Skip advert
Advertisement

Bilt-Hamber Auto-Clay Medium clay bar

Great new clay from test winner fills the gap between its 'Regular' and 'Soft' options.

Bilt-Hamber Auto-Clay Medium clay bar

Price: £10.95 (200g)
Contact: 01277 658899, www.bilthamber.com

Winter weather means filthy bodywork. But while dirty water and mud can be easily shifted with a bucket and sponge, to remove contaminants such as brake dust before polishing you need a clay bar.

Bilt-Hamber’s Auto-Clay is our current favourite, and a new Medium smoothing clay bar has been added to the range to slot in between the Regular (our 2011 Best Buy) and Soft (for more frequent use) versions.

Advertisement - Article continues below

This bar is presented in a handy storage case, which prevents the clay from drying out and ensures it lasts longer.

We tore off a 15g chunk from the 200g bar, then set about our panel. The Bilt-Hamber doesn’t require a dedicated lubricant, just lots of water, so we kept the bonnet soaking wet while rubbing the clay back and forth. We then dried the bodywork with a microfibre cloth.

Afterwards, we ran a finger over the treated and untreated panels, and were impressed at how smooth the Auto-Clay had left our car. As you don’t need a lubricant, the £11 price equates to 55p per 10g of clay, so the Bilt-Hamber Medium is great value.

Verdict

Rating: ★★★★
What is it?
Bilt-Hamber's latest clay bridges the gap in its lineup between the Regular and Soft clay bars.
Problems?
Not as aggressive as rivals, no lubricant included.
Why buy?
Only need to use water to apply, great at shifting grime, top value for money.

Skip advert
Advertisement

New & used car deals

Renault Clio

Renault Clio

RRP £16,175Avg. savings £2,431 off RRP*Used from £6,595
Nissan Qashqai

Nissan Qashqai

RRP £27,435Avg. savings £5,965 off RRP*Used from £9,990
Volkswagen Tiguan

Volkswagen Tiguan

RRP £38,050Avg. savings £3,360 off RRP*Used from £11,142
Omoda 5

Omoda 5

RRP £24,040Avg. savings £1,535 off RRP*
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

New Audi Q4 e-tron facelift: electric SUV gets updated look and jump in range
Audi Q4 e-tron facelift - front action

New Audi Q4 e-tron facelift: electric SUV gets updated look and jump in range

The hugely popular Audi Q4 e-tron looks to back up its success with a timely update
News
27 Apr 2026
New Omoda 2 set to steal the Ford Puma’s thunder with £20k price tag
Omoda badge

New Omoda 2 set to steal the Ford Puma’s thunder with £20k price tag

One of the UK’s fastest-growing brands is aiming for the B-segment and its huge sales volumes
News
27 Apr 2026
New Zeekr 8X review: 1,381bhp plug-in hybrid SUV is an absolute tech-fest
New Zeekr 8X plug-in hybrid - front tracking

New Zeekr 8X review: 1,381bhp plug-in hybrid SUV is an absolute tech-fest

While the Zeekr 8X comes with huge levels of power, space and tech, it can't quite match its European rivals when it comes to its driving experience.
Road tests
25 Apr 2026