2009 BMW Z4 vs. 1977 Opel Kadett
To start off, 2009 BMW Z4 is newer by 32 year(s). Which means there will be less support and parts availability for 1977 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1977 Opel Kadett would be higher. At 2,497 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 107 more horse power than 1977 Opel Kadett. (108 HP @ 5400 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 512 kg more than 1977 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, 2009 BMW Z4 (250 Nm @ 2750 RPM) has 88 more torque (in Nm) than 1977 Opel Kadett. (162 Nm @ 3400 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett.
Compare all specifications:
| 2009 BMW Z4 | 1977 Opel Kadett | |
| Make | BMW | Opel |
| Model | Z4 | Kadett |
| Year Released | 2009 | 1977 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 108 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 250 Nm | 162 Nm |
| Torque RPM | 2750 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 93.1 mm |
| Engine Stroke Size | 78.8 mm | 69.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1362 kg | 850 kg |
| Vehicle Length | 4100 mm | 4140 mm |
| Vehicle Width | 1310 mm | 1590 mm |
| Vehicle Height | 1790 mm | 1350 mm |
| Wheelbase Size | 2500 mm | 2430 mm |
| Fuel Tank Capacity | 55 L | 70 L |
