1976 BMW 630 vs. 2007 Mazda 6
To start off, 2007 Mazda 6 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 2,986 cc (6 cylinders), 1976 BMW 630 is equipped with a bigger engine. In terms of performance, 1976 BMW 630 (173 HP @ 5500 RPM) has 39 more horse power than 2007 Mazda 6. (134 HP @ 3500 RPM). In normal driving conditions, 1976 BMW 630 should accelerate faster than 2007 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 82 kg more than 1976 BMW 630.
Because 1976 BMW 630 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1976 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2007 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Mazda 6 (310 Nm @ 2000 RPM) has 59 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 1976 BMW 630 | 2007 Mazda 6 | |
| Make | BMW | Mazda |
| Model | 630 | 6 |
| Year Released | 1976 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 134 HP |
| Engine RPM | 5500 RPM | 3500 RPM |
| Torque | 251 Nm | 310 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 80 mm | 86 mm |
| Engine Compression Ratio | 8.0:1 | 18.3:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1458 kg | 1540 kg |
| Vehicle Length | 4760 mm | 4710 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1390 mm | 1490 mm |
| Wheelbase Size | 2630 mm | 2680 mm |
