THE UK's only diesel-powered convertible, the new Audi A4 Cabriolet 2.5 TDI, will be available to order from tomorrow (August 16).

Powered by a revised 2.5-litre V6 TDI engine giving 163bhp and 39mpg, it costs £26,385 on the road in standard form, or £27,135 in Sport trim. Carbon dioxide emissions will be 194g/km with no variation for the optional continuously variable Multitronic transmission.