2005 BMW 325 vs. 1981 Mazda 929
To start off, 2005 BMW 325 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Mazda 929. In addition, the cost of maintenance, including insurance, on 1981 Mazda 929 would be higher. At 2,497 cc (6 cylinders), 2005 BMW 325 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (215 HP @ 6500 RPM) has 126 more horse power than 1981 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 2005 BMW 325 should accelerate faster than 1981 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 344 kg more than 1981 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 325 (250 Nm @ 2750 RPM) has 90 more torque (in Nm) than 1981 Mazda 929. (160 Nm @ 2500 RPM). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 929.
Compare all specifications:
| 2005 BMW 325 | 1981 Mazda 929 | |
| Make | BMW | Mazda |
| Model | 325 | 929 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1969 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 89 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 250 Nm | 160 Nm |
| Torque RPM | 2750 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 80 mm |
| Engine Stroke Size | 78.8 mm | 98 mm |
| Engine Compression Ratio | 11.0:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1494 kg | 1150 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
