1977 BMW 520 vs. 2007 Mazda CX-9
To start off, 2007 Mazda CX-9 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 3,496 cc (6 cylinders), 2007 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2007 Mazda CX-9 (263 HP @ 6250 RPM) has 129 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM) In normal driving conditions, 2007 Mazda CX-9 should accelerate faster than 1977 BMW 520.
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 CX-9, 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 CX-9 (338 Nm @ 4500 RPM) has 58 more torque (in Nm) than 1977 BMW 520. (280 Nm @ 1750 RPM). This means 2007 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520. 2007 Mazda CX-9 has automatic transmission and 1977 BMW 520 has manual transmission. 1977 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 520 | 2007 Mazda CX-9 | |
| Make | BMW | Mazda |
| Model | 520 | CX-9 |
| Year Released | 1977 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 3496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 263 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 280 Nm | 338 Nm |
| Torque RPM | 1750 RPM | 4500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4780 mm | 5080 mm |
| Vehicle Width | 1810 mm | 1940 mm |
| Vehicle Height | 1440 mm | 1740 mm |
| Wheelbase Size | 2840 mm | 2880 mm |
| Fuel Consumption | 4.7 L/100km | 9.8 L/100km |
| Fuel Consumption City | 7.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 5.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
