1976 BMW 630 vs. 2006 BMW 325
To start off, 2006 BMW 325 is newer by 30 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, 2006 BMW 325 (189 HP @ 6000 RPM) has 16 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM) In normal driving conditions, 2006 BMW 325 should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 325 weights approximately 172 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.
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 6 more torque (in Nm) than 2006 BMW 325. (245 Nm @ 3500 RPM). This means 1976 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 325.
Compare all specifications:
| 1976 BMW 630 | 2006 BMW 325 | |
| Make | BMW | BMW |
| Model | 630 | 325 |
| Year Released | 1976 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 189 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 251 Nm | 245 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 80 mm | 75 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1458 kg | 1630 kg |
| Vehicle Length | 4760 mm | 4490 mm |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2630 mm | 2730 mm |
