1970 Alfa Romeo Spider vs. 1991 Audi S2
To start off, 1991 Audi S2 is newer by 21 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Spider would be higher. At 2,226 cc (5 cylinders), 1991 Audi S2 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 113 more horse power than 1970 Alfa Romeo Spider. (103 HP @ 6000 RPM) In normal driving conditions, 1991 Audi S2 should accelerate faster than 1970 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 430 kg more than 1970 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1970 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 1991 Audi S2 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, 1991 Audi S2 (309 Nm @ 1950 RPM) has 171 more torque (in Nm) than 1970 Alfa Romeo Spider. (138 Nm @ 3200 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Spider.
Compare all specifications:
| 1970 Alfa Romeo Spider | 1991 Audi S2 | |
| Make | Alfa Romeo | Audi |
| Model | Spider | S2 |
| Year Released | 1970 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 2226 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 103 HP | 216 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 138 Nm | 309 Nm |
| Torque RPM | 3200 RPM | 1950 RPM |
| Engine Bore Size | 78 mm | 81.1 mm |
| Engine Stroke Size | 67.5 mm | 86.4 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 990 kg | 1420 kg |
| Vehicle Length | 4130 mm | 4410 mm |
| Vehicle Width | 1630 mm | 1720 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2260 mm | 2560 mm |
| Fuel Tank Capacity | 46 L | 70 L |
