2005 BMW X5 vs. 2008 Aston Martin DB9
To start off, 2008 Aston Martin DB9 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 5,934 cc (12 cylinders), 2008 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2008 Aston Martin DB9 (444 HP @ 6000 RPM) has 89 more horse power than 2005 BMW X5. (355 HP @ 6200 RPM) In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 310 kg more than 2008 Aston Martin DB9.
Because 2005 BMW X5 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, 2005 BMW X5 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 80 more torque (in Nm) than 2005 BMW X5. (490 Nm @ 3600 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2005 BMW X5 | 2008 Aston Martin DB9 | |
| Make | BMW | Aston Martin |
| Model | X5 | DB9 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 5934 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 355 HP | 444 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 490 Nm | 570 Nm |
| Torque RPM | 3600 RPM | 5000 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 88.3 mm | 79.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 246 km/hour | 264 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 5.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2200 kg | 1890 kg |
| Vehicle Length | 4670 mm | 4720 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1760 mm | 1270 mm |
| Wheelbase Size | 2940 mm | 2750 mm |
| Fuel Consumption | 11.2 L/100km | 13.1 L/100km |
| Fuel Consumption City | 14.7 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 17.4 L/100km |
| Fuel Tank Capacity | 93 L | 78 L |
