1975 BMW 520 vs. 1975 Mazda RX 4 Coupe
To start off, both 1975 BMW 520 and 1975 Mazda RX 4 Coupe were released in the same year (1975). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,616 cc (2 cylinders), 1975 Mazda RX 4 Coupe is equipped with a bigger engine. In terms of performance, 1975 BMW 520 (123 HP @ 5700 RPM) has 9 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 1975 BMW 520 should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1975 BMW 520 weights approximately 185 kg more than 1975 Mazda RX 4 Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 BMW 520 (172 Nm @ 4350 RPM) has 7 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 1975 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 1975 BMW 520 | 1975 Mazda RX 4 Coupe | |
| Make | BMW | Mazda |
| Model | 520 | RX 4 Coupe |
| Year Released | 1975 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2616 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 114 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 172 Nm | 165 Nm |
| Torque RPM | 4350 RPM | 4000 RPM |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1295 kg | 1110 kg |
| Vehicle Length | 4630 mm | 4400 mm |
| Vehicle Width | 1700 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2640 mm | 2520 mm |
