1973 Opel Kadett vs. 2007 BMW 523
To start off, 2007 BMW 523 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1973 Opel Kadett would be higher. At 2,497 cc (6 cylinders), 2007 BMW 523 is equipped with a bigger engine. In terms of performance, 2007 BMW 523 (175 HP @ 5800 RPM) has 124 more horse power than 1973 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 2007 BMW 523 should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 770 kg more than 1973 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 BMW 523 (230 Nm @ 3500 RPM) has 150 more torque (in Nm) than 1973 Opel Kadett. (80 Nm @ 3400 RPM). This means 2007 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Kadett. 2007 BMW 523 has automatic transmission and 1973 Opel Kadett has manual transmission. 1973 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 523 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Opel Kadett | 2007 BMW 523 | |
| Make | Opel | BMW |
| Model | Kadett | 523 |
| Year Released | 1973 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 175 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 80 Nm | 230 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 79 mm | 78.8 mm |
| Engine Stroke Size | 61 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 795 kg | 1565 kg |
| Vehicle Length | 3900 mm | 4850 mm |
| Vehicle Width | 1590 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2890 mm |
| Fuel Tank Capacity | 43 L | 70 L |
