1967 Alfa Romeo Spider vs. 1977 Opel Kadett
To start off, 1977 Opel Kadett is newer by 10 year(s). Which means there will be less support and parts availability for 1967 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1967 Alfa Romeo Spider would be higher. At 2,582 cc (6 cylinders), 1967 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1967 Alfa Romeo Spider (163 HP @ 5900 RPM) has 55 more horse power than 1977 Opel Kadett. (108 HP @ 5400 RPM). In normal driving conditions, 1967 Alfa Romeo Spider should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1967 Alfa Romeo Spider weights approximately 480 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.
Let's talk about torque, 1967 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 58 more torque (in Nm) than 1977 Opel Kadett. (162 Nm @ 3400 RPM). This means 1967 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett.
Compare all specifications:
| 1967 Alfa Romeo Spider | 1977 Opel Kadett | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Kadett |
| Year Released | 1967 | 1977 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 108 HP |
| Engine RPM | 5900 RPM | 5400 RPM |
| Torque | 220 Nm | 162 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Bore Size | 83 mm | 93.1 mm |
| Engine Stroke Size | 79.6 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 850 kg |
| Vehicle Length | 4510 mm | 4140 mm |
| Vehicle Width | 1610 mm | 1590 mm |
| Vehicle Height | 1390 mm | 1350 mm |
| Wheelbase Size | 2510 mm | 2430 mm |
| Fuel Tank Capacity | 47 L | 70 L |
