Washing a car with a pressure washer requires around 1 900 2 800 cleaning units.
Car wash power washer psi.
For cashing washing we recommend that you use a psi of up to 1200 to 2100.
For any car you need to choose a pressure washer which emits water with a pound per square inch psi amount of 1200 to 2200.
See the table below to compare cleaning units between a hose and a pressure washer.
Anything more than 1900 psi or at best 2000 psi can damage the paint job on your car.
In general gas pressure washers have a much stronger cleaning capacity and are too strong for light jobs such as washing a car or truck.
The recommended pressure that you should use is around 1200 psi.
Gas powered pressure washers produce around twice the maximum pressure up to 5 000 psi but really is a little overkill unless you plan to wash your driveway or porch.
Benefits of pressure washing your vehicle.
This is a rookie mistake that a lot of beginners make when they first use pressure washers.
However don t go higher than 2100 psi.
Since professional detailers recommend you limit pressure to around 1 500 psi for washing your car a 1 600 psi pressure washer is ideal if that is going to be your main use for it.
If you think it s too weak you can increase the pressure a bit more.
Take note though that some cars scratch more easily than others so what you can do is start with 1200.
You can purchase both electric and gas powered pressure washers.
2 if the vehicle is extremely dirty power wash the heavy dirt off before applying the detergent.
In the same way anything below 1200 psi will not be forceful enough to clean your car properly.
Pressure washers are far more efficient than garden hoses and use less water.
1 500 psi electric pressure washer light duty models that generate up to 1 500 psi are mainly designed to wash things like bbq grills bikes scooters and cars.
Don t use too much pressure on cars.
I recently reviewed 5 of my favorite electric pressure washers for detailing that i thought were great for beginners on a budget.
At this level chipping the paint job on your vehicle is virtually impossible.
Get a pressure washer that is rated at a minimum of 2200 psi 4 0 gpm minimum unless brushing.
The ar blue clean ar83 electric pressure washer has some uncanny similarity to the ivation we shared above except that the annovi reverberi product comes with a more powerful 1900 psi rating and a larger volume 1 5 gpm capacity.