2008 BMW Z4 vs. 2006 Mercedes-Benz S
To start off, 2008 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz S would be higher. At 4,261 cc (8 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (275 HP @ 5750 RPM) has 127 more horse power than 2008 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 592 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Mercedes-Benz S (400 Nm @ 3000 RPM) has 200 more torque (in Nm) than 2008 BMW Z4. (200 Nm @ 3600 RPM). This means 2006 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2006 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | S |
| Year Released | 2008 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4261 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 148 HP | 275 HP |
| Engine RPM | 6200 RPM | 5750 RPM |
| Torque | 200 Nm | 400 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 89.9 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1295 kg | 1887 kg |
| Vehicle Length | 4100 mm | 5170 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 3090 mm |
| Fuel Consumption Overall | 7.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
