2006 BMW Z4 vs. 1999 Mercedes-Benz S
To start off, 2006 BMW Z4 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz S would be higher. At 5,439 cc (8 cylinders), 1999 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz S (356 HP @ 5500 RPM) has 167 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1999 Mercedes-Benz S should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz S weights approximately 570 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.
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, 1999 Mercedes-Benz S (530 Nm @ 3150 RPM) has 285 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1999 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 1999 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. 1999 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 1999 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | S |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 189 HP | 356 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 245 Nm | 530 Nm |
| Torque RPM | 3500 RPM | 3150 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 75 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1905 kg |
| Vehicle Length | 4100 mm | 5160 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 3090 mm |
| Fuel Consumption Overall | 9 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
