1971 Opel Kadett vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1971 Opel Kadett would be higher. At 2,965 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (222 HP @ 4000 RPM) has 163 more horse power than 1971 Opel Kadett. (59 HP @ 5400 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 850 kg more than 1971 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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 A4 (450 Nm @ 1400 RPM) has 362 more torque (in Nm) than 1971 Opel Kadett. (88 Nm @ 3400 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett. 2009 Audi A4 has automatic transmission and 1971 Opel Kadett has manual transmission. 1971 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:
| 1971 Opel Kadett | 2009 Audi A4 | |
| Make | Opel | Audi |
| Model | Kadett | A4 |
| Year Released | 1971 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 2965 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 59 HP | 222 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 88 Nm | 450 Nm |
| Torque RPM | 3400 RPM | 1400 RPM |
| Engine Bore Size | 79 mm | 83 mm |
| Engine Stroke Size | 61 mm | 91.4 mm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 760 kg | 1610 kg |
| Vehicle Length | 4190 mm | 4550 mm |
| Vehicle Width | 1590 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2660 mm |
| Fuel Tank Capacity | 40 L | 70 L |
