2006 BMW Z4 vs. 2004 Mercedes-Benz S
To start off, 2006 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz S would be higher. At 4,264 cc (8 cylinders), 2004 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz S (275 HP @ 5750 RPM) has 86 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2004 Mercedes-Benz S should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz S weights approximately 715 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 2004 Mercedes-Benz S 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, 2004 Mercedes-Benz S 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, 2004 Mercedes-Benz S (400 Nm @ 3000 RPM) has 155 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2004 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2004 Mercedes-Benz S has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2004 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | S |
| Year Released | 2006 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4264 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 189 HP | 275 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 245 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 89.9 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 7.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 2050 kg |
| Vehicle Length | 4100 mm | 5050 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2720 mm |
| Fuel Consumption Overall | 9 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
