2004 Opel Astra vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 3,786 cc (6 cylinders), 2005 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2005 Pontiac Bonneville (205 HP @ 5200 RPM) has 120 more horse power than 2004 Opel Astra. (85 HP @ 5400 RPM) In normal driving conditions, 2005 Pontiac Bonneville should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Bonneville weights approximately 333 kg more than 2004 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Pontiac Bonneville (312 Nm) has 173 more torque (in Nm) than 2004 Opel Astra. (139 Nm). This means 2005 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2004 Opel Astra | 2005 Pontiac Bonneville | |
| Make | Opel | Pontiac |
| Model | Astra | Bonneville |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 205 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 139 Nm | 312 Nm |
| Engine Bore Size | 79 mm | 97.1 mm |
| Engine Stroke Size | 81.5 mm | 86 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1315 kg | 1648 kg |
| Vehicle Length | 4290 mm | 5150 mm |
| Vehicle Width | 1720 mm | 1890 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2610 mm | 2800 mm |
| Fuel Tank Capacity | 52 L | 68 L |
