2018 Mazda
6 Saloon
58,196 milesAutomaticPetrol2.5L
Cash £13,800
2021 Audi
A6
72,192 milesAutomaticDiesel2.0L
Cash £19,400
Used at the suggested dilution rate of just 50ml per litre, the Scrubb’s cleaning of our patches of grubby drive was behind that of some others in this test, but it is also exceptionally economical. Used neat on the oil patches, it excelled, however, and its other cleaning powers improved when the concentration was doubled – which still made it cheaper to use than most of its rivals here. It’s also friendlier on the environment, with a lower acid content. This means you can use a jet wash to help make cleaning easier, because it won’t damage its surroundings.
Spear & Jackson Path, Patio & Decking Cleaner
- Price: around £4.99
- Size: 5 litre
- Rating: 4.5 stars
- Contact: therange.co.uk
The headline attraction of the Spear & Jackson cleaner is the price. It’s less than £5 for a five-litre bottle, and the instructions say it can be diluted at up to a ratio of 1 to 4. It’s available in a selection of high street stores, too, so you don’t need to pay delivery. It did a great job clearing our driveway and contains chemicals to deter algae growth. But it lacks oil-busting ability.
Jennychem Patio & Driveway Cleaner
- Price: around £18
- Size: 5 litres
- Rating: 4 stars
- Contact: jennychem.com
It looks expensive at £18, especially compared to our top two cleaners, but the Jennychem cleaner can be diluted 1 to 4 to make it more economical, which goes some way to justify the cost. As does the cleaning power – we tried it at the suggested concentration, and it cleared