1981 BMW 745 vs. 2006 Porsche 911
To start off, 2006 Porsche 911 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 3,589 cc (6 cylinders), 2006 Porsche 911 is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (326 HP @ 6800 RPM) has 74 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2006 Porsche 911 weights approximately 145 kg more than 1981 BMW 745. 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 10 more torque (in Nm) than 2006 Porsche 911. (370 Nm @ 4250 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche 911.
Compare all specifications:
| 1981 BMW 745 | 2006 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 745 | 911 |
| Year Released | 1981 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3430 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 252 HP | 326 HP |
| Engine RPM | 5200 RPM | 6800 RPM |
| Torque | 380 Nm | 370 Nm |
| Torque RPM | 2200 RPM | 4250 RPM |
| Engine Bore Size | 92 mm | 96 mm |
| Engine Stroke Size | 86 mm | 83 mm |
| Engine Compression Ratio | 8.0:1 | 11.3:1 |
| Top Speed | 220 km/hour | 285 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1735 kg |
| Vehicle Length | 4870 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1320 mm |
| Wheelbase Size | 2800 mm | 2360 mm |
| Fuel Tank Capacity | 100 L | 67 L |
