2009 Acura MDX vs. 1989 Infiniti Q45
To start off, 2009 Acura MDX 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, 2009 Acura MDX (300 HP @ 6000 RPM) has 23 more horse power than 1989 Infiniti Q45. (277 HP @ 6000 RPM). In normal driving conditions, 2009 Acura MDX should accelerate faster than 1989 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura MDX weights approximately 102 kg more than 1989 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Acura MDX 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 Acura MDX 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, 1989 Infiniti Q45 (396 Nm @ 4000 RPM) has 23 more torque (in Nm) than 2009 Acura MDX. (373 Nm @ 5000 RPM). This means 1989 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura MDX.
Compare all specifications:
| 2009 Acura MDX | 1989 Infiniti Q45 | |
| Make | Acura | Infiniti |
| Model | MDX | Q45 |
| Year Released | 2009 | 1989 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3664 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 277 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 373 Nm | 396 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Compression Ratio | 11.2:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1852 kg | 1750 kg |
| Vehicle Length | 4850 mm | 5080 mm |
| Vehicle Width | 2000 mm | 1830 mm |
| Vehicle Height | 1740 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
| Fuel Tank Capacity | 79 L | 72 L |
