1989 Alfa Romeo SZ vs. 2013 Jaguar XJ
To start off, 2013 Jaguar XJ is newer by 24 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo SZ would be higher. At 5,000 cc (4 cylinders), 2013 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2013 Jaguar XJ (503 HP @ 6500 RPM) has 295 more horse power than 1989 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2013 Jaguar XJ should accelerate faster than 1989 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2013 Jaguar XJ weights approximately 620 kg more than 1989 Alfa Romeo SZ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Jaguar XJ is all wheel drive (AWD), it will have significant more traction and grip than 1989 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2013 Jaguar XJ 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, 2013 Jaguar XJ (625 Nm @ 5000 RPM) has 380 more torque (in Nm) than 1989 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2013 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1989 Alfa Romeo SZ.
Compare all specifications:
| 1989 Alfa Romeo SZ | 2013 Jaguar XJ | |
| Make | Alfa Romeo | Jaguar |
| Model | SZ | XJ |
| Year Released | 1989 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | W |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 503 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 245 Nm | 625 Nm |
| Torque RPM | 4500 RPM | 5000 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 72.6 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 4.9 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1880 kg |
| Vehicle Length | 4070 mm | 5252 mm |
| Vehicle Width | 1740 mm | 2105 mm |
| Vehicle Height | 1320 mm | 1456 mm |
| Wheelbase Size | 2520 mm | 3157 mm |
| Fuel Consumption Highway | 9.2 L/100km | 7.9 L/100km |
| Fuel Consumption City | 13.2 L/100km | 16.9 L/100km |
