1991 Infiniti Q45 vs. 2004 Porsche Cayenne
To start off, 2004 Porsche Cayenne is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1991 Infiniti Q45 would be higher. At 4,505 cc (8 cylinders), 2004 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2004 Porsche Cayenne (450 HP @ 6000 RPM) has 173 more horse power than 1991 Infiniti Q45. (277 HP @ 6000 RPM) In normal driving conditions, 2004 Porsche Cayenne should accelerate faster than 1991 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche Cayenne weights approximately 680 kg more than 1991 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1991 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2004 Porsche Cayenne 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, 2004 Porsche Cayenne (620 Nm @ 2250 RPM) has 223 more torque (in Nm) than 1991 Infiniti Q45. (397 Nm @ 4000 RPM). This means 2004 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1991 Infiniti Q45.
Compare all specifications:
| 1991 Infiniti Q45 | 2004 Porsche Cayenne | |
| Make | Infiniti | Porsche |
| Model | Q45 | Cayenne |
| Year Released | 1991 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 4505 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 277 HP | 450 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 397 Nm | 620 Nm |
| Torque RPM | 4000 RPM | 2250 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 246 km/hour | 266 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 2430 kg |
| Vehicle Length | 5080 mm | 4790 mm |
| Vehicle Width | 1830 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1710 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Tank Capacity | 72 L | 99 L |
