2007 BMW X3 vs. 1972 Pontiac Firebird
To start off, 2007 BMW X3 is newer by 35 year(s). Which means there will be less support and parts availability for 1972 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1972 Pontiac Firebird would be higher. At 4,093 cc (6 cylinders), 1972 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (229 HP @ 5900 RPM) has 121 more horse power than 1972 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1972 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 295 kg more than 1972 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1972 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (300 Nm @ 3500 RPM) has 63 more torque (in Nm) than 1972 Pontiac Firebird. (237 Nm @ 1600 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1972 Pontiac Firebird.
Compare all specifications:
| 2007 BMW X3 | 1972 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X3 | Firebird |
| Year Released | 2007 | 1972 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4093 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 229 HP | 108 HP |
| Engine RPM | 5900 RPM | 3600 RPM |
| Torque | 300 Nm | 237 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Compression Ratio | 10.2:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 210 km/hour | 177 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1470 kg |
| Vehicle Length | 4570 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1870 mm |
| Vehicle Height | 1680 mm | 1290 mm |
| Wheelbase Size | 2800 mm | 2750 mm |
| Fuel Tank Capacity | 67 L | 64 L |
