2003 BMW Z4 vs. 2004 BMW 630
To start off, 2004 BMW 630 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW Z4. In addition, the cost of maintenance, including insurance, on 2003 BMW Z4 would be higher. At 2,999 cc (6 cylinders), 2003 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 27 more horse power than 2003 BMW Z4. (227 HP @ 6000 RPM) In normal driving conditions, 2004 BMW 630 should accelerate faster than 2003 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 486 kg more than 2003 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, 2004 BMW 630 (300 Nm @ 2500 RPM) has 9 more torque (in Nm) than 2003 BMW Z4. (291 Nm @ 3500 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW Z4. 2004 BMW 630 has automatic transmission and 2003 BMW Z4 has manual transmission. 2003 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 BMW Z4 | 2004 BMW 630 | |
Make | BMW | BMW |
Model | Z4 | 630 |
Year Released | 2003 | 2004 |
Body Type | Convertible | Convertible |
Engine Position | Front | Front |
Engine Size | 2999 cc | 2983 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 227 HP | 254 HP |
Engine RPM | 6000 RPM | 6600 RPM |
Torque | 291 Nm | 300 Nm |
Torque RPM | 3500 RPM | 2500 RPM |
Engine Bore Size | 84 mm | 85 mm |
Engine Stroke Size | 90 mm | 88 mm |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1290 kg | 1776 kg |
Vehicle Length | 4100 mm | 4830 mm |
Vehicle Width | 1790 mm | 1860 mm |
Vehicle Height | 1310 mm | 1380 mm |
Wheelbase Size | 2500 mm | 2730 mm |
Fuel Tank Capacity | 55 L | 70 L |