2006 Smart Roadster vs. 1981 Bitter SC
To start off, 2006 Smart Roadster 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 96 more horse power than 2006 Smart Roadster. (81 HP @ 5250 RPM) In normal driving conditions, 1981 Bitter SC should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 1981 Bitter SC weights approximately 465 kg more than 2006 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Bitter SC (248 Nm @ 4200 RPM) has 138 more torque (in Nm) than 2006 Smart Roadster. (110 Nm @ 3000 RPM). This means 1981 Bitter SC will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster.
Compare all specifications:
| 2006 Smart Roadster | 1981 Bitter SC | |
| Make | Smart | Bitter |
| Model | Roadster | SC |
| Year Released | 2006 | 1981 |
| Engine Position | Rear | Front |
| Engine Size | 698 cc | 2969 cc |
| Engine Cylinders | 3 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 177 HP |
| Engine RPM | 5250 RPM | 5800 RPM |
| Torque | 110 Nm | 248 Nm |
| Torque RPM | 3000 RPM | 4200 RPM |
| Engine Bore Size | 66.5 mm | 95.1 mm |
| Engine Stroke Size | 67 mm | 69.8 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 10.9 seconds | 10.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 885 kg | 1350 kg |
| Vehicle Length | 3430 mm | 4920 mm |
| Vehicle Width | 1620 mm | 1830 mm |
| Vehicle Height | 1200 mm | 1360 mm |
| Wheelbase Size | 2370 mm | 2690 mm |
