2007 BMW 545 vs. 1981 Mazda 323
To start off, 2007 BMW 545 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 4,397 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 275 more horse power than 1981 Mazda 323. (53 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 545 should accelerate faster than 1981 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 1125 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 545 (450 Nm @ 3600 RPM) has 371 more torque (in Nm) than 1981 Mazda 323. (79 Nm @ 4000 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 323.
Compare all specifications:
| 2007 BMW 545 | 1981 Mazda 323 | |
| Make | BMW | Mazda |
| Model | 545 | 323 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 1069 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 53 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 79 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1975 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 |
