1976 BMW 630 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 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 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (315 HP @ 6800 RPM) has 133 more horse power than 1976 BMW 630. (182 HP @ 5800 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 114 kg more than 1976 BMW 630. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1976 BMW 630. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 115 more torque (in Nm) than 1976 BMW 630. (255 Nm @ 3500 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 1976 BMW 630 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 630 | 911 |
| Year Released | 1976 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2986 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 182 HP | 315 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 255 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 89 mm | 96 mm |
| Engine Stroke Size | 80 mm | 82.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Top Speed | 211 km/hour | 280 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1451 kg | 1565 kg |
| Vehicle Length | 4760 mm | 4440 mm |
| Vehicle Width | 1760 mm | 1840 mm |
| Vehicle Height | 1390 mm | 1300 mm |
| Wheelbase Size | 2630 mm | 2360 mm |
