Audi S4
Audi's quattro four-wheel-drive system was standard on the C4 S4/S6; a first-generation Torsen-based system which used the "T-1" automatically biasing centre differential (ATB) was used on vehicles equipped with manual transmissions, while a transfer box based system was used on vehicles equipped with an automatic transmission.
Audi A1
Audi A1 Sportback Urban Style Limited (model DBA-8XCAX) is a limited (200 units) version of right hand drive Audi A1 Sportback 1.4 TFSI (122PS) with 7-speed S tronic transmission for Japan market, with bi-xenon package (bi-xenon headlight, automatic headlight range control, headlight washer, rear LED combination lamp), exclusive brilliant black grille, exclusive brilliant black contrast roof, S-line roof spoiler in exclusive brilliant black, brilliant black door mirror cover, exclusive decorative film, air conditioning vent sleeve in exclusive glacier white, exclusive sport seat in Herzklopfen cloth upholstery in black with rock grey stitching, advance door key with body colour cover (glacier white), exclusive floor mat with grey piping and white stitching, exclusive 5-arm design 7.5Jx17-inch aluminium wheel with inner rim in high gloss black, 215/40R17 tires.