1991 Audi S2 vs. 2004 Audi A6
To start off, 2004 Audi A6 is newer by 13 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 2,496 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 36 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 242 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. 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 74 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 1991 Audi S2 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | S2 | A6 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2496 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 180 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 309 Nm | 235 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Bore Size | 81.1 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 77.4 mm |
| Engine Compression Ratio | 9.3:1 | 10.3:1 |
| Acceleration 0-100mph | 6.1 seconds | 9.5 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1420 kg | 1662 kg |
| Vehicle Length | 4410 mm | 4940 mm |
| Vehicle Width | 1720 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2560 mm | 2660 mm |
| Fuel Consumption Highway | 9.3 L/100km | 7.2 L/100km |
| Fuel Consumption City | 14.3 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
