2009 BMW Z4 vs. 2010 Mercedes-Benz R
To start off, 2010 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2009 BMW Z4. In addition, the cost of maintenance, including insurance, on 2009 BMW Z4 would be higher. At 3,500 cc (6 cylinders), 2010 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz R (268 HP @ 6000 RPM) has 53 more horse power than 2009 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2010 Mercedes-Benz R should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz R weights approximately 955 kg more than 2009 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Mercedes-Benz R is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 Mercedes-Benz R (349 Nm @ 2400 RPM) has 99 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2000 RPM). This means 2010 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 2010 Mercedes-Benz R | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | R |
| Year Released | 2009 | 2010 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 268 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 250 Nm | 349 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1290 kg | 2245 kg |
| Vehicle Length | 4100 mm | 5156 mm |
| Vehicle Width | 1790 mm | 1958 mm |
| Vehicle Height | 1310 mm | 1661 mm |
| Wheelbase Size | 2500 mm | 3216 mm |
| Fuel Tank Capacity | 55 L | 80 L |
