1991 Audi S2 vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 14 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 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (220 HP @ 6300 RPM) has 4 more horse power than 1991 Audi S2. (216 HP @ 5900 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 1991 Audi S2. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 225 kg more than 1991 Audi S2. 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 9 more torque (in Nm) than 2005 Audi A4. (300 Nm @ 3200 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2005 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. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi S2 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | S2 | A4 |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2983 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 220 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 309 Nm | 300 Nm |
| Torque RPM | 1950 RPM | 3200 RPM |
| Engine Bore Size | 81.1 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Engine Compression Ratio | 9.3:1 | 10.1:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1645 kg |
| Vehicle Length | 4410 mm | 4550 mm |
| Vehicle Width | 1720 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2560 mm | 2660 mm |
| Fuel Consumption | 9.3 L/100km | 9.6 L/100km |
| Fuel Consumption City | 14.3 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 11 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
