2003 GMC Sierra vs. 2008 Aston Martin DB9
To start off, 2008 Aston Martin DB9 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 5,967 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Aston Martin DB9 (444 HP @ 6000 RPM) has 123 more horse power than 2003 GMC Sierra. (321 HP @ 5000 RPM) In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2003 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 380 kg more than 2008 Aston Martin DB9.
Because 2003 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2003 GMC Sierra 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, 2008 Aston Martin DB9 (570 Nm @ 5000 RPM) has 200 more torque (in Nm) than 2003 GMC Sierra. (370 Nm @ 4000 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Sierra.
Compare all specifications:
| 2003 GMC Sierra | 2008 Aston Martin DB9 | |
| Make | GMC | Aston Martin |
| Model | Sierra | DB9 |
| Year Released | 2003 | 2008 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 5934 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 444 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 370 Nm | 570 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1890 kg |
| Vehicle Length | 5790 mm | 4720 mm |
| Vehicle Width | 2000 mm | 1880 mm |
| Vehicle Height | 1850 mm | 1270 mm |
| Wheelbase Size | 3650 mm | 2750 mm |
| Fuel Consumption Overall | 13.1 L/100km | 17.4 L/100km |
| Fuel Tank Capacity | 117 L | 78 L |
