2004 Aston Martin DB9 vs. 2003 Fiat Siena
To start off, 2004 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 5,935 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (454 HP @ 6000 RPM) has 384 more horse power than 2003 Fiat Siena. (70 HP @ 5750 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 696 kg more than 2003 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2004 Aston Martin DB9 (570 Nm @ 5000 RPM) has 475 more torque (in Nm) than 2003 Fiat Siena. (95 Nm @ 4000 RPM). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2004 Aston Martin DB9 | 2003 Fiat Siena | |
| Make | Aston Martin | Fiat |
| Model | DB9 | Siena |
| Year Released | 2004 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 999 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 454 HP | 70 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 570 Nm | 95 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1716 kg | 1020 kg |
| Vehicle Length | 4720 mm | 4110 mm |
| Vehicle Width | 1880 mm | 1630 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2380 mm |
