2006 BMW Z4 vs. 2007 Lexus RX
To start off, 2007 Lexus RX is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,456 cc (6 cylinders), 2007 Lexus RX is equipped with a bigger engine. In terms of performance, 2007 Lexus RX (272 HP @ 6200 RPM) has 17 more horse power than 2006 BMW Z4. (255 HP @ 6600 RPM) In normal driving conditions, 2007 Lexus RX should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 75 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Lexus RX 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, 2007 Lexus RX 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, 2007 Lexus RX (342 Nm @ 4700 RPM) has 44 more torque (in Nm) than 2006 BMW Z4. (298 Nm @ 2750 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2007 Lexus RX | |
| Make | BMW | Lexus |
| Model | Z4 | RX |
| Year Released | 2006 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3456 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 272 HP |
| Engine RPM | 6600 RPM | 6200 RPM |
| Torque | 298 Nm | 342 Nm |
| Torque RPM | 2750 RPM | 4700 RPM |
| Engine Compression Ratio | 10.7:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1835 kg | 1910 kg |
| Vehicle Length | 4100 mm | 4580 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1270 mm | 1680 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 9.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 55 L | 75 L |
