1976 BMW 630 vs. 2007 BMW 330
To start off, 2007 BMW 330 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 2,993 cc (6 cylinders), 2007 BMW 330 is equipped with a bigger engine. In terms of performance, 2007 BMW 330 (215 HP @ 4000 RPM) has 42 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM) In normal driving conditions, 2007 BMW 330 should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 330 weights approximately 82 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 330 (480 Nm @ 1750 RPM) has 229 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2007 BMW 330 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 330 | |
| Make | BMW | BMW |
| Model | 630 | 330 |
| Year Released | 1976 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 215 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 251 Nm | 480 Nm |
| Torque RPM | 4500 RPM | 1750 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 80 mm | 90 mm |
| Engine Compression Ratio | 8.0:1 | 17.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1458 kg | 1540 kg |
| Vehicle Length | 4760 mm | 4530 mm |
| Vehicle Width | 1760 mm | 1430 mm |
| Vehicle Height | 1390 mm | 1820 mm |
| Wheelbase Size | 2630 mm | 2770 mm |
