2009 BMW Z4 vs. 1986 Mazda 929
To start off, 2009 BMW Z4 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Mazda 929. In addition, the cost of maintenance, including insurance, on 1986 Mazda 929 would be higher. At 2,979 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 246 more horse power than 1986 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1986 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 375 kg more than 1986 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, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 155 more torque (in Nm) than 1986 Mazda 929. (160 Nm @ 2600 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Mazda 929.
Compare all specifications:
| 2009 BMW Z4 | 1986 Mazda 929 | |
| Make | BMW | Mazda |
| Model | Z4 | 929 |
| Year Released | 2009 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 335 HP | 89 HP |
| Engine RPM | 7900 RPM | 4800 RPM |
| Torque | 315 Nm | 160 Nm |
| Torque RPM | 2750 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1525 kg | 1150 kg |
| Vehicle Length | 4100 mm | 4710 mm |
| Vehicle Width | 1790 mm | 1700 mm |
| Vehicle Height | 1310 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
