2004 BMW Z4 vs. 2005 Mercedes-Benz S
To start off, 2005 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 3,724 cc (6 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (242 HP @ 5700 RPM) has 17 more horse power than 2004 BMW Z4. (225 HP @ 5900 RPM) In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 520 kg more than 2004 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mercedes-Benz S (350 Nm @ 3000 RPM) has 50 more torque (in Nm) than 2004 BMW Z4. (300 Nm @ 3500 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 BMW Z4 | 2005 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | S |
| Year Released | 2004 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 3724 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 225 HP | 242 HP |
| Engine RPM | 5900 RPM | 5700 RPM |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 241 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 7.9 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1915 kg |
| Vehicle Length | 4100 mm | 5050 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
| Fuel Consumption Overall | 9.1 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
