2005 Audi A8 vs. 1971 Opel Kadett
To start off, 2005 Audi A8 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1971 Opel Kadett would be higher. At 4,178 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 276 more horse power than 1971 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 1185 kg more than 1971 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 A8 (430 Nm) has 342 more torque (in Nm) than 1971 Opel Kadett. (88 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 2005 Audi A8 | 1971 Opel Kadett | |
| Make | Audi | Opel |
| Model | A8 | Kadett |
| Year Released | 2005 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 1196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 59 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 430 Nm | 88 Nm |
| Engine Bore Size | 85 mm | 79 mm |
| Engine Stroke Size | 93 mm | 61 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 760 kg |
| Vehicle Length | 5060 mm | 4190 mm |
| Vehicle Width | 1900 mm | 1590 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2430 mm |
| Fuel Tank Capacity | 90 L | 40 L |
