1999 Pontiac Firebird vs. 2013 Jaguar XK
To start off, 2013 Jaguar XK is newer by 14 year(s). Which means there will be less support and parts availability for 1999 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1999 Pontiac Firebird would be higher. At 5,000 cc (4 cylinders), 2013 Jaguar XK is equipped with a bigger engine. In terms of performance, 2013 Jaguar XK (503 HP) has 303 more horse power than 1999 Pontiac Firebird. (200 HP) In normal driving conditions, 2013 Jaguar XK should accelerate faster than 1999 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2013 Jaguar XK weights approximately 260 kg more than 1999 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, 2013 Jaguar XK (625 Nm @ 5500 RPM) has 320 more torque (in Nm) than 1999 Pontiac Firebird. (305 Nm @ 4000 RPM). This means 2013 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1999 Pontiac Firebird.
Compare all specifications:
| 1999 Pontiac Firebird | 2013 Jaguar XK | |
| Make | Pontiac | Jaguar |
| Model | Firebird | XK |
| Year Released | 1999 | 2013 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3791 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 503 HP |
| Torque | 305 Nm | 625 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Engine Bore Size | 96.5 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Engine Compression Ratio | 9.4:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1800 kg |
| Vehicle Length | 4920 mm | 4794 mm |
| Vehicle Width | 1900 mm | 2032 mm |
| Vehicle Height | 1320 mm | 1322 mm |
| Wheelbase Size | 2570 mm | 2752 mm |
