2007 BMW 320 vs. 1984 BMW 725
To start off, 2007 BMW 320 is newer by 23 year(s). Which means there will be less support and parts availability for 1984 BMW 725. In addition, the cost of maintenance, including insurance, on 1984 BMW 725 would be higher. At 2,495 cc (6 cylinders), 1984 BMW 725 is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar.
Let's talk about torque, 1984 BMW 725 (215 Nm @ 4000 RPM) has 15 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 1984 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 1984 BMW 725 | |
| Make | BMW | BMW |
| Model | 320 | 725 |
| Year Released | 2007 | 1984 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 200 Nm | 215 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 71.6 mm |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4530 mm | 4870 mm |
| Vehicle Width | 1430 mm | 1810 mm |
| Vehicle Height | 1880 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2810 mm |
