1999 Infiniti Q45 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6800 RPM) has 50 more horse power than 1999 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1999 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti Q45 weights approximately 334 kg more than 2004 Porsche 911.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2004 Porsche 911 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, 1999 Infiniti Q45 (378 Nm) has 8 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 1999 Infiniti Q45 | 2004 Porsche 911 | |
| Make | Infiniti | Porsche |
| Model | Q45 | 911 |
| Year Released | 1999 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4128 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 315 HP |
| Engine RPM | 5600 RPM | 6800 RPM |
| Torque | 378 Nm | 370 Nm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1759 kg | 1425 kg |
| Vehicle Length | 5080 mm | 4440 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 2840 mm | 2360 mm |
| Fuel Tank Capacity | 60 L | 64 L |
