2007 Mercedes-Benz R vs. 2006 BMW Z4
To start off, 2007 Mercedes-Benz R 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 2,987 cc (6 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 2 more horse power than 2007 Mercedes-Benz R. (187 HP @ 4000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2007 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 891 kg more than 2006 BMW Z4.
Because 2007 Mercedes-Benz R 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 Mercedes-Benz R 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 Mercedes-Benz R (440 Nm @ 1400 RPM) has 195 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2007 Mercedes-Benz R | 2006 BMW Z4 | |
| Make | Mercedes-Benz | BMW |
| Model | R | Z4 |
| Year Released | 2007 | 2006 |
| Body Type | Minivan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2987 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 189 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 440 Nm | 245 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 92 mm | 75 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 235 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2226 kg | 1335 kg |
| Vehicle Length | 4930 mm | 4100 mm |
| Vehicle Width | 1930 mm | 1790 mm |
| Vehicle Height | 1660 mm | 1310 mm |
| Wheelbase Size | 2990 mm | 2500 mm |
| Fuel Consumption Overall | 9.3 L/100km | 9 L/100km |
| Fuel Tank Capacity | 80 L | 55 L |
