2008 Cadillac STS vs. 2006 Fiat Siena
To start off, 2008 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2006 Fiat Siena would be higher. At 4,376 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (469 HP @ 6400 RPM) has 369 more horse power than 2006 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 223 kg more than 2008 Cadillac STS.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2006 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS 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, 2008 Cadillac STS (595 Nm @ 3900 RPM) has 521 more torque (in Nm) than 2006 Fiat Siena. (74 Nm @ 5500 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2008 Cadillac STS has automatic transmission and 2006 Fiat Siena has manual transmission. 2006 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 | 2006 Fiat Siena | |
Make | Cadillac | Fiat |
Model | STS | Siena |
Year Released | 2008 | 2006 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 4376 cc | 1581 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 469 HP | 100 HP |
Engine RPM | 6400 RPM | 5500 RPM |
Torque | 595 Nm | 74 Nm |
Torque RPM | 3900 RPM | 5500 RPM |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1560 kg | 1783 kg |
Vehicle Length | 5030 mm | 3830 mm |
Vehicle Width | 1850 mm | 1640 mm |
Vehicle Height | 1480 mm | 1440 mm |
Wheelbase Size | 2960 mm | 2380 mm |
Fuel Consumption Overall | 15.7 L/100km | 8 L/100km |
Fuel Tank Capacity | 64 L | 54 L |