2009 Audi A4 vs. 1991 Audi S2
To start off, 2009 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 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 16 more horse power than 2009 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 1991 Audi S2 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 490 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 1991 Audi S2 (309 Nm @ 1950 RPM) has 28 more torque (in Nm) than 2009 Audi A4. (281 Nm @ 1800 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi A4 has automatic transmission and 1991 Audi S2 has manual transmission. 1991 Audi S2 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 1991 Audi S2 | |
| Make | Audi | Audi |
| Model | A4 | S2 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 2226 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 200 HP | 216 HP |
| Engine RPM | 5100 RPM | 5900 RPM |
| Torque | 281 Nm | 309 Nm |
| Torque RPM | 1800 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 81.1 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 1420 kg |
| Vehicle Length | 4580 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2560 mm |
| Fuel Consumption | 8.7 L/100km | 9.3 L/100km |
| Fuel Consumption City | 11.2 L/100km | 14.3 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 34 L | 70 L |
