1973 Opel Kadett vs. 2008 BMW 525
To start off, 2008 BMW 525 is newer by 35 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), 2008 BMW 525 is equipped with a bigger engine. In terms of performance, 2008 BMW 525 (215 HP @ 6500 RPM) has 164 more horse power than 1973 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 2008 BMW 525 should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 760 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.
Because 2008 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2008 BMW 525 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, 2008 BMW 525 (250 Nm @ 2750 RPM) has 170 more torque (in Nm) than 1973 Opel Kadett. (80 Nm @ 3400 RPM). This means 2008 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Kadett. 2008 BMW 525 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. 2008 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Opel Kadett | 2008 BMW 525 | |
| Make | Opel | BMW |
| Model | Kadett | 525 |
| Year Released | 1973 | 2008 |
| Body Type | Coupe | Station Wagon |
| 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 | 215 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 80 Nm | 250 Nm |
| Torque RPM | 3400 RPM | 2750 RPM |
| Engine Bore Size | 79 mm | 78.9 mm |
| Engine Stroke Size | 61 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 790 kg | 1550 kg |
| Vehicle Length | 4140 mm | 4850 mm |
| Vehicle Width | 1590 mm | 1850 mm |
| Vehicle Height | 1290 mm | 1500 mm |
| Wheelbase Size | 2410 mm | 2840 mm |
| Fuel Tank Capacity | 43 L | 70 L |
