2004 Audi S4 vs. 1978 Opel Kadett
To start off, 2004 Audi S4 is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1978 Opel Kadett would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 293 more horse power than 1978 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 1075 kg more than 1978 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, 2004 Audi S4 (411 Nm) has 340 more torque (in Nm) than 1978 Opel Kadett. (71 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 2004 Audi S4 | 1978 Opel Kadett | |
| Make | Audi | Opel |
| Model | S4 | Kadett |
| Year Released | 2004 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 992 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 47 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 411 Nm | 71 Nm |
| Engine Bore Size | 85 mm | 72 mm |
| Engine Stroke Size | 93 mm | 61 mm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1895 kg | 820 kg |
| Vehicle Length | 4580 mm | 3900 mm |
| Vehicle Width | 1780 mm | 1590 mm |
| Vehicle Height | 1400 mm | 1320 mm |
| Wheelbase Size | 2770 mm | 2520 mm |
| Fuel Consumption Overall | 11.8 L/100km | 6 L/100km |
| Fuel Tank Capacity | 63 L | 43 L |
