2004 Buick Regal vs. 2002 Fiat Siena
To start off, 2004 Buick Regal is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2002 Fiat Siena would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (201 HP @ 5200 RPM) has 79 more horse power than 2002 Fiat Siena. (122 HP @ 5250 RPM). In normal driving conditions, 2004 Buick Regal should accelerate faster than 2002 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 206 kg more than 2002 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Buick Regal (305 Nm) has 218 more torque (in Nm) than 2002 Fiat Siena. (87 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2002 Fiat Siena.
Compare all specifications:
| 2004 Buick Regal | 2002 Fiat Siena | |
| Make | Buick | Fiat |
| Model | Regal | Siena |
| Year Released | 2004 | 2002 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1089 cc |
| Horse Power | 201 HP | 122 HP |
| Engine RPM | 5200 RPM | 5250 RPM |
| Torque | 305 Nm | 87 Nm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1344 kg |
