1975 Alfa Romeo Spider vs. 1999 Audi S3
To start off, 1999 Audi S3 is newer by 24 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 1,995 cc (4 cylinders), 1975 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1999 Audi S3 (210 HP @ 5800 RPM) has 78 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM) In normal driving conditions, 1999 Audi S3 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S3 weights approximately 490 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.
Because 1999 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 1999 Audi S3 will offer significantly more control. 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, 1999 Audi S3 (270 Nm @ 2100 RPM) has 89 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 1999 Audi S3 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 | 1999 Audi S3 | |
| Make | Alfa Romeo | Audi |
| Model | Spider | S3 |
| Year Released | 1975 | 1999 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 132 HP | 210 HP |
| Engine RPM | 5400 RPM | 5800 RPM |
| Torque | 181 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 2100 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 88.5 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1040 kg | 1530 kg |
| Vehicle Length | 4130 mm | 4160 mm |
| Vehicle Width | 1640 mm | 1760 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2260 mm | 2520 mm |
