2007 BMW 523 vs. 1981 BMW 745
To start off, 2007 BMW 523 is newer by 26 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) has 77 more horse power than 2007 BMW 523. (175 HP) In normal driving conditions, 1981 BMW 745 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 310 kg more than 2007 BMW 523. 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 150 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 1981 BMW 745 | |
| Make | BMW | BMW |
| Model | 523 | 745 |
| Year Released | 2007 | 1981 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3430 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 252 HP |
| Torque | 230 Nm | 380 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Top Speed | 227 km/hour | 220 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1590 kg |
| Vehicle Length | 4850 mm | 4870 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2840 mm | 2800 mm |
| Fuel Tank Capacity | 70 L | 100 L |
