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Does a 7 year old RS6 still make 550 horsepower?
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The 4.0 V8 in the Audi RS6 made 552 horsepower from the factory. This one is completely standard, so ignoring Audi's crappy servicing quality it should still have all of those horses. We took the car to Performance Logic Scotland to find out what's what.
Audi's CRDB engine was a 4.0-litre V8 petrol engine with two twin-scroll turbochargers that powered the Audi C6 RS6 and RS7 Sportback. Manufactured in Gyor, Hungary, the CRDB engine was related to the CGTA engine which powered the Audi D4 S8 and the CEUC engine which powered the Audi C7 S6 and S7 Sportback. Key features of the CRDB engine included its:
Hypereutectic aluminium-silicon alloy block with 90-degree ‘V’ angle;
Forged steel crankshaft;
Aluminium alloy cylinder head with ‘hot side in’ design;
Twin-turbochargers mounted in the inner ‘V’ which provided relative boost pressure of up to 1.2 bar;
Double overhead camshafts with variable intake and exhaust camshaft timing;
Chain drives located at the back of the engine;
Cylinder deactivation system (or cylinder on demand);
Start-stop system;
Direct fuel injection (Audi’s ‘Fuel Stratified Injection’ or FSI);
Compression ratio of 10.1:1;
Bosch MED 17.1.1 engine management;
Double air-gap insulated exhaust manifolds; and,
Active engine mounts.
#RS6
Audi's CRDB engine was a 4.0-litre V8 petrol engine with two twin-scroll turbochargers that powered the Audi C6 RS6 and RS7 Sportback. Manufactured in Gyor, Hungary, the CRDB engine was related to the CGTA engine which powered the Audi D4 S8 and the CEUC engine which powered the Audi C7 S6 and S7 Sportback. Key features of the CRDB engine included its:
Hypereutectic aluminium-silicon alloy block with 90-degree ‘V’ angle;
Forged steel crankshaft;
Aluminium alloy cylinder head with ‘hot side in’ design;
Twin-turbochargers mounted in the inner ‘V’ which provided relative boost pressure of up to 1.2 bar;
Double overhead camshafts with variable intake and exhaust camshaft timing;
Chain drives located at the back of the engine;
Cylinder deactivation system (or cylinder on demand);
Start-stop system;
Direct fuel injection (Audi’s ‘Fuel Stratified Injection’ or FSI);
Compression ratio of 10.1:1;
Bosch MED 17.1.1 engine management;
Double air-gap insulated exhaust manifolds; and,
Active engine mounts.
#RS6
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