Audi S4 New S4 drops V8 engine for supercharged V6. evo magazine reviews the supercharged V6 Audi S4. Skip to Content Skip to The previous S4 had a 4.2-litre V8 engine as well as the expected
AUDI S4 and RS 4 AVANT; Base price: $122,500 (S4), $153,500 (RS4) * Road test review: Audi RS Q8 * Road test review: Audi RS Q3 and RS Q3 Sportback * Strength in numbers for Audi RS models Everything you need to know about each trim in the 2007 Audi S4 lineup, all in one place. Car Reviews. Best Cars; KBB Expert Reviews; Electric Vehicle Guide; V8, 4.2 Liter. Cargo VolumeAPR Stage 1. The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 352 HP and 362 FT-LBS of torque with gains as high as +15 HP and +14 FT-LBS of torque at the wheels. APR Stage 1 is available for 91 AKI and 93 AKI in North America and 95 RON and 98 RON in the Rest of the World.8JZE0wf.