1981 Jaguar XJS vs. 2004 Alfa Romeo 166
To start off, 2004 Alfa Romeo 166 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1981 Jaguar XJS would be higher. At 5,344 cc (12 cylinders), 1981 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1981 Jaguar XJS (299 HP @ 5500 RPM) has 82 more horse power than 2004 Alfa Romeo 166. (217 HP @ 6300 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 2004 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 1981 Jaguar XJS weights approximately 157 kg more than 2004 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Jaguar XJS 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 1981 Jaguar XJS. However, in wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 166, 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, 1981 Jaguar XJS (431 Nm @ 3000 RPM) has 166 more torque (in Nm) than 2004 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166.
Compare all specifications:
| 1981 Jaguar XJS | 2004 Alfa Romeo 166 | |
| Make | Jaguar | Alfa Romeo |
| Model | XJS | 166 |
| Year Released | 1981 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 2959 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 299 HP | 217 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 431 Nm | 265 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Top Speed | 240 km/hour | 236 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 8.6 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1707 kg | 1550 kg |
| Vehicle Length | 4880 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1270 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2600 mm |
| Fuel Tank Capacity | 90 L | 69 L |
