1977 BMW 520 vs. 2007 Mazda 6
To start off, 2007 Mazda 6 is newer by 30 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 2,261 cc (4 cylinders), 2007 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (256 HP @ 5500 RPM) has 122 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM) In normal driving conditions, 2007 Mazda 6 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 211 kg more than 2007 Mazda 6.
Because 1977 BMW 520 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 1977 BMW 520. 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 (380 Nm @ 3000 RPM) has 100 more torque (in Nm) than 1977 BMW 520. (280 Nm @ 1750 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520.
Compare all specifications:
| 1977 BMW 520 | 2007 Mazda 6 | |
| Make | BMW | Mazda |
| Model | 520 | 6 |
| Year Released | 1977 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 2261 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 256 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 280 Nm | 380 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 87.6 mm |
| Engine Stroke Size | 88 mm | 94 mm |
| Engine Compression Ratio | 19.0:1 | 9.5:1 |
| Acceleration 0-100mph | 10.9 seconds | 6.6 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1354 kg |
| Vehicle Length | 4780 mm | 4680 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 60 L |
