2003 Mazda Roadster vs. 1977 Opel Kadett
To start off, 2003 Mazda Roadster is newer by 26 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 1,839 cc (4 cylinders), 2003 Mazda Roadster is equipped with a bigger engine. In terms of performance, 2003 Mazda Roadster (157 HP @ 7000 RPM) has 106 more horse power than 1977 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 2003 Mazda Roadster should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda Roadster weights approximately 270 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, 2003 Mazda Roadster (170 Nm @ 5500 RPM) has 89 more torque (in Nm) than 1977 Opel Kadett. (81 Nm @ 3400 RPM). This means 2003 Mazda Roadster will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett.
Compare all specifications:
| 2003 Mazda Roadster | 1977 Opel Kadett | |
| Make | Mazda | Opel |
| Model | Roadster | Kadett |
| Year Released | 2003 | 1977 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1839 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 157 HP | 51 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 170 Nm | 81 Nm |
| Torque RPM | 5500 RPM | 3400 RPM |
| Engine Bore Size | 83 mm | 79 mm |
| Engine Stroke Size | 85 mm | 61 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1060 kg | 790 kg |
| Vehicle Length | 3960 mm | 4140 mm |
| Vehicle Width | 1690 mm | 1590 mm |
| Vehicle Height | 1240 mm | 1290 mm |
| Wheelbase Size | 2370 mm | 2410 mm |
| Fuel Tank Capacity | 48 L | 43 L |
