1981 BMW 725 vs. 2006 Smart ForTwo
To start off, 2006 Smart ForTwo is newer by 25 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 88 more horse power than 2006 Smart ForTwo. (60 HP @ 5250 RPM). In normal driving conditions, 1981 BMW 725 should accelerate faster than 2006 Smart ForTwo.
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, 1981 BMW 725 (215 Nm @ 4000 RPM) has 120 more torque (in Nm) than 2006 Smart ForTwo. (95 Nm @ 2000 RPM). This means 1981 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForTwo.
Compare all specifications:
| 1981 BMW 725 | 2006 Smart ForTwo | |
| Make | BMW | Smart |
| Model | 725 | ForTwo |
| Year Released | 1981 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2493 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 148 HP | 60 HP |
| Engine RPM | 5500 RPM | 5250 RPM |
| Torque | 215 Nm | 95 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 66.5 mm |
| Engine Stroke Size | 71.6 mm | 67 mm |
| Engine Compression Ratio | 9.6:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4870 mm | 2510 mm |
| Vehicle Width | 1810 mm | 1540 mm |
| Vehicle Height | 1440 mm | 1560 mm |
| Wheelbase Size | 2810 mm | 1820 mm |
