2005 Audi S4 vs. 1985 Opel Kadett
To start off, 2005 Audi S4 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1985 Opel Kadett would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 225 more horse power than 1985 Opel Kadett. (115 HP @ 5800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1985 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 910 kg more than 1985 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 260 more torque (in Nm) than 1985 Opel Kadett. (150 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Opel Kadett.
Compare all specifications:
| 2005 Audi S4 | 1985 Opel Kadett | |
| Make | Audi | Opel |
| Model | S4 | Kadett |
| Year Released | 2005 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 115 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 410 Nm | 150 Nm |
| Engine Bore Size | 85 mm | 84.8 mm |
| Engine Stroke Size | 93 mm | 79.5 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1840 kg | 930 kg |
| Vehicle Length | 4580 mm | 4010 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2660 mm | 2530 mm |
