2007 BMW Z4 vs. 2003 Mercedes-Benz E
To start off, 2007 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz E. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz E would be higher. At 2,979 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 161 more horse power than 2003 Mercedes-Benz E. (174 HP @ 5500 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2003 Mercedes-Benz E. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz E weights approximately 430 kg more than 2007 BMW Z4.
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, 2007 BMW Z4 (315 Nm @ 2750 RPM) has 75 more torque (in Nm) than 2003 Mercedes-Benz E. (240 Nm @ 3000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz E. 2003 Mercedes-Benz E has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mercedes-Benz E will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2003 Mercedes-Benz E | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | E |
| Year Released | 2007 | 2003 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 335 HP | 174 HP |
| Engine RPM | 7900 RPM | 5500 RPM |
| Torque | 315 Nm | 240 Nm |
| Torque RPM | 2750 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 82 mm |
| Engine Stroke Size | 91 mm | 85 mm |
| Top Speed | 250 km/hour | 214 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1720 kg |
| Vehicle Length | 4100 mm | 4860 mm |
| Vehicle Width | 1790 mm | 1830 mm |
| Vehicle Height | 1310 mm | 1500 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
| Fuel Tank Capacity | 55 L | 70 L |
