2007 Aston Martin DB9 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2007 Aston Martin DB9 would be higher. At 6,000 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (451 HP @ 5750 RPM) has 98 more horse power than 2009 GMC Sierra. (353 HP @ 5400 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2009 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 824 kg more than 2007 Aston Martin DB9.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2009 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 64 more torque (in Nm) than 2009 GMC Sierra. (506 Nm @ 4400 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Sierra. 2009 GMC Sierra has automatic transmission and 2007 Aston Martin DB9 has manual transmission. 2007 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Aston Martin DB9 | 2009 GMC Sierra | |
| Make | Aston Martin | GMC |
| Model | DB9 | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 6000 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 451 HP | 353 HP |
| Engine RPM | 5750 RPM | 5400 RPM |
| Torque | 570 Nm | 506 Nm |
| Torque RPM | 5000 RPM | 4400 RPM |
| Engine Compression Ratio | 10.3:1 | 9.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 2659 kg |
| Vehicle Length | 4720 mm | 5720 mm |
| Vehicle Width | 1880 mm | 2440 mm |
| Vehicle Height | 1280 mm | 1960 mm |
| Wheelbase Size | 2750 mm | 3380 mm |
| Fuel Consumption Overall | 17.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 78 L | 129 L |
