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 2,604 cc (5 cylinders), 2003 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz E (174 HP @ 4200 RPM) has 6 more horse power than 2007 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2003 Mercedes-Benz E should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz E weights approximately 505 kg more than 2007 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, 2003 Mercedes-Benz E (425 Nm @ 2000 RPM) has 215 more torque (in Nm) than 2007 BMW Z4. (210 Nm @ 3500 RPM). This means 2003 Mercedes-Benz E will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 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 | 2171 cc | 2604 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 174 HP |
| Engine RPM | 6250 RPM | 4200 RPM |
| Torque | 210 Nm | 425 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 88 mm |
| Engine Stroke Size | 72 mm | 88.3 mm |
| Engine Compression Ratio | 10.8:1 | 18.0:1 |
| Top Speed | 225 km/hour | 220 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 9.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1830 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 |
