Feb 1, 2010
2004 Audi S4 Sedan / Avant Technical Specifications
Taken from manual content:
Technical Specifications 2004 Audi S4 Avant engine: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 @ 7000 rpm Max. Torque 302 lbs. ft. @ 3500 rpm engine design: Cylinder block Crankshaft Cylinder head Aluminum alloy Valve train / intake Intake camshaft adjustment, DOHC belt driven, hydraulic lifters
Firing order Cooling system Water-cooled, thermostatically controlled radiator fan Lubrication system Gear pump, pressurized, full flow with oil cooler
Fuel injection / Motronic 7.1.1: fully electronic sequential injection, hot-film air mass measurement, drive-by-wire throttle control, mapped
Ignition system ignition with solid-state high-voltage distribution, cylinder-selective adaptive knock control using four sensors
Emission system Two close-coupled primary and two underfloor main catalytic converters; adaptive lambda control with two heated oxygen
sensors before and two after the converter.Electrical system: Battery 12volts 95 amp/hr Alternator 14 volts 190 amp. Drivetrain: Transmissions Type quattro Manual 6-speed Automatic 6-speed…