2005 BMW 325 vs. 1981 BMW 745
To start off, 2005 BMW 325 is newer by 24 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 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 68 more horse power than 2005 BMW 325. (184 HP @ 6100 RPM) In normal driving conditions, 1981 BMW 745 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 50 kg more than 1981 BMW 745.
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 135 more torque (in Nm) than 2005 BMW 325. (245 Nm @ 3500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 1981 BMW 745 | |
| Make | BMW | BMW |
| Model | 325 | 745 |
| Year Released | 2005 | 1981 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3430 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 184 HP | 252 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 245 Nm | 380 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| Top Speed | 234 km/hour | 220 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1640 kg | 1590 kg |
| Vehicle Length | 4490 mm | 4870 mm |
| Vehicle Width | 1760 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2800 mm |
| Fuel Tank Capacity | 63 L | 100 L |
