2001 BMW X5 vs. 1976 BMW 630
To start off, 2001 BMW X5 is newer by 25 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 4,619 cc (8 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2001 BMW X5 (329 HP @ 5700 RPM) has 156 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM). In normal driving conditions, 2001 BMW X5 should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 722 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 2001 BMW X5 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, 2001 BMW X5 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, 2001 BMW X5 (480 Nm @ 3700 RPM) has 229 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 2001 BMW X5 | 1976 BMW 630 | |
| Make | BMW | BMW |
| Model | X5 | 630 |
| Year Released | 2001 | 1976 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4619 cc | 2986 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 329 HP | 173 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 480 Nm | 251 Nm |
| Torque RPM | 3700 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 85 mm | 80 mm |
| Engine Compression Ratio | 10.5:1 | 8.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2180 kg | 1458 kg |
| Vehicle Length | 4670 mm | 4760 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1710 mm | 1390 mm |
| Wheelbase Size | 2830 mm | 2630 mm |
