1981 BMW 745 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 32 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, 2013 BMW 7 Series (311 HP @ 5800 RPM) has 59 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 463 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, 2013 BMW 7 Series (407 Nm @ 4500 RPM) has 27 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745. 2013 BMW 7 Series has automatic transmission and 1981 BMW 745 has manual transmission. 1981 BMW 745 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 745 | 2013 BMW 7 Series | |
| Make | BMW | BMW |
| Model | 745 | 7 Series |
| Year Released | 1981 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 311 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 380 Nm | 407 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 86 mm | 89 mm |
| Engine Compression Ratio | 8.0:1 | 10.2 :1 |
| Top Speed | 220 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 2053 kg |
| Vehicle Length | 4870 mm | 5214 mm |
| Vehicle Width | 1810 mm | 2134 mm |
| Vehicle Height | 1440 mm | 1481 mm |
| Wheelbase Size | 2800 mm | 3210 mm |
| Fuel Tank Capacity | 100 L | 80 L |
