2007 Aston Martin DB9 vs. 2006 Pontiac Grand Prix
To start off, 2007 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2006 Pontiac Grand Prix would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (450 HP) has 250 more horse power than 2006 Pontiac Grand Prix. (200 HP). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2006 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 77 kg more than 2006 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 Aston Martin DB9 (570 Nm @ 5000 RPM) has 258 more torque (in Nm) than 2006 Pontiac Grand Prix. (312 Nm @ 4000 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2006 Pontiac Grand Prix.
Compare all specifications:
| 2007 Aston Martin DB9 | 2006 Pontiac Grand Prix | |
| Make | Aston Martin | Pontiac |
| Model | DB9 | Grand Prix |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 3786 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 450 HP | 200 HP |
| Torque | 570 Nm | 312 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 96.6 mm |
| Engine Stroke Size | 79.5 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1633 kg |
| Vehicle Length | 4720 mm | 5040 mm |
| Vehicle Width | 1890 mm | 1830 mm |
| Vehicle Height | 1320 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2810 mm |
| Fuel Consumption Highway | 13.1 L/100km | 7.8 L/100km |
| Fuel Consumption City | 18.1 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
