2008 Cadillac STS vs. 2005 Fiat Siena
To start off, 2008 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2005 Fiat Siena would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 251 more horse power than 2005 Fiat Siena. (70 HP @ 5750 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 792 kg more than 2005 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS 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 2008 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 332 more torque (in Nm) than 2005 Fiat Siena. (95 Nm @ 4000 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 2008 Cadillac STS has automatic transmission and 2005 Fiat Siena has manual transmission. 2005 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
2008 Cadillac STS | 2005 Fiat Siena | |
Make | Cadillac | Fiat |
Model | STS | Siena |
Year Released | 2008 | 2005 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 4565 cc | 999 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 321 HP | 70 HP |
Engine RPM | 6400 RPM | 5750 RPM |
Torque | 427 Nm | 95 Nm |
Torque RPM | 4400 RPM | 4000 RPM |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1812 kg | 1020 kg |
Vehicle Length | 4990 mm | 4110 mm |
Vehicle Width | 1850 mm | 1630 mm |
Vehicle Height | 1470 mm | 1470 mm |
Wheelbase Size | 2960 mm | 2380 mm |