1988 BMW 520 vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 21 year(s). Which means there will be less support and parts availability for 1988 BMW 520. In addition, the cost of maintenance, including insurance, on 1988 BMW 520 would be higher. At 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 191 more horse power than 1988 BMW 520. (129 HP @ 6000 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 1988 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW 520 weights approximately 250 kg more than 2009 Infiniti QX56.
Because 2009 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1988 BMW 520. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Infiniti QX56 (533 Nm @ 3400 RPM) has 359 more torque (in Nm) than 1988 BMW 520. (174 Nm @ 4000 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 520.
Compare all specifications:
| 1988 BMW 520 | 2009 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | 520 | QX56 |
| Year Released | 1988 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 129 HP | 320 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 174 Nm | 533 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1570 kg | 1320 kg |
| Vehicle Length | 4780 mm | 5260 mm |
| Vehicle Width | 1810 mm | 2010 mm |
| Vehicle Height | 1440 mm | 2010 mm |
| Wheelbase Size | 2770 mm | 3140 mm |
| Fuel Consumption | 7.8 L/100km | 13.8 L/100km |
| Fuel Consumption City | 13.5 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.9 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
