2006 BMW Z4 vs. 2006 Infiniti QX4
To start off, both 2006 BMW Z4 and 2006 Infiniti QX4 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,552 cc (8 cylinders), 2006 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX4 (315 HP @ 4900 RPM) has 126 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2006 Infiniti QX4 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 15 kg more than 2006 Infiniti QX4.
Because 2006 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Infiniti QX4 (530 Nm @ 3600 RPM) has 285 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2006 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2006 Infiniti QX4 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2006 Infiniti QX4 | |
| Make | BMW | Infiniti |
| Model | Z4 | QX4 |
| Year Released | 2006 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 315 HP |
| Engine RPM | 6000 RPM | 4900 RPM |
| Torque | 245 Nm | 530 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 98 mm |
| Engine Stroke Size | 75 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1320 kg |
| Vehicle Length | 4100 mm | 5260 mm |
| Vehicle Width | 1790 mm | 2010 mm |
| Vehicle Height | 1310 mm | 1960 mm |
| Wheelbase Size | 2500 mm | 3140 mm |
| Fuel Consumption Overall | 9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
