2008 Opel Signum vs. 2005 Pontiac Grand Prix

To start off, 2008 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Grand Prix would be higher. At 3,786 cc (6 cylinders), 2005 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2005 Pontiac Grand Prix (200 HP) has 51 more horse power than 2008 Opel Signum. (149 HP) In normal driving conditions, 2005 Pontiac Grand Prix should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 36 kg more than 2005 Pontiac Grand Prix.

Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Opel Signum (315 Nm) has 17 more torque (in Nm) than 2005 Pontiac Grand Prix. (298 Nm). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Grand Prix.

Compare all specifications:

2008 Opel Signum 2005 Pontiac Grand Prix
Make Opel Pontiac
Model Signum Grand Prix
Year Released 2008 2005
Body Type Hatchback Sedan
Engine Position Front Front
Engine Size 1910 cc 3786 cc
Engine Cylinders 4 cylinders 6 cylinders
Engine Type in-line V
Valves per Cylinder 2 valves 2 valves
Horse Power 149 HP 200 HP
Torque 315 Nm 298 Nm
Engine Bore Size 82 mm 97 mm
Engine Stroke Size 90.4 mm 86 mm
Engine Compression Ratio 18.0:1 9.4:1
Drive Type Front Front
Number of Seats 5 seats 5 seats
Number of Doors 5 doors 4 doors
Vehicle Weight 1613 kg 1577 kg
Vehicle Length 4640 mm 5040 mm
Vehicle Width 1800 mm 1830 mm
Vehicle Height 1470 mm 1430 mm
Wheelbase Size 2840 mm 2810 mm
Fuel Consumption 5.1 L/100km 7.8 L/100km
Fuel Consumption City 7.8 L/100km 11.8 L/100km
Fuel Consumption Overall 6.1 L/100km 10.2 L/100km
Fuel Tank Capacity 60 L 64 L