2007 BMW Z4 vs. 1999 BMW M5
To start off, 2007 BMW Z4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 BMW M5. In addition, the cost of maintenance, including insurance, on 1999 BMW M5 would be higher. At 4,900 cc (8 cylinders), 1999 BMW M5 is equipped with a bigger engine. In terms of performance, 1999 BMW M5 (401 HP @ 7400 RPM) has 186 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 1999 BMW M5 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW M5 weights approximately 248 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, 1999 BMW M5 (499 Nm) has 249 more torque (in Nm) than 2007 BMW Z4. (250 Nm). This means 1999 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 1999 BMW M5 | |
| Make | BMW | BMW |
| Model | Z4 | M5 |
| Year Released | 2007 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4900 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 401 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 250 Nm | 499 Nm |
| Top Speed | 240 km/hour | 295 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1362 kg | 1610 kg |
| Vehicle Length | 4100 mm | 4780 mm |
| Vehicle Width | 1310 mm | 1810 mm |
| Vehicle Height | 1790 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Tank Capacity | 55 L | 70 L |
