2009 Audi A4 vs. 1991 Opel Kadett
To start off, 2009 Audi A4 is newer by 18 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 1,798 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 77 more horse power than 1991 Opel Kadett. (81 HP @ 5800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1991 Opel Kadett.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 A4 (250 Nm @ 1500 RPM) has 118 more torque (in Nm) than 1991 Opel Kadett. (132 Nm @ 2600 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Kadett. 2009 Audi A4 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. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 1991 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 158 HP | 81 HP |
| Engine RPM | 4500 RPM | 5800 RPM |
| Torque | 250 Nm | 132 Nm |
| Torque RPM | 1500 RPM | 2600 RPM |
| Engine Bore Size | 82.5 mm | 80 mm |
| Engine Stroke Size | 84.1 mm | 79.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4710 mm | 4000 mm |
| Vehicle Width | 2010 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1390 mm |
