Skip advert
Advertisement

Degreasers

A degreaser shifts baked-on oil from engine bays. Here, we name the best buy from seven

Best degreaser - teaser image

Cleanliness is next to godliness as far as engine bays are concerned. Leave grease and grime under the bonnet and you not only get filthy when performing routine level and belt checks, but it's also very difficult to spot problems such as leaks, cracks and excessive wear and tear. A few minutes with a degreaser can make a huge difference, and once the oil has gone it's easy to keep the suspension, gearbox and other parts clear from dirt.

Advertisement - Article continues below

But which is the best one to maintain your motor's sparkle? We tested a variety of liquid cleaners - both conventional petroleum distillate-based degreasers and the environmentally friendlier biodegradable versions - in order to find the top choice.

Verdict

Our minor irritation at having to buy a larger pack of the Meguiar's cleaner was more than offset by the product's performance, which was nothing short of outstanding. Gunk's new engine degreasant formula proved highly effective, but Autoglym was close behind, with price alone pushing its product into third place.

Skip advert
Advertisement

New & used car deals

Toyota Yaris Cross
Hyundai Tucson

Hyundai Tucson

RRP £29,840Avg. savings £4,601 off RRP*Used from £12,273
MG MG4

MG MG4

RRP £27,005Avg. savings £2,450 off RRP*Used from £10,000
Nissan Juke

Nissan Juke

RRP £21,290Avg. savings £4,771 off RRP*Used from £6,390
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

New Polestar 2 will ‘beat’ BMW i3, according to dynamics boss
Polestar 2 - exclusive image

New Polestar 2 will ‘beat’ BMW i3, according to dynamics boss

The new Polestar 2 is set to morph into a true sports saloon – with strong emphasis on the sporty side of things
News
29 Sep 2026
Cupra Raval vs Renault 5: classy electric superminis go head-to-head
Cupra Raval vs Renault 5

Cupra Raval vs Renault 5: classy electric superminis go head-to-head

The sporty Cupra Raval is the first of the VW Group’s electric superminis on sale, but can it get the better of the retro-themed Renault 5
Car group tests
29 Sep 2026
New BMW i3 gets a huge £10k price cut with arrival of 40 xDrive model
BMW i3 50 xDrive - front 3/4

New BMW i3 gets a huge £10k price cut with arrival of 40 xDrive model

More details emerge of new i3 line-up, with 40 xDrive model providing a more affordable alternative to 50 xDrive launch edition
News
30 Sep 2026