2005 Fiat Siena vs. 2011 Lexus IS
To start off, 2011 Lexus IS is newer by 6 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 2,500 cc (6 cylinders), 2011 Lexus IS is equipped with a bigger engine. In terms of performance, 2011 Lexus IS (204 HP @ 6400 RPM) has 80 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM) In normal driving conditions, 2011 Lexus IS should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2011 Lexus IS weights approximately 472 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 2011 Lexus IS is all wheel drive (AWD), it will have significant more traction and grip than 2005 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2011 Lexus IS 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, 2011 Lexus IS (251 Nm @ 4800 RPM) has 111 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2011 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 2011 Lexus IS 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. 2011 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 Fiat Siena | 2011 Lexus IS | |
Make | Fiat | Lexus |
Model | Siena | IS |
Year Released | 2005 | 2011 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1585 cc | 2500 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 124 HP | 204 HP |
Engine RPM | 4000 RPM | 6400 RPM |
Torque | 140 Nm | 251 Nm |
Torque RPM | 4000 RPM | 4800 RPM |
Drive Type | Front | AWD |
Transmission Type | Manual | 6-speed automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1095 kg | 1567 kg |
Wheelbase Size | 2450 mm | 2731 mm |
Fuel Tank Capacity | 47 L | 65 L |