2007 Audi S8 vs. 1991 Opel Kadett
To start off, 2007 Audi S8 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1991 Opel Kadett would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 363 more horse power than 1991 Opel Kadett. (81 HP @ 5800 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 1991 Opel Kadett.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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, 2007 Audi S8 (540 Nm @ 3500 RPM) has 408 more torque (in Nm) than 1991 Opel Kadett. (132 Nm @ 2600 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Kadett. 2007 Audi S8 has automatic transmission and 1991 Opel Kadett has manual transmission. 1991 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S8 | 1991 Opel Kadett | |
| Make | Audi | Opel |
| Model | S8 | Kadett |
| Year Released | 2007 | 1991 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1598 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 81 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 540 Nm | 132 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Engine Bore Size | 84.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 5070 mm | 4000 mm |
| Vehicle Width | 1900 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1390 mm |
