1975 BMW 315 vs. 1980 Mazda 323
To start off, 1980 Mazda 323 is newer by 5 year(s). Which means there will be less support and parts availability for 1975 BMW 315. In addition, the cost of maintenance, including insurance, on 1975 BMW 315 would be higher. At 1,574 cc (4 cylinders), 1975 BMW 315 is equipped with a bigger engine. In terms of performance, 1975 BMW 315 (75 HP) has 1 more horse power than 1980 Mazda 323. (74 HP). In normal driving conditions, 1975 BMW 315 should accelerate faster than 1980 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 1975 BMW 315 weights approximately 130 kg more than 1980 Mazda 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1980 Mazda 323 (116 Nm @ 3000 RPM) has 6 more torque (in Nm) than 1975 BMW 315. (110 Nm @ 3200 RPM). This means 1980 Mazda 323 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 315.
Compare all specifications:
| 1975 BMW 315 | 1980 Mazda 323 | |
| Make | BMW | Mazda |
| Model | 315 | 323 |
| Year Released | 1975 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 1490 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 74 HP |
| Torque | 110 Nm | 116 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 77.1 mm |
| Engine Stroke Size | 71 mm | 80 mm |
| Engine Compression Ratio | 9.5:1 | 9.0:1 |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1010 kg | 880 kg |
| Vehicle Length | 4360 mm | 3960 mm |
| Vehicle Width | 1620 mm | 1640 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2370 mm |
