2008 BMW X5 vs. 1999 Pontiac Firebird
To start off, 2008 BMW X5 is newer by 9 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 3,791 cc (6 cylinders), 1999 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (260 HP) has 60 more horse power than 1999 Pontiac Firebird. (200 HP). In normal driving conditions, 2008 BMW X5 should accelerate faster than 1999 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 10 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.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 will offer significantly more control. 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, both vehicles can yield 305 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2008 BMW X5 has automatic transmission and 1999 Pontiac Firebird has manual transmission. 1999 Pontiac Firebird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X5 | 1999 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X5 | Firebird |
| Year Released | 2008 | 1999 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3001 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 200 HP |
| Torque | 305 Nm | 305 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Compression Ratio | 10.7:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1540 kg |
| Vehicle Length | 4860 mm | 4920 mm |
| Vehicle Width | 1940 mm | 1900 mm |
| Vehicle Height | 1770 mm | 1320 mm |
| Wheelbase Size | 2940 mm | 2570 mm |
| Fuel Tank Capacity | 85 L | 76 L |
