2005 Buick Terraza vs. 2003 Fiat Siena
To start off, 2005 Buick Terraza is newer by 2 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 3,491 cc (6 cylinders), 2005 Buick Terraza is equipped with a bigger engine. In terms of performance, 2005 Buick Terraza (200 HP) has 101 more horse power than 2003 Fiat Siena. (99 HP). In normal driving conditions, 2005 Buick Terraza should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Terraza weights approximately 978 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.
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, 2005 Buick Terraza (298 Nm) has 152 more torque (in Nm) than 2003 Fiat Siena. (146 Nm). This means 2005 Buick Terraza will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena. 2005 Buick Terraza has automatic transmission and 2003 Fiat Siena has manual transmission. 2003 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Buick Terraza will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Buick Terraza | 2003 Fiat Siena | |
| Make | Buick | Fiat |
| Model | Terraza | Siena |
| Year Released | 2005 | 2003 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3491 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 99 HP |
| Torque | 298 Nm | 146 Nm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2028 kg | 1050 kg |
| Vehicle Length | 5210 mm | 4110 mm |
| Vehicle Width | 1920 mm | 1630 mm |
| Vehicle Height | 1840 mm | 1470 mm |
| Wheelbase Size | 3080 mm | 2380 mm |
