Audi S4
Acceleration from a standstill to takes 5.1 seconds for the saloon with manual gearbox, the Avant one tenth of a second slower at 5.2 seconds. The same dash to 100 km/h in the saloon with S tronic takes 5.3 seconds, and the Avant at 5.4 seconds. The top speed is electronically limited to . However, a comparison in the American automotive magazine "Road & Track" showed the sprint from 0 to 60 mph in only 4.5 seconds for the 6-speed manual transmission. With figures like these, the B8 S4 accelerates more quickly than its V8-engined predecessors. Audi of America claims that the version of the S4 achieves 28 highway miles per gallon, and a 0 to acceleration time of 4.9 seconds with the manual transmission and 5.1 seconds with the S tronic. Fuel consumption is rated at a combined . Therefore, the B8 S4, unlike the V8-powered B6/7 models, avoids the US gas guzzler tax. The B8 S4's 3.0 TFSI engine also gets only 1 m.p.g. less than the base 2.0 TFSI engine. This is one of the most important reasons for Audi to downsize their engines, while keeping the output equivalent better, by using forced-induction such as supercharging or turbocharging.
Audi A3
The Audi RS 3 is derivative of the A3 Sportback with a 5-cylinder, turbocharged engine rated at and , vermicular-graphite cast iron crankcase, seven-speed S tronic transmission with two automatic modes and one manual mode, Quattro on-demand four-wheel drive system, widened track to , MacPherson strut in aluminum, lowered body by , 19-inch cast aluminum wheels in machine-polished titanium styling (optional black with a red rim flange) with 235/35 front and 225/35 rear tires, front and ventilated brake discs, aluminum brake disk covers, four-piston fixed calipers in high-gloss black with RS logos, electronic stabilization program with Sport mode, flared front fenders made of carbon-fiber-reinforced plastic (CFRP), prominent sill panels and exterior-mirror casings in matte aluminum, roof spoiler, high-gloss black diffuser insert, two elliptical exhaust tailpipes on the left, black interior, sports seats upholstered in Nappa leather with silver contrasting stitching, inlays in Piano black finish or Aluminum Race colour, flat-bottomed leather multifunction sports steering wheel, choice of 5 body colors are available with an unlimited selection of custom paint finishes. It's acceleration is quoted as in 4.6 seconds, with an electronically limited top speed of . Optional features included front bucket seats, roof rails in matte aluminum look, styling packages in black or matte aluminum.