emissions and electric range can make a big impact on your car buying decision. Here’s what you need to know

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Real MPG: most economical small SUVs

What Car?'s Real MPG tests reveal the real fuel economy figures you can expect from a car. Here we reveal the best-performing small SUVs we've ever tested.

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Real MPG: most economical executive and luxury cars

What Car?'s Real MPG tests show what fuel economy you can really expect from a car. Here, we reveal the best and worst-performing executive and luxury cars we've tested

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Real MPG: most economical luxury cars

What Car?'s Real MPG tests show what fuel economy you can really expect from a car. Here, we reveal the best and worst-performing luxury cars and SUVs we've ever tested

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Real MPG: most economical cars with 1.0-litre engines

What Car?'s Real MPG tests show what you can really expect from a car – here we reveal the 10 most frugal cars with 1.0-litre petrol engines, plus those which will cost you most at the pumps

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Real MPG: the cars that beat official fuel economy figures

Official fuel economy figures are closer to reality than ever according to What Car?'s unique Real MPG testing, but some models do even better. Here are the 10 best, plus three that fell way short

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Real MPG: most economical estate cars

What Car?'s Real MPG tests show what fuel economy you can really expect from a car. Here, we reveal the best and worst performing estate cars we've ever tested