1981 Bitter SC vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 24 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 3,175 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (208 HP @ 6200 RPM) has 28 more horse power than 1981 Bitter SC. (180 HP @ 5800 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1981 Bitter SC. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 275 kg more than 1981 Bitter SC. 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, 2005 Opel Vectra, 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, 2005 Opel Vectra (300 Nm @ 4000 RPM) has 52 more torque (in Nm) than 1981 Bitter SC. (248 Nm @ 4200 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1981 Bitter SC.
Compare all specifications:
| 1981 Bitter SC | 2005 Opel Vectra | |
| Make | Bitter | Opel |
| Model | SC | Vectra |
| Year Released | 1981 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 180 HP | 208 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 248 Nm | 300 Nm |
| Torque RPM | 4200 RPM | 4000 RPM |
| Engine Bore Size | 95.1 mm | 87.5 mm |
| Engine Stroke Size | 69.8 mm | 88 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Acceleration 0-100mph | 10.1 seconds | 8.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1350 kg | 1625 kg |
| Vehicle Length | 4920 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1510 mm |
| Wheelbase Size | 2690 mm | 2700 mm |
| Fuel Tank Capacity | 75 L | 60 L |
