Which? is calling on car manufacturers to improve the reliability of electric vehicles (EV) after the consumer champion found EVs are the least reliable fuel type and spend longer off the road than other cars when they need repairs

Every car we review is subjected to hundreds of tests in our lab and on the road. Find out why you can trust our reviews, and how they help you choose the best car (and avoid the worst)

Buying an older car needn't be a lottery. Our data shows that there are many decade-old cars out there that should offer years of trouble-free motoring

Looking for a reliable car? Based on a survey of over 70,000 cars, we can reveal the most and least reliable car brands for 2025

Over the next two decades, households will have to make significant changes to the way that they heat their homes in order to meet the UK's net zero commitments. Installing new heating and insulation can be costly and complex so it is important that consumers can easily find reliable and qualified installers. This report calls for the government to introduce mandatory certification of installers in these markets to make the process of choosing an installer easier, improve the quality of installations and protect consumers from harm

Vaillant is a premium gas boiler brand, but our survey reveals whether its pricey boilers have the quality to make them worth the spend

We reveal the models that are least likely to lead to lengthy trips to the garage

Our experts take a closer look at the issues to consider, including depreciation and the forthcoming ban on petrol and diesel models

Find out more about how Which? assesses boiler brands to reveal the best and worst boilers

Looking for a car that won't let you down? Whether you're after a new or used model, our unique survey of more than 70,000 cars reveals the most reliable vehicles in the UK