1991 Opel Kadett vs. 2011 Audi S4
To start off, 2011 Audi S4 is newer by 20 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 3,000 cc (6 cylinders), 2011 Audi S4 is equipped with a bigger engine. In terms of performance, 2011 Audi S4 (333 HP @ 5500 RPM) has 252 more horse power than 1991 Opel Kadett. (81 HP @ 5800 RPM) In normal driving conditions, 2011 Audi S4 should accelerate faster than 1991 Opel Kadett.
Because 2011 Audi S4 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, 2011 Audi S4 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, 2011 Audi S4 (440 Nm @ 2900 RPM) has 308 more torque (in Nm) than 1991 Opel Kadett. (132 Nm @ 2600 RPM). This means 2011 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Kadett. 2011 Audi S4 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. 2011 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Kadett | 2011 Audi S4 | |
| Make | Opel | Audi |
| Model | Kadett | S4 |
| Year Released | 1991 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 81 HP | 333 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 132 Nm | 440 Nm |
| Torque RPM | 2600 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 7-speed automated manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Length | 4000 mm | 4704 mm |
| Vehicle Width | 1670 mm | 1780 mm |
| Vehicle Height | 1390 mm | 1427 mm |
