2006 BMW 630 vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2006 BMW 630. In addition, the cost of maintenance, including insurance, on 2006 BMW 630 would be higher. At 3,000 cc (6 cylinders), 2010 BMW Z4 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (255 HP @ 6600 RPM) has 1 more horse power than 2006 BMW 630. (254 HP @ 6600 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 2006 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 290 kg more than 2010 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, 2006 BMW 630 (300 Nm @ 2500 RPM) has 2 more torque (in Nm) than 2010 BMW Z4. (298 Nm @ 2600 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2010 BMW Z4.
Compare all specifications:
| 2006 BMW 630 | 2010 BMW Z4 | |
| Make | BMW | BMW |
| Model | 630 | Z4 |
| Year Released | 2006 | 2010 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 255 HP |
| Engine RPM | 6600 RPM | 6600 RPM |
| Torque | 300 Nm | 298 Nm |
| Torque RPM | 2500 RPM | 2600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1470 kg |
| Vehicle Length | 4830 mm | 4239 mm |
| Vehicle Width | 1860 mm | 1791 mm |
| Vehicle Height | 1380 mm | 1290 mm |
| Wheelbase Size | 2790 mm | 2497 mm |
| Fuel Tank Capacity | 70 L | 55 L |
