1973 Austin Allegro vs. 2009 Jaguar XJ
To start off, 2009 Jaguar XJ is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1973 Austin Allegro would be higher. At 4,194 cc (8 cylinders), 2009 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2009 Jaguar XJ (391 HP @ 6100 RPM) has 343 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2009 Jaguar XJ should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XJ weights approximately 865 kg more than 1973 Austin Allegro. 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 XJ (541 Nm @ 4100 RPM) has 460 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2009 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro. 2009 Jaguar XJ has automatic transmission and 1973 Austin Allegro has manual transmission. 1973 Austin Allegro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Austin Allegro | 2009 Jaguar XJ | |
| Make | Austin | Jaguar |
| Model | Allegro | XJ |
| Year Released | 1973 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 4194 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 48 HP | 391 HP |
| Engine RPM | 5250 RPM | 6100 RPM |
| Torque | 81 Nm | 541 Nm |
| Torque RPM | 2450 RPM | 4100 RPM |
| Engine Bore Size | 64.6 mm | 86 mm |
| Engine Stroke Size | 83.7 mm | 90.3 mm |
| Engine Compression Ratio | 8.5:1 | 9.1:1 |
| Top Speed | 134 km/hour | 250 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 1665 kg |
| Vehicle Length | 3860 mm | 5100 mm |
| Vehicle Width | 1620 mm | 1450 mm |
| Wheelbase Size | 2440 mm | 3040 mm |
| Fuel Tank Capacity | 47 L | 85 L |
