2008 BMW Z4 vs. 1975 Mazda 929
To start off, 2008 BMW Z4 is newer by 33 year(s). Which means there will be less support and parts availability for 1975 Mazda 929. In addition, the cost of maintenance, including insurance, on 1975 Mazda 929 would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 255 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 425 kg more than 1975 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 231 more torque (in Nm) than 1975 Mazda 929. (134 Nm @ 3000 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 2008 BMW Z4 | 1975 Mazda 929 | |
| Make | BMW | Mazda |
| Model | Z4 | 929 |
| Year Released | 2008 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 338 HP | 83 HP |
| Engine RPM | 7900 RPM | 5000 RPM |
| Torque | 365 Nm | 134 Nm |
| Torque RPM | 4900 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 80.1 mm |
| Engine Stroke Size | 91 mm | 88 mm |
| Engine Compression Ratio | 11.5:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1070 kg |
| Vehicle Length | 4870 mm | 4410 mm |
| Vehicle Width | 1790 mm | 1670 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2520 mm |
| Fuel Tank Capacity | 60 L | 55 L |
