2003 BMW X5 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 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 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 106 more horse power than 2003 BMW X5. (338 HP @ 6100 RPM) In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2003 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 305 kg more than 2008 Aston Martin DB9.
Because 2003 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, 2003 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 170 more torque (in Nm) than 2003 BMW X5. (400 Nm @ 3700 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X5.
Compare all specifications:
| 2003 BMW X5 | 2008 Aston Martin DB9 | |
| Make | BMW | Aston Martin |
| Model | X5 | DB9 |
| Year Released | 2003 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5934 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 444 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 400 Nm | 570 Nm |
| Torque RPM | 3700 RPM | 5000 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 82.7 mm | 79.5 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Top Speed | 240 km/hour | 264 km/hour |
| Acceleration 0-100mph | 7 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 | 2195 kg | 1890 kg |
| Vehicle Length | 4670 mm | 4720 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1720 mm | 1270 mm |
| Wheelbase Size | 2730 mm | 2750 mm |
| Fuel Consumption | 10.4 L/100km | 13.1 L/100km |
| Fuel Consumption City | 18.3 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 13.3 L/100km | 17.4 L/100km |
| Fuel Tank Capacity | 93 L | 78 L |
