2007 Audi A4 vs. 1991 Opel Kadett
To start off, 2007 Audi A4 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 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 171 more horse power than 1991 Opel Kadett. (81 HP @ 5800 RPM). In normal driving conditions, 2007 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, 2007 Audi A4 (330 Nm @ 3250 RPM) has 198 more torque (in Nm) than 1991 Opel Kadett. (132 Nm @ 2600 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Kadett. 2007 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. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1991 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2007 | 1991 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 81 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 330 Nm | 132 Nm |
| Torque RPM | 3250 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 | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4590 mm | 4000 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1390 mm |
