2006 Fiat Siena vs. 2009 Lexus GS
To start off, 2009 Lexus GS is newer by 3 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 2,993 cc (6 cylinders), 2009 Lexus GS is equipped with a bigger engine. In terms of performance, 2009 Lexus GS (246 HP @ 6200 RPM) has 145 more horse power than 2006 Fiat Siena. (101 HP @ 5500 RPM) In normal driving conditions, 2009 Lexus GS should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 163 kg more than 2009 Lexus GS.
Because 2009 Lexus GS 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 2009 Lexus GS. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2009 Lexus GS (310 Nm @ 3500 RPM) has 170 more torque (in Nm) than 2006 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 Lexus GS will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2009 Lexus GS 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. 2009 Lexus GS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Fiat Siena | 2009 Lexus GS | |
| Make | Fiat | Lexus |
| Model | Siena | GS |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 101 HP | 246 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 140 Nm | 310 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86.4 mm | 87.5 mm |
| Engine Stroke Size | 67.4 mm | 83 mm |
| Engine Compression Ratio | 9.5:1 | 11.5:1 |
| Top Speed | 184 km/hour | 240 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 7.2 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1783 kg | 1620 kg |
| Vehicle Length | 3830 mm | 4860 mm |
| Vehicle Width | 1640 mm | 1830 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2380 mm | 2860 mm |
| Fuel Consumption Overall | 8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 54 L | 71 L |
