1989 Jaguar XJS vs. 1971 Pontiac Firebird
To start off, 1989 Jaguar XJS is newer by 18 year(s). Which means there will be less support and parts availability for 1971 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1971 Pontiac Firebird would be higher. At 7,462 cc (8 cylinders), 1971 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1971 Pontiac Firebird (296 HP @ 4000 RPM) has 61 more horse power than 1989 Jaguar XJS. (235 HP @ 4750 RPM) In normal driving conditions, 1971 Pontiac Firebird should accelerate faster than 1989 Jaguar XJS.
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, 1971 Pontiac Firebird (563 Nm @ 3200 RPM) has 176 more torque (in Nm) than 1989 Jaguar XJS. (387 Nm @ 3750 RPM). This means 1971 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1989 Jaguar XJS.
Compare all specifications:
| 1989 Jaguar XJS | 1971 Pontiac Firebird | |
| Make | Jaguar | Pontiac |
| Model | XJS | Firebird |
| Year Released | 1989 | 1971 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3980 cc | 7462 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 235 HP | 296 HP |
| Engine RPM | 4750 RPM | 4000 RPM |
| Torque | 387 Nm | 563 Nm |
| Torque RPM | 3750 RPM | 3200 RPM |
| Engine Bore Size | 91 mm | 105.4 mm |
| Engine Stroke Size | 102 mm | 106.9 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1750 kg |
| Vehicle Length | 4770 mm | 4870 mm |
| Vehicle Width | 1890 mm | 1870 mm |
| Vehicle Height | 1270 mm | 1290 mm |
| Wheelbase Size | 2600 mm | 2750 mm |
