2009 Audi A8 vs. 1979 Opel Kadett
To start off, 2009 Audi A8 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1979 Opel Kadett would be higher. At 4,163 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (350 HP @ 6800 RPM) has 260 more horse power than 1979 Opel Kadett. (90 HP @ 5800 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 1979 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 194 kg more than 1979 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 will offer significantly more control. 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, 2009 Audi A8 (441 Nm @ 3500 RPM) has 315 more torque (in Nm) than 1979 Opel Kadett. (126 Nm @ 3800 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1979 Opel Kadett. 2009 Audi A8 has automatic transmission and 1979 Opel Kadett has manual transmission. 1979 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 1979 Opel Kadett | |
| Make | Audi | Opel |
| Model | A8 | Kadett |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1584 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 350 HP | 90 HP |
| Engine RPM | 6800 RPM | 5800 RPM |
| Torque | 441 Nm | 126 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Engine Compression Ratio | 12.5:1 | 9.2:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1164 kg | 970 kg |
| Vehicle Length | 5200 mm | 4000 mm |
| Vehicle Width | 1900 mm | 1670 mm |
| Vehicle Height | 1460 mm | 1390 mm |
| Wheelbase Size | 3080 mm | 2400 mm |
| Fuel Tank Capacity | 90 L | 42 L |
