2005 BMW Z4 vs. 1978 Mazda 929
To start off, 2005 BMW Z4 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 1,995 cc (4 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (141 HP @ 6200 RPM) has 58 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2005 BMW Z4 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW Z4 weights approximately 255 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, 2005 BMW Z4 (200 Nm @ 3600 RPM) has 66 more torque (in Nm) than 1978 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 1978 Mazda 929.
Compare all specifications:
| 2005 BMW Z4 | 1978 Mazda 929 | |
| Make | BMW | Mazda |
| Model | Z4 | 929 |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 83 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 200 Nm | 134 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1325 kg | 1070 kg |
| Vehicle Length | 4100 mm | 4410 mm |
| Vehicle Width | 1790 mm | 1670 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2520 mm |
| Fuel Tank Capacity | 55 L | 55 L |
