Technical Data For Engine
WM 1001IN Technical data for Cayenne V8 4.8-liter DFI naturally aspirated and turbo enginesInformation
Cayenne S automatic transmission
Engine data
Engine type M48/01
No. of cylinders 8
Valves/cylinder 4
Displacement 4,806 CM3 (293.3 in 3)
Bore 96 mm (3.78 in)
Stroke 83 mm (3.27 in)
Max. engine power (EU) 283 kW (385 HP)
Net power as per SAE J1 349 283 kW (380 HP) at engine speed 6200 rpm
Max. torque (EU) 500 Nm (kpm)
Max. torque (USA) 500 Nm (kpm) at engine speed 3500 rpm
Net torque as per SAE J1 349 369 ftlb.
Max. liter output 58.9 kW/l (80.5 HP/1)
Max. liter output 79.1 HP/l
Compression 12.5 (-0.6)
Idle speed 550 rpm (with gear engaged), 580 rpm (in neutral)
Max. engine speed, rpm limit 6700 rpm
Engine speed limitation via electronic accelerator and fuel cutoff Engine design
Type 8-cylinder, 90' V-engine
Crankcase Aluminum, in two parts (bed plate)
Crankshaft Forged, supported by 5 bearings
Crankshaft bearing Binary bearings, dia. 64 mm (2.36 in)
Connecting rod Forged, 1 = 157.4 mm (6.46 in.)
Connecting-rod bearing Binary bearings, dia. 54 mm (2.13 in)
Piston Aluminum, cast
Cylinder Aluminum/silicon running surface, silicon particles mechanically exposed
Cylinder head Aluminum, single-part, cross-flow cooling
Number/arrangement of intake valves per cylinder 2/suspended in parallel
Number/arrangement of outlet valves per cylinder 2/suspended in parallel
Intake valve diameter 38.3mm (1.51 in)
Outlet valve diameter 33 mm (1.30 in)
Intake valve lift 10 mm (0.39 in)
Outlet valve lift 9.85 mm (0.388 in)/9.20 mm (0.368 in)
Valve control Hydraulic flat-base tappets with intake-valve lift switching
Valve clearance Hydraulic valve clearance compensation
Camshaft Chilled cast iron, hollow-cast
Camshaft drive Duplex chain
Intake camshaft adjustment Rotary vane actuator, 250 camshaft, continuously adjustable
Timing: Intake valve opens 28.50 before TDC/21.50 after TDC
Timing: Intake valve closes 10.50 after BDC/60.50 after BDC
Timing: Outlet valve opens 33.50 before BDC/23.50 before TDC
Timing: Outlet valve closes 6.50 before TDC/6.50 after TDC
Switching rpm Map-controlled
Intake system Plastic intake manifold
Engine cooling
Cooling system type/installation position Front radiator
No. of radiators 1
Fans 1 DC + 1 DC
Engine lubrication
Type Integrated dry sump
Oil cooling Oil/water heat exchanger
Oil filter On pressure side behind oil pump
Oil pressure at n = 5000 rpm; at approx. 90°C (194°F) 4.5 bar (65.27 psi)
Oil pressure indicator Oil pressure warning light
Oil consumption 1.0 1/1000 km
Exhaust system
Exhaust system design Twin-pipe exhaust system with 2 pre- and 2 main catalytic converters, front and rear silencers (USA: 80 dB exhaust system) Emission control system
EURO IV M1 G (passenger vehicle) Oxygen sensor closed-loop control, post-catalytic converter control (4 sensors); 3-way catalytic converter with 2 pre- and 2 main catalytic converters (bank 1-4 and 5-8); (pre-catalytic converter ceramic carrier, main catalytic converter metallic carrier) EOBD
USA FED TIER 2 CAL LEV 2 Different from EURO IV LEV 2/LEV OBD II/ORVR Fuel system
Injection system DME Siemens EMS SDI 4.1
Fuel supply 2 electric fuel pumps with requirement-/filling-capacity-dependent activation of second pump, 2 supply-driven sucking jet pumps
Fuel system Returnless
Electrical system
Nominal voltage 12 V
Battery capacity 95 Ah (450 A)
Starter power 1.9 kW
Generator power 2660
Engine control
Engine control unit Siemens SDI 4.1
Ignition Single-spark ignition modules
Firing order 1-3-7-2-6-5-4-8
Spark plugs Bosch FGR 5 NQE
Electrode gap 1.6 mm (0.063 in)
Electronic accelerator Bosch DVE 5 electronic accelerator
USA LEV version On-Board Diagnosis II (OBD II)
EURO IV EURO IV On-Board Diagnosis (EOBD)
Engine weight
Engine weight as per DIN 70020 217 kg (478.4 lbs)
Filling capacities
Engine oil specification, Europe DW-40 Mobil 1 (Porsche approval list)
Engine oil specification, USA/RoW DW-40 Mobil 1 (Porsche approval list)
Engine oil change quantity 8.5 l (1.76 imp. gal)
Engine oil change quantity with filter change 9.0 l (1.87 imp. gal)
Fuel tank incl. reserve 100 l (22.00 imp. gal)
Fuel tank reserve 15 l (3.30 imp. gal)
Cooling water 18 1 to 21 l (3.96 imp. gal to 4.62 imp. gal) (depending on equipment)