2003 Alfa Romeo 166 vs. 2009 Jaguar XF
To start off, 2009 Jaguar XF is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,701 cc (6 cylinders), 2009 Jaguar XF is equipped with a bigger engine. In terms of performance, 2009 Jaguar XF (204 HP @ 4000 RPM) has 19 more horse power than 2003 Alfa Romeo 166. (185 HP @ 6300 RPM) In normal driving conditions, 2009 Jaguar XF should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XF weights approximately 336 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 214 more torque (in Nm) than 2003 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2009 Jaguar XF will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2009 Jaguar XF has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 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:
| 2003 Alfa Romeo 166 | 2009 Jaguar XF | |
| Make | Alfa Romeo | Jaguar |
| Model | 166 | XF |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2701 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 204 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 221 Nm | 435 Nm |
| Torque RPM | 5000 RPM | 1900 RPM |
| Engine Compression Ratio | 10.3:1 | 17.3:1 |
| Top Speed | 220 km/hour | 244 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1435 kg | 1771 kg |
| Vehicle Length | 4730 mm | 4970 mm |
| Vehicle Width | 1810 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2920 mm |
| Fuel Consumption Overall | 11.9 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 69 L | 69 L |
