1981 BMW 745 vs. 2003 Porsche 911
To start off, 2003 Porsche 911 is newer by 22 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 3,596 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (340 HP @ 6800 RPM) has 88 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 216 kg more than 2003 Porsche 911.
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 2003 Porsche 911. (370 Nm @ 4800 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche 911. 1981 BMW 745 has automatic transmission and 2003 Porsche 911 has manual transmission. 2003 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 745 | 2003 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 745 | 911 |
| Year Released | 1981 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3430 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 252 HP | 340 HP |
| Engine RPM | 5200 RPM | 6800 RPM |
| Torque | 380 Nm | 370 Nm |
| Torque RPM | 2200 RPM | 4800 RPM |
| Engine Bore Size | 92 mm | 96 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Engine Compression Ratio | 8.0:1 | 11.3:1 |
| Top Speed | 227 km/hour | 290 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1596 kg | 1380 kg |
| Vehicle Length | 4870 mm | 4440 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2360 mm |
| Fuel Tank Capacity | 100 L | 64 L |
