2005 BMW M3 vs. 1971 Opel Kadett
To start off, 2005 BMW M3 is newer by 34 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 3,244 cc (6 cylinders), 2005 BMW M3 is equipped with a bigger engine. In terms of performance, 2005 BMW M3 (320 HP @ 7400 RPM) has 261 more horse power than 1971 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 2005 BMW M3 should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M3 weights approximately 930 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.
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, 2005 BMW M3 (337 Nm) has 249 more torque (in Nm) than 1971 Opel Kadett. (88 Nm). This means 2005 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 2005 BMW M3 | 1971 Opel Kadett | |
| Make | BMW | Opel |
| Model | M3 | Kadett |
| Year Released | 2005 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3244 cc | 1196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 320 HP | 59 HP |
| Engine RPM | 7400 RPM | 5400 RPM |
| Torque | 337 Nm | 88 Nm |
| Engine Bore Size | 87 mm | 79 mm |
| Engine Stroke Size | 91 mm | 61 mm |
| Engine Compression Ratio | 11.5:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 760 kg |
| Vehicle Length | 4500 mm | 4190 mm |
| Vehicle Width | 1790 mm | 1590 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2740 mm | 2430 mm |
| Fuel Tank Capacity | 63 L | 40 L |
