2005 BMW Z4 vs. 1976 BMW 630
To start off, 2005 BMW Z4 is newer by 29 year(s). Which means there will be less support and parts availability for 1976 BMW 630. In addition, the cost of maintenance, including insurance, on 1976 BMW 630 would be higher. At 2,986 cc (6 cylinders), 1976 BMW 630 is equipped with a bigger engine. In terms of performance, 1976 BMW 630 (173 HP @ 5500 RPM) has 5 more horse power than 2005 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 1976 BMW 630 should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 630 weights approximately 133 kg more than 2005 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, 1976 BMW 630 (251 Nm @ 4500 RPM) has 41 more torque (in Nm) than 2005 BMW Z4. (210 Nm @ 3500 RPM). This means 1976 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4.
Compare all specifications:
2005 BMW Z4 | 1976 BMW 630 | |
Make | BMW | BMW |
Model | Z4 | 630 |
Year Released | 2005 | 1976 |
Body Type | Convertible | Coupe |
Engine Position | Front | Front |
Engine Size | 2171 cc | 2986 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 168 HP | 173 HP |
Engine RPM | 6250 RPM | 5500 RPM |
Torque | 210 Nm | 251 Nm |
Torque RPM | 3500 RPM | 4500 RPM |
Engine Bore Size | 80 mm | 89 mm |
Engine Stroke Size | 72 mm | 80 mm |
Engine Compression Ratio | 10.8:1 | 8.0:1 |
Drive Type | Rear | Rear |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1325 kg | 1458 kg |
Vehicle Length | 4100 mm | 4760 mm |
Vehicle Width | 1790 mm | 1760 mm |
Vehicle Height | 1310 mm | 1390 mm |
Wheelbase Size | 2500 mm | 2630 mm |