2009 BMW X5 vs. 1989 Infiniti Q45
To start off, 2009 BMW X5 is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1989 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 1989 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1989 Infiniti Q45 (277 HP @ 6000 RPM) has 12 more horse power than 2009 BMW X5. (265 HP @ 4200 RPM) In normal driving conditions, 1989 Infiniti Q45 should accelerate faster than 2009 BMW X5.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1989 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2009 BMW X5 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 BMW X5 (576 Nm @ 1750 RPM) has 180 more torque (in Nm) than 1989 Infiniti Q45. (396 Nm @ 4000 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1989 Infiniti Q45.
Compare all specifications:
| 2009 BMW X5 | 1989 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | X5 | Q45 |
| Year Released | 2009 | 1989 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 277 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 576 Nm | 396 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4860 mm | 5080 mm |
| Vehicle Width | 1940 mm | 1830 mm |
| Vehicle Height | 1770 mm | 1440 mm |
| Wheelbase Size | 2940 mm | 2890 mm |
| Fuel Tank Capacity | 85 L | 72 L |
