2005 BMW Z4 vs. 1986 Mazda 929
To start off, 2005 BMW Z4 is newer by 19 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 2,171 cc (6 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (168 HP @ 6250 RPM) has 79 more horse power than 1986 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 2005 BMW Z4 should accelerate faster than 1986 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW Z4 weights approximately 175 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, 2005 BMW Z4 (210 Nm @ 3500 RPM) has 50 more torque (in Nm) than 1986 Mazda 929. (160 Nm @ 2600 RPM). This means 2005 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Mazda 929.
Compare all specifications:
| 2005 BMW Z4 | 1986 Mazda 929 | |
| Make | BMW | Mazda |
| Model | Z4 | 929 |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 89 HP |
| Engine RPM | 6250 RPM | 4800 RPM |
| Torque | 210 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1325 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 |
