2005 BMW 645 vs. 1972 Pontiac Firebird
To start off, 2005 BMW 645 is newer by 33 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 7,456 cc (8 cylinders), 1972 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 25 more horse power than 1972 Pontiac Firebird. (301 HP @ 4000 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 1972 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 219 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1972 Pontiac Firebird (563 Nm @ 3200 RPM) has 116 more torque (in Nm) than 2005 BMW 645. (447 Nm @ 3600 RPM). This means 1972 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 645.
Compare all specifications:
| 2005 BMW 645 | 1972 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | 645 | Firebird |
| Year Released | 2005 | 1972 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 7456 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 326 HP | 301 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 447 Nm | 563 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 105.4 mm |
| Engine Stroke Size | 83 mm | 106.9 mm |
| Engine Compression Ratio | 10.5:1 | 8.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 193 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1676 kg |
| Vehicle Length | 4830 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1870 mm |
| Vehicle Height | 1380 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2750 mm |
| Fuel Tank Capacity | 70 L | 64 L |
