2003 Buick Rainier vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2003 Buick Rainier would be higher. At 5,300 cc (8 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2003 Buick Rainier (286 HP @ 5200 RPM) has 186 more horse power than 2009 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2003 Buick Rainier should accelerate faster than 2009 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 1131 kg more than 2009 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2009 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier 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, 2003 Buick Rainier (441 Nm @ 4000 RPM) has 367 more torque (in Nm) than 2009 Fiat Siena. (74 Nm @ 5500 RPM). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2003 Buick Rainier | 2009 Fiat Siena | |
| Make | Buick | Fiat |
| Model | Rainier | Siena |
| Year Released | 2003 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 1581 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 286 HP | 100 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 441 Nm | 74 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2205 kg | 1074 kg |
| Vehicle Length | 4920 mm | 3550 mm |
| Vehicle Width | 1920 mm | 1640 mm |
| Vehicle Height | 1900 mm | 1440 mm |
| Wheelbase Size | 2880 mm | 2380 mm |
