2009 Alfa Romeo 159 vs. 1991 Jaguar XJ6
To start off, 2009 Alfa Romeo 159 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJ6. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJ6 would be higher. At 3,980 cc (6 cylinders), 1991 Jaguar XJ6 is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo 159 (256 HP @ 6200 RPM) has 32 more horse power than 1991 Jaguar XJ6. (224 HP @ 4750 RPM). In normal driving conditions, 2009 Alfa Romeo 159 should accelerate faster than 1991 Jaguar XJ6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo 159 weights approximately 23 kg more than 1991 Jaguar XJ6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Jaguar XJ6. In wet, icy, snow, or gravel driving conditions, 2009 Alfa Romeo 159 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, 1991 Jaguar XJ6 (377 Nm @ 3650 RPM) has 55 more torque (in Nm) than 2009 Alfa Romeo 159. (322 Nm @ 4500 RPM). This means 1991 Jaguar XJ6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo 159. 1991 Jaguar XJ6 has automatic transmission and 2009 Alfa Romeo 159 has manual transmission. 2009 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Jaguar XJ6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alfa Romeo 159 | 1991 Jaguar XJ6 | |
| Make | Alfa Romeo | Jaguar |
| Model | 159 | XJ6 |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 3980 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 224 HP |
| Engine RPM | 6200 RPM | 4750 RPM |
| Torque | 322 Nm | 377 Nm |
| Torque RPM | 4500 RPM | 3650 RPM |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1848 kg | 1825 kg |
| Vehicle Length | 4670 mm | 4940 mm |
| Vehicle Width | 1830 mm | 2010 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2710 mm | 2880 mm |
