After all, why else would someone buy a fully developed 4.2-litre V8 with the 0-100km/h turn-of-foot of just 5.6 seconds. We are talking serious speed here. How about nought to 200km/h – in the Northern Territory or a private circuit, of course – in 20 seconds. Type V8-arrangement 8-cylinder with Double Overhead Camshafts and two-stage variable intake manifold Arrangement Front mounted Bore 3.33 in. 84.5 mm Stroke 3.65 in. 92.8 mm Displacement 254 cu. in. 4163 cc Compression ratio 11.0:1 Fuel requirement Premium unleaded 91 AKI / 95 RON recommended for maximum performance Horsepower (SAE) 340 hp 2008 Audi S4 quattro - Sedan 4.2L V8 AWD Manual 2-Door Cabriolet Automatic 4.2 2dr All-wheel Drive quattro Cabriolet 6-spd manual w/OD 4.2 4dr All-wheel Drive quattro Sedan 6-spd manual w/OD 4.2 Avant 4dr All-wheel Drive quattro Station Wagon 6-spd manual w/OD 5-Door Avant Wagon Automatic quattro - Convertible 4.2L V8 AWD auto quattro Audi A4 (B6) S4 Avant 4.2 Quattro Size, Dimensions, Aerodynamics and Weight. Wheelbase : 104.33 inches / 265.0 cm. Length : 180.31 inches / 458.0 cm. Width : Audi conservatively says the S4 will go 0-60 mph in 4.4 seconds, but the 2018 S4 we tested that did the sprint in 4.2 seconds. We look forward to seeing what our test team does with the 2020 model. Check out Audi S4 Avant Wagon review: BuzzScore Rating, price details, trims, interior and exterior design, MPG and gas tank capacity, dimensions. Pros and Cons of 2008 Audi S4 Avant: photos See pricing for the Used 2006 Audi S4 Quattro Sedan 4D. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 2006 Audi S4 Quattro Sedan 4D. Specs & Features. Reviews. See Trade Corrosion. 12 Years / Unlimited Miles. Drivetrain. 4 Years / 50,000 Miles. Roadside Assistance. 4 Years / Unlimited Miles. Check out the full specs of the 2008 Audi S4 Convertible 4.2 quattro gXqsZ.