1975 Alfa Romeo Spider vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 251 more horse power than 1975 Alfa Romeo Spider. (89 HP @ 6000 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 860 kg more than 1975 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 289 more torque (in Nm) than 1975 Alfa Romeo Spider. (121 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider.
Compare all specifications:
| 1975 Alfa Romeo Spider | 2005 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | Spider | S4 |
| Year Released | 1975 | 2005 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 4161 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 89 HP | 340 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 121 Nm | 410 Nm |
| Engine Bore Size | 80 mm | 85 mm |
| Engine Stroke Size | 67.5 mm | 93 mm |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 980 kg | 1840 kg |
| Vehicle Length | 4130 mm | 4580 mm |
| Vehicle Width | 1640 mm | 1780 mm |
| Vehicle Height | 1300 mm | 1400 mm |
| Wheelbase Size | 2260 mm | 2660 mm |
