1981 BMW 745 vs. 1964 Porsche 904
To start off, 1981 BMW 745 is newer by 17 year(s). Which means there will be less support and parts availability for 1964 Porsche 904. In addition, the cost of maintenance, including insurance, on 1964 Porsche 904 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 97 more horse power than 1964 Porsche 904. (155 HP @ 6900 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1964 Porsche 904. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 940 kg more than 1964 Porsche 904. 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 211 more torque (in Nm) than 1964 Porsche 904. (169 Nm @ 5000 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1964 Porsche 904.
Compare all specifications:
| 1981 BMW 745 | 1964 Porsche 904 | |
| Make | BMW | Porsche |
| Model | 745 | 904 |
| Year Released | 1981 | 1964 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3430 cc | 1966 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 252 HP | 155 HP |
| Engine RPM | 5200 RPM | 6900 RPM |
| Torque | 380 Nm | 169 Nm |
| Torque RPM | 2200 RPM | 5000 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 86 mm | 74 mm |
| Engine Compression Ratio | 8.0:1 | 9.8:1 |
| Top Speed | 220 km/hour | 253 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1590 kg | 650 kg |
| Vehicle Length | 4870 mm | 4100 mm |
| Vehicle Width | 1810 mm | 1550 mm |
| Vehicle Height | 1440 mm | 1070 mm |
| Wheelbase Size | 2800 mm | 2310 mm |
