Comparison Porsche 911 Cabriolet (997) Carrera 4 3.6 (325 Hp) AWD Tiptronic S & GMC Sierra 3500HD III (GMT900) Crew Cab Long Box 6.0 V8 (360 Hp) DRW Automatic & Chrysler Voyager IV 2.4 i 16V (152 Hp)
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| Brand: | Porsche | GMC | Chrysler |
| Model: | 911 | Sierra 3500HD | Voyager |
| Generation: | 911 Cabriolet (997) | Sierra 3500HD III (GMT900) Crew Cab Long Box | Voyager IV |
| Engine / modification: | Carrera 4 3.6 (325 Hp) AWD Tiptronic S | 6.0 V8 (360 Hp) DRW Automatic | 2.4 i 16V (152 Hp) |
| Production start: | 2005 year | 2007 year | 2001 year |
| Production end: | 2008 year | 2010 year | 2008 year |
| Coupe type: | Cabriolet | Pick-up | Minivan |
| Powertrain Architecture: | Internal Combustion engine | ||
| Num. of Doors: | 2 | 4 | 5 |
| Num. of seats: | 4 | 5 | 7 |
| Fuel consumption / economy - urban: | 17.4 l/100 km | 11.8 l/100 km | |
| Fuel consumption / economy - extra urban: | 8.6 l/100 km | 9.8 l/100 km | |
| Fuel consumption / economy - combined: | 11.6 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.30 | ||
| Fuel tank volume: | 67 l | 129 l | 75 l |
| CO2 emissions: | 280 g/km | ||
| Power: | 325 hp | 360 hp | 152 hp |
| Max power in: | 6800 rpm. | 5400 rpm. | 5200 rpm. |
| Maximum speed: | 275 km/h | 180 km/h | |
| Acceleration from 0 to 100 km/h: | 5.8 sec | ||
| Torque: | 370 Nm @ 4250 rpm. | 515 Nm @ 4200 rpm. | 226 Nm/4000 rpm. |
| Model Engine: | M 96/05 | Vortec LY6 | |
| Engine position: | Rear, longitudinal | Front, transverse | |
| Engine displacement: | 3596 cm3 | 5967 cm3 | 2429 cm3 |
| Engine oil capacity: | 8.25 l | 5.7 l | |
| Coolant: | 32 l | 15.5 l | |
| Fuel System: | Multi-point injection | Multi-point injection | |
| Maximum engine speed: | 6000 rpm. | ||
| Aspiration / Turbine: | Naturally aspirated engine | ||
| Position of cylinders: | Boxer | Inline | |
| Valvetrain: | OHV | DOHC | |
| Number of cylinders: | 6 | 8 | 4 |
| Number of valves per cylinder: | 2 | 4 | |
| Compression ratio: | 11.3 | 9.6 | 9.4 |
| Piston Stroke: | 92 mm | 101 mm | |
| Cylinder Bore: | 101.6 mm | 87.5 mm | |
| Wheel Drive: | All wheel drive (4x4) | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 5 Tiptronic S | 4 | |
| Number of Gears (manual transmission): | 5 | ||
| Length: | 4427 mm | 6572 mm | 4805 mm |
| Width: | 1852 mm | 1995 mm | |
| Width including mirrors: | 2436 mm | ||
| Height: | 1310 mm | 1931 mm | 1750 mm |
| Wheelbase: | 2350 mm | 4242 mm | 2880 mm |
| Front track: | 1742 mm | 1600 mm | |
| Rear (Back) track: | 1897 mm | 1625 mm | |
| Ride height(clearance): | 233 mm | ||
| Minimum volume of Luggage (trunk): | 445 l | ||
| Maximum amount of Luggage (trunk): | 105 l | 2170 l | 4080 l |
| Front suspension: | McPherson | Independent torsion bar, double wishbone | The depreciated rack |
| Rear suspension: | Multi-link independent | The spring | |
| Max weight: | 1965 kg | 5171 kg | 2450 kg |
| Front brakes: | Ventilated discs | Ventilated discs | |
| Rear brakes: | Ventilated discs | Drum | |
| Kerb Weight: | 1575 kg | 2905 kg | 1750 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Cone worm with recirculation balls | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 10.9 m | ||
| Permitted trailer load with brakes (12%): | 5352 kg | ||
| Tire size: | 235/40 ZR18; 295/35 ZR18 | 265/75 R16; 265/70 R17; 225/75 R17 | 215/65 R16 |
| Wheel rims size: | 8J x 18; 11J x 18 | 6.5J x 17; 7J x 16; 7.5J x 17 |