2005 Jaguar XJ vs. 1972 Pontiac Firebird
To start off, 2005 Jaguar XJ is newer by 33 year(s). Which means there will be less support and parts availability for 1972 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1972 Pontiac Firebird would be higher. At 6,598 cc (8 cylinders), 1972 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (390 HP @ 6150 RPM) has 205 more horse power than 1972 Pontiac Firebird. (185 HP @ 3600 RPM). In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 1972 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 81 kg more than 1972 Pontiac Firebird. 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, 2005 Jaguar XJ (541 Nm @ 3500 RPM) has 107 more torque (in Nm) than 1972 Pontiac Firebird. (434 Nm @ 2200 RPM). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1972 Pontiac Firebird.
Compare all specifications:
| 2005 Jaguar XJ | 1972 Pontiac Firebird | |
| Make | Jaguar | Pontiac |
| Model | XJ | Firebird |
| Year Released | 2005 | 1972 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 6598 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 390 HP | 185 HP |
| Engine RPM | 6150 RPM | 3600 RPM |
| Torque | 541 Nm | 434 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Engine Bore Size | 86 mm | 110.5 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 9.1:1 | 7.9:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 182 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1734 kg | 1653 kg |
| Vehicle Length | 5100 mm | 4870 mm |
| Vehicle Width | 1870 mm | 1870 mm |
| Vehicle Height | 1450 mm | 1290 mm |
| Wheelbase Size | 3170 mm | 2750 mm |
| Fuel Tank Capacity | 84 L | 76 L |
