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How to clean your car with a pressure washer

Top five pressure washers for cleaning your car

By Jade Harding

Article 2 of 2

Looking for a pressure washer that will blast dirt off your car windscreen? Which? tests have uncovered the best pressure washers for cleaning your car. 

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Whether you're cleaning a small car or a bulky caravan, the best pressure washers we've tested use plenty of force and are easy to handle.

When it comes to washing your car, using a pressure washer can save you plenty of time. The best we've tested effortlessly power through grime with the help of detachable car brushes or have long hoses which means you can cover every corner of a large vehicle.

Our expert pressure-washer tests have also highlighted plenty of options for buyers on a budget. In fact, our cheapest Best Buy pressure washer costs less than £200 - it has a powerful spray and is compatible with handy plug-in detergent bottles.

Only logged-in Which? members can view our recommendations in the table below. If you're not yet a member, you can get instant access by joining Which?.

The best pressure washers for cleaning your car


This excellent Best Buy pressure washer quickly and effortlessly cleans cars, and it comes with a nine-metre hose long enough to run around a caravan. If you can afford it, and often need to use a pressure washer, this model deserves a spot on your shortlist. A car brush head is sold as an optional extra.


This speedy pressure washer is ideal if you have a large, mucky patio to deal with. The patio cleaner attachment, included in the price, produces excellent results. This pressure washer is easy to use and has a good range of different jet strengths.


This Best Buy is very fast, has good cleaning power and is easy to use. It is a great choice for people who want to invest in a powerful, good-quality product because they have a large area or tough muck to clean. The Power Grip function works really well to reduce the pressure so that this machine can clean delicate surfaces gently.


This pressure washer has a nine-metre hose (great for cleaning a large vehicle) and an unusual function that lets you select seven different spray strengths using buttons in the handle. It's powerful when it needs to be, but also has a more delicate fan option. A car brush head is sold separately.


This high-scoring pressure washer is particularly speedy and boasts thorough cleaning power. It’s easy to assemble out of the box, and comes with a variable fan nozzle suitable for cleaning cars. A car brush head is sold as an optional extra.

Not found the right product for you? Browse all our pressure washer reviews

Useful pressure washer features for cleaning your car 

Here are two of the most useful features to look for when buying a new pressure washer: 

  • Variable jet nozzle: this will allow you to clean different parts of the car safely and without damaging them.  
  • Angled lance: can direct upwards so you can clean under the wheel arches.

For more top tips that will leave your car sparkling, see our guide on cleaning your car with a pressure washer.

Why Which? pressure washer reviews are better 

Which? is independent and doesn't accept advertising or freebies, so you can trust our reviews to give you the full, honest and impartial truth about a product. 

As part of our pressure-washer tests, we wash a one-metre square patch of several different types of surface including concrete, block paving, paving slabs, softwood decking and even a car. Checking how long it takes and rating how clean the surfaces are. Our tests also look at: 

  • How easy the pressure washer is to use. 
  • Which version performs better. 
  • How easy it is to move and store.
  • How well the additional and optional attachments work.

To find out more, head to how we test pressure washers