1999 Infiniti QX4 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 12 year(s). Which means there will be less support and parts availability for 1999 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 1999 Infiniti QX4 would be higher. At 3,498 cc (6 cylinders), 1999 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (335 HP @ 5900 RPM) has 97 more horse power than 1999 Infiniti QX4. (238 HP @ 6000 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 1999 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti QX4 weights approximately 352 kg more than 2011 BMW Z4.
Because 1999 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2011 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1999 Infiniti QX4 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, 2011 BMW Z4 (450 Nm @ 1500 RPM) has 91 more torque (in Nm) than 1999 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Infiniti QX4.
Compare all specifications:
| 1999 Infiniti QX4 | 2011 BMW Z4 | |
| Make | Infiniti | BMW |
| Model | QX4 | Z4 |
| Year Released | 1999 | 2011 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 335 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 359 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 1500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed automated manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1962 kg | 1610 kg |
| Vehicle Length | 4660 mm | 4242 mm |
| Vehicle Width | 1850 mm | 1791 mm |
| Vehicle Height | 1800 mm | 1285 mm |
| Wheelbase Size | 2710 mm | 2497 mm |
