1958 BMW 503 vs. 1978 Mazda 929
To start off, 1978 Mazda 929 is newer by 20 year(s). Which means there will be less support and parts availability for 1958 BMW 503. In addition, the cost of maintenance, including insurance, on 1958 BMW 503 would be higher. At 3,168 cc (8 cylinders), 1958 BMW 503 is equipped with a bigger engine. In terms of performance, 1958 BMW 503 (138 HP @ 4800 RPM) has 55 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1958 BMW 503 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1958 BMW 503 weights approximately 430 kg more than 1978 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1958 BMW 503 (222 Nm @ 2500 RPM) has 88 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 1958 BMW 503 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1958 BMW 503 | 1978 Mazda 929 | |
| Make | BMW | Mazda |
| Model | 503 | 929 |
| Year Released | 1958 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 138 HP | 83 HP |
| Engine RPM | 4800 RPM | 5000 RPM |
| Torque | 222 Nm | 134 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 80 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1070 kg |
| Vehicle Length | 4760 mm | 4410 mm |
| Vehicle Width | 1710 mm | 1670 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2520 mm |
| Fuel Tank Capacity | 75 L | 55 L |
