1951 Jaguar XK vs. 1981 Pontiac Firebird
To start off, 1981 Pontiac Firebird is newer by 30 year(s). Which means there will be less support and parts availability for 1951 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1951 Jaguar XK would be higher. At 5,012 cc (8 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1951 Jaguar XK (158 HP @ 5000 RPM) has 13 more horse power than 1981 Pontiac Firebird. (145 HP @ 3800 RPM). In normal driving conditions, 1951 Jaguar XK should accelerate faster than 1981 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1981 Pontiac Firebird weights approximately 246 kg more than 1951 Jaguar XK.
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, 1981 Pontiac Firebird (324 Nm @ 2400 RPM) has 34 more torque (in Nm) than 1951 Jaguar XK. (290 Nm @ 2500 RPM). This means 1981 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1951 Jaguar XK.
Compare all specifications:
1951 Jaguar XK | 1981 Pontiac Firebird | |
Make | Jaguar | Pontiac |
Model | XK | Firebird |
Year Released | 1951 | 1981 |
Engine Position | Front | Front |
Engine Size | 3442 cc | 5012 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 158 HP | 145 HP |
Engine RPM | 5000 RPM | 3800 RPM |
Torque | 290 Nm | 324 Nm |
Torque RPM | 2500 RPM | 2400 RPM |
Engine Bore Size | 83 mm | 95 mm |
Engine Stroke Size | 106 mm | 88.4 mm |
Fuel Type | Gasoline | Gasoline |
Top Speed | 201 km/hour | 160 km/hour |
Drive Type | Rear | Rear |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1296 kg | 1542 kg |
Vehicle Length | 4430 mm | 5040 mm |
Vehicle Width | 1570 mm | 1860 mm |
Vehicle Height | 1340 mm | 1260 mm |
Wheelbase Size | 2600 mm | 2750 mm |
Fuel Tank Capacity | 63 L | 79 L |