1974 Mazda 929 vs. 2005 BMW Z4
To start off, 2005 BMW Z4 is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Mazda 929. In addition, the cost of maintenance, including insurance, on 1974 Mazda 929 would be higher. At 2,489 cc (6 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (184 HP @ 6100 RPM) has 101 more horse power than 1974 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2005 BMW Z4 should accelerate faster than 1974 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW Z4 weights approximately 325 kg more than 1974 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, 2005 BMW Z4 (237 Nm @ 3500 RPM) has 103 more torque (in Nm) than 1974 Mazda 929. (134 Nm @ 3000 RPM). This means 2005 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 929.
Compare all specifications:
| 1974 Mazda 929 | 2005 BMW Z4 | |
| Make | Mazda | BMW |
| Model | 929 | Z4 |
| Year Released | 1974 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2489 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 184 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 134 Nm | 237 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 88 mm | 75 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1395 kg |
| Vehicle Length | 4550 mm | 4100 mm |
| Vehicle Width | 1670 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2500 mm |
| Fuel Tank Capacity | 55 L | 55 L |
