1984 BMW 725 vs. 2007 BMW 330
To start off, 2007 BMW 330 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 2,996 cc (6 cylinders), 2007 BMW 330 is equipped with a bigger engine. In terms of performance, 2007 BMW 330 (254 HP @ 6600 RPM) has 106 more horse power than 1984 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2007 BMW 330 should accelerate faster than 1984 BMW 725.
Because 2007 BMW 330 is four wheel drive (4WD), it will have significant more traction and grip than 1984 BMW 725. In wet, icy, snow, or gravel driving conditions, 2007 BMW 330 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 BMW 330 (300 Nm @ 2500 RPM) has 85 more torque (in Nm) than 1984 BMW 725. (215 Nm @ 4000 RPM). This means 2007 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 725.
Compare all specifications:
| 1984 BMW 725 | 2007 BMW 330 | |
| Make | BMW | BMW |
| Model | 725 | 330 |
| Year Released | 1984 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 254 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 215 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Compression Ratio | 9.6:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4870 mm | 4230 mm |
| Vehicle Width | 1810 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2770 mm |
