2002 Aston Martin DB7 vs. 2003 Fiat Siena
To start off, 2003 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Aston Martin DB7. In addition, the cost of maintenance, including insurance, on 2002 Aston Martin DB7 would be higher. At 5,932 cc (12 cylinders), 2002 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2002 Aston Martin DB7 (450 HP @ 6000 RPM) has 351 more horse power than 2003 Fiat Siena. (99 HP @ 6000 RPM). In normal driving conditions, 2002 Aston Martin DB7 should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2002 Aston Martin DB7 weights approximately 750 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 2002 Aston Martin DB7 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 2002 Aston Martin DB7. 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, 2002 Aston Martin DB7 (577 Nm @ 5000 RPM) has 431 more torque (in Nm) than 2003 Fiat Siena. (146 Nm @ 4000 RPM). This means 2002 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2002 Aston Martin DB7 | 2003 Fiat Siena | |
| Make | Aston Martin | Fiat |
| Model | DB7 | Siena |
| Year Released | 2002 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5932 cc | 1596 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 99 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 577 Nm | 146 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 80.5 mm |
| Engine Stroke Size | 79.5 mm | 78.4 mm |
| Fuel Type | Gasoline | 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 | 1800 kg | 1050 kg |
| Vehicle Length | 4700 mm | 4110 mm |
| Vehicle Width | 1840 mm | 1630 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2380 mm |
