2003 Jaguar XJ vs. 1971 Monteverdi Sierra
To start off, 2003 Jaguar XJ is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Monteverdi Sierra. In addition, the cost of maintenance, including insurance, on 1971 Monteverdi Sierra would be higher. At 5,210 cc (8 cylinders), 1971 Monteverdi Sierra is equipped with a bigger engine. In terms of performance, 2003 Jaguar XJ (294 HP @ 6100 RPM) has 134 more horse power than 1971 Monteverdi Sierra. (160 HP @ 3500 RPM). In normal driving conditions, 2003 Jaguar XJ should accelerate faster than 1971 Monteverdi Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XJ weights approximately 215 kg more than 1971 Monteverdi Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2003 Jaguar XJ (411 Nm @ 4100 RPM) has 23 more torque (in Nm) than 1971 Monteverdi Sierra. (388 Nm @ 2000 RPM). This means 2003 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1971 Monteverdi Sierra.
Compare all specifications:
| 2003 Jaguar XJ | 1971 Monteverdi Sierra | |
| Make | Jaguar | Monteverdi |
| Model | XJ | Sierra |
| Year Released | 2003 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5210 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 294 HP | 160 HP |
| Engine RPM | 6100 RPM | 3500 RPM |
| Torque | 411 Nm | 388 Nm |
| Torque RPM | 4100 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 99.4 mm |
| Engine Stroke Size | 90.3 mm | 84.1 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1400 kg |
| Vehicle Length | 5090 mm | 4690 mm |
| Vehicle Width | 1870 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1290 mm |
| Wheelbase Size | 3040 mm | 2750 mm |
| Fuel Tank Capacity | 85 L | 82 L |
