2005 Jaguar XJ vs. 1976 Pontiac Firebird
To start off, 2005 Jaguar XJ is newer by 29 year(s). Which means there will be less support and parts availability for 1976 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1976 Pontiac Firebird would be higher. At 7,462 cc (8 cylinders), 1976 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1976 Pontiac Firebird (296 HP @ 4000 RPM) has 42 more horse power than 2005 Jaguar XJ. (254 HP @ 6250 RPM) In normal driving conditions, 1976 Pontiac Firebird should accelerate faster than 2005 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 1976 Pontiac Firebird weights approximately 66 kg more than 2005 Jaguar XJ. 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, 1976 Pontiac Firebird (563 Nm @ 3200 RPM) has 228 more torque (in Nm) than 2005 Jaguar XJ. (335 Nm @ 4200 RPM). This means 1976 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 Jaguar XJ.
Compare all specifications:
| 2005 Jaguar XJ | 1976 Pontiac Firebird | |
| Make | Jaguar | Pontiac |
| Model | XJ | Firebird |
| Year Released | 2005 | 1976 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3555 cc | 7462 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 254 HP | 296 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 335 Nm | 563 Nm |
| Torque RPM | 4200 RPM | 3200 RPM |
| Engine Bore Size | 86 mm | 105.4 mm |
| Engine Stroke Size | 76.5 mm | 106.9 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1684 kg | 1750 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 | 85 L | 76 L |
