2005 Jaguar XJ vs. 1979 Saab 900
To start off, 2005 Jaguar XJ is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Saab 900. In addition, the cost of maintenance, including insurance, on 1979 Saab 900 would be higher. At 3,555 cc (8 cylinders), 2005 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (254 HP @ 6250 RPM) has 111 more horse power than 1979 Saab 900. (143 HP @ 5000 RPM). In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 1979 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 434 kg more than 1979 Saab 900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Jaguar XJ 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 2005 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 1979 Saab 900, 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, 2005 Jaguar XJ (335 Nm @ 4200 RPM) has 99 more torque (in Nm) than 1979 Saab 900. (236 Nm @ 3000 RPM). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1979 Saab 900. 2005 Jaguar XJ has automatic transmission and 1979 Saab 900 has manual transmission. 1979 Saab 900 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Jaguar XJ | 1979 Saab 900 | |
| Make | Jaguar | Saab |
| Model | XJ | 900 |
| Year Released | 2005 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 3555 cc | 1985 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 254 HP | 143 HP |
| Engine RPM | 6250 RPM | 5000 RPM |
| Torque | 335 Nm | 236 Nm |
| Torque RPM | 4200 RPM | 3000 RPM |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 235 km/hour | 191 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1684 kg | 1250 kg |
| Vehicle Length | 5100 mm | 4750 mm |
| Vehicle Width | 1870 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 3170 mm | 2530 mm |
