2006 Aston Martin DB9 vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2006 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2006 Aston Martin DB9 would be higher. At 5,932 cc (12 cylinders), 2006 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2006 Aston Martin DB9 (450 HP @ 6000 RPM) has 350 more horse power than 2010 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2006 Aston Martin DB9 should accelerate faster than 2010 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Aston Martin DB9 weights approximately 636 kg more than 2010 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Aston Martin DB9 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2010 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Aston Martin DB9 (570 Nm @ 5000 RPM) has 496 more torque (in Nm) than 2010 Fiat Siena. (74 Nm @ 5500 RPM). This means 2006 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena.
Compare all specifications:
| 2006 Aston Martin DB9 | 2010 Fiat Siena | |
| Make | Aston Martin | Fiat |
| Model | DB9 | Siena |
| Year Released | 2006 | 2010 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5932 cc | 1581 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 100 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 570 Nm | 74 Nm |
| Torque RPM | 5000 RPM | 5500 RPM |
| Engine Bore Size | 89.1 mm | 86.4 mm |
| Engine Stroke Size | 79.5 mm | 67.4 mm |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5.1 seconds | 11.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1074 kg |
| Vehicle Length | 4720 mm | 3550 mm |
| Vehicle Width | 1880 mm | 1640 mm |
| Vehicle Height | 1320 mm | 1440 mm |
| Wheelbase Size | 2750 mm | 2380 mm |
| Fuel Consumption Overall | 15.7 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 83 L | 54 L |
