1981 BMW 745 vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 30 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 5,600 cc (8 cylinders), 2011 Infiniti M is equipped with a bigger engine. In terms of performance, 2011 Infiniti M (420 HP @ 6000 RPM) has 168 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2011 Infiniti M should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti M weights approximately 326 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.
Because 2011 Infiniti M is all wheel drive (AWD), it will have significant more traction and grip than 1981 BMW 745. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti M will offer significantly more control. 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, 2011 Infiniti M (565 Nm @ 4400 RPM) has 185 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 2011 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745. 2011 Infiniti M 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. 2011 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 745 | 2011 Infiniti M | |
| Make | BMW | Infiniti |
| Model | 745 | M |
| Year Released | 1981 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 5600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 420 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 380 Nm | 565 Nm |
| Torque RPM | 2200 RPM | 4400 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1916 kg |
| Vehicle Length | 4870 mm | 4945 mm |
| Vehicle Width | 1810 mm | 1844 mm |
| Vehicle Height | 1440 mm | 1514 mm |
| Wheelbase Size | 2800 mm | 2901 mm |
| Fuel Tank Capacity | 100 L | 76 L |
