Here are the best-selling pressure washers, last updated June 2012
Number 1: AR Blue Clean AR383 1,900 PSI 1.5 GPM 14 Amp Electric Pressure Washer with Hose Reel
Average Customer Rating: 4.0 out of 5
Rating: 
The AR Blue Clean AR383 has been the best-selling pressure washer for a long time. It is a powerful electric pressure washer and comes with all the accessories you need for cleaning tasks around the house. Like many other pressure washers, leaking can be a problem. Fortunately, in most cases this is easily fixed by replacing the cheap plastic hose adapter with a brass model. You can read more about the AR Blue Clean AR383 here.
Number 2: AR Blue Clean AR118 1,500 PSI 1.5 GPM Hand Carry Electric Pressure Washer
Average Customer Rating: 4.1 out of 5
Rating:
The Blue Clean AR118 is not as powerful as the larger pressure washer but the compact size makes it very portable. It is powerful enough for most tasks around the house. It is a very interesting model if you are looking for a portable pressure washer. You can read more about the AR Blue Clean AR118 Pressure Washer here
Number 3: Generac 6022/5989 2,700 PSI 2.3 GPM 196cc OHV Gas Powered Pressure Washer
Average Customer Rating: 4.1 out of 5
Rating:
The Generac 6022/5989 is one of the cheapest gas powered pressure washer. It is not as powerful as the commercial pressure washers but it is certainly good enough for all normal tasks around the house. If you want a gas powered pressure washer, the Generac 6022/5989 will give you the best value for your money. Here you can read more about the Generac 6022/5989 pressure washer
Number 4: Karcher K 5.540 X-Series 2000-PSI 1.4-GPM Electric Pressure Washer with 25-Foot Hose and Hose Reel
Average Customer Rating: 3.7 out of 5
Rating: 
The Karcher K 5.540 is a very powerful electric pressure washer. It is more expensive than most electric pressure washers but it is also one of the most powerful models. The best choice for those who need a powerful electric pressure washer. Here you can read more about the Karcher K 5.540 pressure washer
Number 5: Dirt Devil ND40010 Pressure Flex 2,000 PSI 1.6 GPM Electric Pressure Washer with 19-Foot Hose
Average Customer Rating: 3.8 out of 5
Rating:
The Dirt Devil ND40010 Pressure Flex gives you good value for the money. It is significantly cheaper than the Blue Clean AR383, without being much worse. If you want a cheap but good pressure washer, then you should have a closer look at the Dirt Devil ND40010. You can read more about the Dirt Devil ND40010 pressure washer here
Here you can read our Blue Clean AR383 pressure washer review