2008 BMW X5 vs. 1973 Pontiac Firebird
To start off, 2008 BMW X5 is newer by 35 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 4,092 cc (6 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (260 HP @ 6600 RPM) has 152 more horse power than 1973 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 2008 BMW X5 should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 80 kg more than 1973 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 1973 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, 2008 BMW X5 (305 Nm @ 2750 RPM) has 68 more torque (in Nm) than 1973 Pontiac Firebird. (237 Nm @ 1600 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1973 Pontiac Firebird.
Compare all specifications:
| 2008 BMW X5 | 1973 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X5 | Firebird |
| Year Released | 2008 | 1973 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4092 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 260 HP | 108 HP |
| Engine RPM | 6600 RPM | 3600 RPM |
| Torque | 305 Nm | 237 Nm |
| Torque RPM | 2750 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1470 kg |
| Vehicle Length | 4860 mm | 4880 mm |
| Vehicle Width | 1940 mm | 1870 mm |
| Vehicle Height | 1770 mm | 1290 mm |
| Wheelbase Size | 2940 mm | 2750 mm |
