1991 Jaguar XJR-15 vs. 1973 Pontiac Firebird
To start off, 1991 Jaguar XJR-15 is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 7,462 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJR-15 (450 HP @ 6250 RPM) has 154 more horse power than 1973 Pontiac Firebird. (296 HP @ 4000 RPM). In normal driving conditions, 1991 Jaguar XJR-15 should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 700 kg more than 1991 Jaguar XJR-15.
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, 1991 Jaguar XJR-15 (570 Nm @ 4500 RPM) has 7 more torque (in Nm) than 1973 Pontiac Firebird. (563 Nm @ 3200 RPM). This means 1991 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 1973 Pontiac Firebird.
Compare all specifications:
| 1991 Jaguar XJR-15 | 1973 Pontiac Firebird | |
| Make | Jaguar | Pontiac |
| Model | XJR-15 | Firebird |
| Year Released | 1991 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Middle | Front |
| Engine Size | 5993 cc | 7462 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 450 HP | 296 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 570 Nm | 563 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Engine Bore Size | 90 mm | 105.4 mm |
| Engine Stroke Size | 78.5 mm | 106.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 1 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1050 kg | 1750 kg |
| Vehicle Length | 4810 mm | 4870 mm |
| Vehicle Width | 1910 mm | 1870 mm |
| Vehicle Height | 1110 mm | 1290 mm |
| Wheelbase Size | 2870 mm | 2750 mm |
| Fuel Tank Capacity | 90 L | 76 L |
