1976 BMW 630 vs. 2007 BMW Convertible
To start off, 2007 BMW Convertible is newer by 31 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 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 189 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM) In normal driving conditions, 2007 BMW Convertible should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 392 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.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3600 RPM) has 239 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 1976 BMW 630 | 2007 BMW Convertible | |
| Make | BMW | BMW |
| Model | 630 | Convertible |
| Year Released | 1976 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 362 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 251 Nm | 490 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1458 kg | 1850 kg |
| Vehicle Length | 4760 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1380 mm |
| Vehicle Height | 1390 mm | 1860 mm |
| Wheelbase Size | 2630 mm | 2790 mm |
