2005 BMW X5 vs. 2001 Pontiac Firebird
To start off, 2005 BMW X5 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 2001 Pontiac Firebird would be higher. At 5,698 cc (8 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (310 HP @ 5200 RPM) has 95 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 629 kg more than 2001 Pontiac Firebird.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 59 more torque (in Nm) than 2001 Pontiac Firebird. (461 Nm @ 4000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2001 Pontiac Firebird.
Compare all specifications:
| 2005 BMW X5 | 2001 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X5 | Firebird |
| Year Released | 2005 | 2001 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 5698 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 310 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 520 Nm | 461 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 99 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 18.0:1 | 10.1:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1541 kg |
| Vehicle Length | 4670 mm | 4930 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1720 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2570 mm |
