1981 Bitter SC vs. 2006 Smart ForFour
To start off, 2006 Smart ForFour is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Bitter SC. In addition, the cost of maintenance, including insurance, on 1981 Bitter SC would be higher. At 2,969 cc (6 cylinders), 1981 Bitter SC is equipped with a bigger engine. In terms of performance, 1981 Bitter SC (177 HP @ 5800 RPM) has 69 more horse power than 2006 Smart ForFour. (108 HP @ 6000 RPM). In normal driving conditions, 1981 Bitter SC should accelerate faster than 2006 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 1981 Bitter SC weights approximately 375 kg more than 2006 Smart ForFour. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Bitter SC is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 Bitter SC. However, in wet, icy, snow, or gravel driving conditions, 2006 Smart ForFour, being front wheel drive (FWD), will offer much better control with better grip. 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 Bitter SC (248 Nm @ 4200 RPM) has 103 more torque (in Nm) than 2006 Smart ForFour. (145 Nm @ 4000 RPM). This means 1981 Bitter SC will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForFour.
Compare all specifications:
| 1981 Bitter SC | 2006 Smart ForFour | |
| Make | Bitter | Smart |
| Model | SC | ForFour |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 1499 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 177 HP | 108 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 248 Nm | 145 Nm |
| Torque RPM | 4200 RPM | 4000 RPM |
| Engine Bore Size | 95.1 mm | 75.1 mm |
| Engine Stroke Size | 69.8 mm | 84.4 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 10.1 seconds | 9.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1350 kg | 975 kg |
| Vehicle Length | 4920 mm | 3760 mm |
| Vehicle Width | 1830 mm | 1690 mm |
| Vehicle Height | 1360 mm | 1460 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
