2003 Opel Vectra vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra 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 31 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM) In normal driving conditions, 2005 Pontiac Bonneville should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 96 kg more than 2005 Pontiac Bonneville.
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, 2003 Opel Vectra (370 Nm) has 57 more torque (in Nm) than 2005 Pontiac Bonneville. (313 Nm). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Bonneville.
Compare all specifications:
| 2003 Opel Vectra | 2005 Pontiac Bonneville | |
| Make | Opel | Pontiac |
| Model | Vectra | Bonneville |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 174 HP | 205 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 370 Nm | 313 Nm |
| Engine Bore Size | 87.5 mm | 97 mm |
| Engine Stroke Size | 82 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 | 1764 kg | 1668 kg |
| Vehicle Length | 4830 mm | 5150 mm |
| Vehicle Width | 1800 mm | 1890 mm |
| Vehicle Height | 1510 mm | 1440 mm |
| Wheelbase Size | 2840 mm | 2800 mm |
| Fuel Consumption | 5.8 L/100km | 8.1 L/100km |
| Fuel Consumption City | 11 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 7.7 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 60 L | 68 L |
