1985 Alfa Romeo Spider vs. 1973 Opel Admiral
To start off, 1985 Alfa Romeo Spider is newer by 12 year(s). Which means there will be less support and parts availability for 1973 Opel Admiral. In addition, the cost of maintenance, including insurance, on 1973 Opel Admiral would be higher. At 2,784 cc (6 cylinders), 1973 Opel Admiral is equipped with a bigger engine. In terms of performance, 1973 Opel Admiral (142 HP @ 5200 RPM) has 16 more horse power than 1985 Alfa Romeo Spider. (126 HP @ 5400 RPM) In normal driving conditions, 1973 Opel Admiral should accelerate faster than 1985 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1973 Opel Admiral weights approximately 314 kg more than 1985 Alfa Romeo Spider. 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, 1973 Opel Admiral (227 Nm @ 3600 RPM) has 49 more torque (in Nm) than 1985 Alfa Romeo Spider. (178 Nm @ 4000 RPM). This means 1973 Opel Admiral will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo Spider.
Compare all specifications:
| 1985 Alfa Romeo Spider | 1973 Opel Admiral | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Admiral |
| Year Released | 1985 | 1973 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1960 cc | 2784 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 126 HP | 142 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 178 Nm | 227 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 88.5 mm | 69.8 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1161 kg | 1475 kg |
| Vehicle Length | 4250 mm | 4910 mm |
| Vehicle Width | 1640 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1460 mm |
| Wheelbase Size | 2260 mm | 2850 mm |
| Fuel Tank Capacity | 50 L | 80 L |
