1991 Audi S2 vs. 1971 Opel GT
To start off, 1991 Audi S2 is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Opel GT. In addition, the cost of maintenance, including insurance, on 1971 Opel GT 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 127 more horse power than 1971 Opel GT. (89 HP @ 5200 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1971 Opel GT.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Opel GT. 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 157 more torque (in Nm) than 1971 Opel GT. (152 Nm @ 3400 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel GT.
Compare all specifications:
| 1991 Audi S2 | 1971 Opel GT | |
| Make | Audi | Opel |
| Model | S2 | GT |
| Year Released | 1991 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1900 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 89 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 309 Nm | 152 Nm |
| Torque RPM | 1950 RPM | 3400 RPM |
| Engine Bore Size | 81.1 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 69.8 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4410 mm | 4120 mm |
| Vehicle Width | 1720 mm | 1590 mm |
| Vehicle Height | 1380 mm | 1230 mm |
| Wheelbase Size | 2560 mm | 2440 mm |
| Fuel Consumption Highway | 9.3 L/100km | 7.8 L/100km |
| Fuel Consumption City | 14.3 L/100km | 8.7 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
