2007 BMW 650 vs. 1984 BMW 725
To start off, 2007 BMW 650 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 4,797 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (360 HP @ 6300 RPM) has 212 more horse power than 1984 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2007 BMW 650 should accelerate faster than 1984 BMW 725.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 650 (488 Nm @ 3400 RPM) has 273 more torque (in Nm) than 1984 BMW 725. (215 Nm @ 4000 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 725.
Compare all specifications:
2007 BMW 650 | 1984 BMW 725 | |
Make | BMW | BMW |
Model | 650 | 725 |
Year Released | 2007 | 1984 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 4797 cc | 2495 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 360 HP | 148 HP |
Engine RPM | 6300 RPM | 5500 RPM |
Torque | 488 Nm | 215 Nm |
Torque RPM | 3400 RPM | 4000 RPM |
Engine Bore Size | 93 mm | 86 mm |
Engine Stroke Size | 88.3 mm | 71.6 mm |
Engine Compression Ratio | 11.0:1 | 9.6:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Rear |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Length | 4840 mm | 4870 mm |
Vehicle Width | 1860 mm | 1810 mm |
Vehicle Height | 1380 mm | 1440 mm |
Wheelbase Size | 2790 mm | 2810 mm |