2006 BMW Z4 vs. 1984 Mazda 929
To start off, 2006 BMW Z4 is newer by 22 year(s). Which means there will be less support and parts availability for 1984 Mazda 929. In addition, the cost of maintenance, including insurance, on 1984 Mazda 929 would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 100 more horse power than 1984 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1984 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 183 kg more than 1984 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 85 more torque (in Nm) than 1984 Mazda 929. (160 Nm @ 2600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Mazda 929.
Compare all specifications:
| 2006 BMW Z4 | 1984 Mazda 929 | |
| Make | BMW | Mazda |
| Model | Z4 | 929 |
| Year Released | 2006 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 89 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 245 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1335 kg | 1152 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 |
