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Audi's diesel brute for SA

2007-11-29 07:39
Vehicle Specs
Manufacturer Audi
Model Q7
Engine 4.2 TDI
Power 240 kW @ 3750r/min
Torque 760 Nm @ 1800- 2500r/min
Transmission Six-speed tiptronic
Zero To Hundred 6.4 seconds
Top Speed 236 km/h
Fuel Tank 100 litres
Fuel Consumption 11.1 litres/100km
The most powerful diesel Audi, the Q7 4.2 TDI is heading to South Africa for market introduction in February next year.

The 4.2-litre capacity of the V8, which is overseas available in the A8 too, generates an output of 240 kW and 760 Nm of torque at engine speeds between 1 800 to 2 500 r/min.

This Q7 derivative accelerates from standstill to 100 km/h in 6.4 seconds and has a top speed of 236 km/h.

The Audi Q7 4.2 TDI transmits its power through a six-speed tiptronic gearbox and a sportily tuned quattro driveline.

Audi's "adaptive air suspension" is standard on the 4.2 TDI too.

The 8-cylinder diesel heralds from Audi's new V-engine family.

With a displacement of 4 134 cc, the large TDI has a maintenance-free chain drive on the gearbox side for its four camshafts and ancillaries.

The angle between the cylinder banks is 90 degrees, the cylinder spacing 90mm, the overall length just 520mm.

The crankcase is made of the high-tech material vermicular graphite cast iron. This forms the basis for the light weight of the engine - just 257kg.

The crankshaft is forged from chrome-molybdenum alloy steel while the cylinders are of cast aluminum.

Low-friction roller cam followers actuate the 32 valves; electronically actuated flaps give the intake air into a defined swirl.

Two turbochargers with variable-geometry turbines provide solid torque even at low engine speeds while still allowing a high power output. Large charge-air coolers reduce the temperature of the compressed air.

The common rail fuel injection system contains compact Piezo inline injectors that are extremely precise and fast switching. They are capable of up to five injection sequences per working cycle.

  • Price: R730 000
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