2006 Opel Astra vs. 2007 Pontiac Grand Prix
To start off, 2007 Pontiac Grand Prix is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 5,670 cc (8 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (303 HP @ 5600 RPM) has 199 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM) In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 163 kg more than 2007 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, 2007 Pontiac Grand Prix (438 Nm @ 4400 RPM) has 287 more torque (in Nm) than 2006 Opel Astra. (151 Nm @ 3900 RPM). This means 2007 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 2007 Pontiac Grand Prix has automatic transmission and 2006 Opel Astra has manual transmission. 2006 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Opel Astra | 2007 Pontiac Grand Prix | |
| Make | Opel | Pontiac |
| Model | Astra | Grand Prix |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 5670 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 104 HP | 303 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 151 Nm | 438 Nm |
| Torque RPM | 3900 RPM | 4400 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1515 kg | 1352 kg |
| Vehicle Length | 4480 mm | 5040 mm |
| Vehicle Width | 2030 mm | 1830 mm |
| Vehicle Height | 1840 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2810 mm |
| Fuel Consumption Overall | 7 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 52 L | 64 L |
