1978 Audi 100 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 1,986 cc (5 cylinders), 1978 Audi 100 is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (125 HP @ 6000 RPM) has 55 more horse power than 1978 Audi 100. (70 HP @ 4800 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 280 kg more than 1978 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2005 Opel Vectra (167 Nm @ 3800 RPM) has 42 more torque (in Nm) than 1978 Audi 100. (125 Nm @ 3000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | 100 | Vectra |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1986 cc | 1796 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 125 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 125 Nm | 167 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 76.5 mm | 80.5 mm |
| Engine Stroke Size | 86.4 mm | 88.2 mm |
| Engine Compression Ratio | 23.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1210 kg | 1490 kg |
| Vehicle Length | 4690 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2680 mm | 2700 mm |
| Fuel Tank Capacity | 60 L | 60 L |
