We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Coronavirus Read our latest advice
Plug-in hybrid cars use more fuel than official figures claim

Plug-in hybrid cars use more fuel than official figures claim

Which? tests have revealed that motorists could be paying up to £400 more in fuel per year, on average, compared to plug-in hybrid car manufacturers' own official fuel claims

Posted on
Supermarket petrol quality: what you need to know

Supermarket petrol quality: what you need to know

Supermarket petrol - what's in it and how does supermarket petrol quality compare to branded petrol?

Posted on
Six things you need to watch out for when buying a new car

Six things you need to watch out for when buying a new car

Post-lockdown, have you had to return to driving a car that’s well past its use-by date? If now’s the time to upgrade your motor, avoid making a purchase you’ll later...

Posted on
Were you overcharged for fuel during lockdown?

Were you overcharged for fuel during lockdown?

Analysis by Which? shows fuel prices, even at supermarket petrol stations, were too high during lockdown. How can you spend less on fuel?

Posted on
Family cars tested: Should you get a petrol, diesel or hybrid?

Family cars tested: Should you get a petrol, diesel or hybrid?

Many family cars can now be bought as either a petrol, diesel or hybrid model, and some car manufacturers have even ditched diesel from their ranges altogether. So which is...

Posted on
Which? tests reveal the most polluting cars and the most economical

Which? tests reveal the most polluting cars and the most economical

We've discovered diesel cars that produce fewer harmful NOx emissions than the average petrol car. Plus two petrol-hybrids that are as fuel efficient as a diesel car on the motorway.

Posted on
How much is your car really costing you?

How much is your car really costing you?

Motoring costs have risen by as much as 37% for some. Which? research shows you how to buy the most reliable and fuel-efficient car.

Posted on
Would your car pass the new fuel and emission tests?

Would your car pass the new fuel and emission tests?

New tests that aim to bring about more realistic fuel economy and emission figures, and hopefully stop another Volkswagen emission scandal, are now law. For years we’ve complained and campaigned...

Posted on
Back to top
Back to top