1983 BMW 725 vs. 2006 Infiniti QX56
To start off, 2006 Infiniti QX56 is newer by 23 year(s). Which means there will be less support and parts availability for 1983 BMW 725. In addition, the cost of maintenance, including insurance, on 1983 BMW 725 would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX56 (315 HP @ 4900 RPM) has 167 more horse power than 1983 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2006 Infiniti QX56 should accelerate faster than 1983 BMW 725.
Because 2006 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1983 BMW 725. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti QX56 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, 2006 Infiniti QX56 (529 Nm @ 3600 RPM) has 314 more torque (in Nm) than 1983 BMW 725. (215 Nm @ 4000 RPM). This means 2006 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 725.
Compare all specifications:
| 1983 BMW 725 | 2006 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | 725 | QX56 |
| Year Released | 1983 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 5555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 315 HP |
| Engine RPM | 5500 RPM | 4900 RPM |
| Torque | 215 Nm | 529 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Compression Ratio | 9.6:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4870 mm | 5260 mm |
| Vehicle Width | 1810 mm | 2010 mm |
| Vehicle Height | 1440 mm | 1980 mm |
| Wheelbase Size | 2810 mm | 3140 mm |
