2009 Jaguar XF vs. 2009 Fiat Siena
To start off, both 2009 Jaguar XF and 2009 Fiat Siena were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,720 cc (6 cylinders), 2009 Jaguar XF is equipped with a bigger engine. In terms of performance, 2009 Jaguar XF (204 HP @ 4000 RPM) has 98 more horse power than 2009 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2009 Jaguar XF should accelerate faster than 2009 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XF weights approximately 676 kg more than 2009 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Jaguar XF 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 Jaguar XF. However, in wet, icy, snow, or gravel driving conditions, 2009 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 Jaguar XF (435 Nm @ 1900 RPM) has 295 more torque (in Nm) than 2009 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 Jaguar XF will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena. 2009 Jaguar XF has automatic transmission and 2009 Fiat Siena has manual transmission. 2009 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Jaguar XF will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Jaguar XF | 2009 Fiat Siena | |
| Make | Jaguar | Fiat |
| Model | XF | Siena |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2720 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 204 HP | 106 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 435 Nm | 140 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 86.5 mm |
| Engine Stroke Size | 88 mm | 67.4 mm |
| Engine Compression Ratio | 17.3:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8.4 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1771 kg | 1095 kg |
| Vehicle Length | 4970 mm | 3550 mm |
| Vehicle Width | 1880 mm | 1640 mm |
| Vehicle Height | 1470 mm | 1490 mm |
| Wheelbase Size | 2920 mm | 2370 mm |
| Fuel Consumption Overall | 7.5 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 69 L | 47 L |
