2008 BMW Z4 vs. 2009 BMW X6
To start off, 2009 BMW X6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW Z4. In addition, the cost of maintenance, including insurance, on 2008 BMW Z4 would be higher. Both 2008 BMW Z4 and 2009 BMW X6 are equipped with a 2,996 cc engine. In terms of performance, 2009 BMW X6 (282 HP @ 4400 RPM) has 21 more horse power than 2008 BMW Z4. (261 HP @ 6600 RPM) In normal driving conditions, 2009 BMW X6 should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 790 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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, 2009 BMW X6 (580 Nm @ 1750 RPM) has 264 more torque (in Nm) than 2008 BMW Z4. (316 Nm @ 2750 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 2009 BMW X6 has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 2009 BMW X6 | |
| Make | BMW | BMW |
| Model | Z4 | X6 |
| Year Released | 2008 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 282 HP |
| Engine RPM | 6600 RPM | 4400 RPM |
| Torque | 316 Nm | 580 Nm |
| Torque RPM | 2750 RPM | 1750 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 88 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 236 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 6.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 2185 kg |
| Vehicle Length | 4100 mm | 4880 mm |
| Vehicle Width | 1790 mm | 1990 mm |
| Vehicle Height | 1270 mm | 1700 mm |
| Wheelbase Size | 2500 mm | 2940 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
