2003 Aston Martin DB7 vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Aston Martin DB7. In addition, the cost of maintenance, including insurance, on 2003 Aston Martin DB7 would be higher. At 5,935 cc (12 cylinders), 2003 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2003 Aston Martin DB7 (414 HP) has 119 more horse power than 2005 GMC Sierra. (295 HP). In normal driving conditions, 2003 Aston Martin DB7 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 440 kg more than 2003 Aston Martin DB7.
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, 2003 Aston Martin DB7 (550 Nm) has 96 more torque (in Nm) than 2005 GMC Sierra. (454 Nm). This means 2003 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2003 Aston Martin DB7 | 2005 GMC Sierra | |
| Make | Aston Martin | GMC |
| Model | DB7 | Sierra |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 5359 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 295 HP |
| Torque | 550 Nm | 454 Nm |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1875 kg | 2315 kg |
| Vehicle Length | 4720 mm | 5850 mm |
| Vehicle Width | 1830 mm | 2000 mm |
| Vehicle Height | 1240 mm | 1810 mm |
| Wheelbase Size | 2600 mm | 3650 mm |
| Fuel Tank Capacity | 89 L | 98 L |
