1976 BMW 630 vs. 2006 Cadillac SRX
To start off, 2006 Cadillac SRX 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 3,563 cc (6 cylinders), 2006 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2006 Cadillac SRX (260 HP @ 6500 RPM) has 87 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM) In normal driving conditions, 2006 Cadillac SRX should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac SRX weights approximately 431 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 2006 Cadillac SRX 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, 2006 Cadillac SRX 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, 2006 Cadillac SRX (344 Nm @ 2800 RPM) has 93 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2006 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 1976 BMW 630 | 2006 Cadillac SRX | |
| Make | BMW | Cadillac |
| Model | 630 | SRX |
| Year Released | 1976 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 3563 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 260 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 251 Nm | 344 Nm |
| Torque RPM | 4500 RPM | 2800 RPM |
| Engine Bore Size | 89 mm | 94 mm |
| Engine Stroke Size | 80 mm | 85.6 mm |
| Engine Compression Ratio | 8.0:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1458 kg | 1889 kg |
| Vehicle Length | 4760 mm | 4960 mm |
| Vehicle Width | 1760 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1730 mm |
| Wheelbase Size | 2630 mm | 2950 mm |
