2003 Pontiac Bonneville vs. 2008 Subaru Impreza
To start off, 2008 Subaru Impreza is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 2003 Pontiac Bonneville would be higher. At 4,565 cc (8 cylinders), 2003 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2003 Pontiac Bonneville (275 HP @ 5600 RPM) has 117 more horse power than 2008 Subaru Impreza. (158 HP @ 6400 RPM). In normal driving conditions, 2003 Pontiac Bonneville should accelerate faster than 2008 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Bonneville weights approximately 409 kg more than 2008 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2003 Pontiac Bonneville. In wet, icy, snow, or gravel driving conditions, 2008 Subaru Impreza will offer significantly more control. 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 Pontiac Bonneville (298 Nm @ 4000 RPM) has 112 more torque (in Nm) than 2008 Subaru Impreza. (186 Nm @ 3200 RPM). This means 2003 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2008 Subaru Impreza.
Compare all specifications:
| 2003 Pontiac Bonneville | 2008 Subaru Impreza | |
| Make | Pontiac | Subaru |
| Model | Bonneville | Impreza |
| Year Released | 2003 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1992 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 158 HP |
| Engine RPM | 5600 RPM | 6400 RPM |
| Torque | 298 Nm | 186 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 93.1 mm | 92 mm |
| Engine Stroke Size | 84 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 11.1:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1719 kg | 1310 kg |
| Vehicle Length | 5150 mm | 4470 mm |
| Vehicle Width | 1890 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2790 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 60 L |
