2009 Audi A8 vs. 2005 Pontiac Bonneville
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Bonneville would be higher. At 4,572 cc (8 cylinders), 2005 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2005 Pontiac Bonneville (275 HP) has 19 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 2005 Pontiac Bonneville should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Bonneville weights approximately 559 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Pontiac Bonneville. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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, 2005 Pontiac Bonneville (407 Nm) has 77 more torque (in Nm) than 2009 Audi A8. (330 Nm). This means 2005 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2005 Pontiac Bonneville | |
| Make | Audi | Pontiac |
| Model | A8 | Bonneville |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4572 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 275 HP |
| Torque | 330 Nm | 407 Nm |
| Engine Compression Ratio | 13.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1719 kg |
| Vehicle Length | 5060 mm | 5150 mm |
| Vehicle Width | 1900 mm | 1890 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 2950 mm | 2860 mm |
| Fuel Consumption Overall | 11 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 68 L |
