2007 BMW 525 vs. 1981 Mazda 323
To start off, 2007 BMW 525 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Mazda 323. In addition, the cost of maintenance, including insurance, on 1981 Mazda 323 would be higher. At 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 162 more horse power than 1981 Mazda 323. (53 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 525 should accelerate faster than 1981 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 430 kg more than 1981 Mazda 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW 525 (251 Nm @ 2750 RPM) has 172 more torque (in Nm) than 1981 Mazda 323. (79 Nm @ 4000 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 323.
Compare all specifications:
| 2007 BMW 525 | 1981 Mazda 323 | |
| Make | BMW | Mazda |
| Model | 525 | 323 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1069 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 53 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 251 Nm | 79 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1280 kg | 850 kg |
| Vehicle Length | 4850 mm | 3960 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1500 mm | 1380 mm |
| Wheelbase Size | 2840 mm | 2370 mm |
