In the face of ever-tightening emissions regulations, Cosworth stands alone in producing fully compliant, high-revving, naturally aspirated supercar engines. We ask: what’s its secret?

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Cosworth is something of a national treasure for us Brits, and it's really flexed its production car muscles of late by supplying the V12 powertrains for two of the finest hypercars in the world ...

Cosworth builds some of the best engines in the world. Here's one in a sensible, practical package. This rare Ford Sierra Cosworth takes the brand's European family sedan to another level.

A lot went into taking the Ford Sierra RS Cosworth from homologation special road car to fully paid-up race-ready weapon, which of course you can get the full lowdown on in our feature.

This 1989 Ford Sierra sedan and it offers just that: a turbocharged 2.0-liter four-cylinder engine from the keepers of the flame at Cosworth, and it's up for sale on Bring a Trailer (which, like Car ...

David Brabham – the only Aussie to compete in the Adelaide F1 race after Jones – is aboard the Brabham BT59 that he steered in the 1990 AGP. Also among the field are a pair of Arrows (A1B and A10B) ...