2007 BMW X5 vs. 2001 Pontiac Firebird
To start off, 2007 BMW X5 is newer by 6 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 5,665 cc (8 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (325 HP @ 5200 RPM) has 65 more horse power than 2007 BMW X5. (260 HP @ 6600 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 422 kg more than 2001 Pontiac Firebird.
Because 2007 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, 2007 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, 2001 Pontiac Firebird (475 Nm @ 4000 RPM) has 170 more torque (in Nm) than 2007 BMW X5. (305 Nm @ 2750 RPM). This means 2001 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 2007 BMW X5 | 2001 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X5 | Firebird |
| Year Released | 2007 | 2001 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5665 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 260 HP | 325 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 305 Nm | 475 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Compression Ratio | 10.7:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1950 kg | 1528 kg |
| Vehicle Length | 4860 mm | 4920 mm |
| Vehicle Width | 1940 mm | 1900 mm |
| Vehicle Height | 1940 mm | 1310 mm |
| Wheelbase Size | 2940 mm | 2570 mm |
