1991 Audi 100 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 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 3,189 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (247 HP @ 6500 RPM) has 21 more horse power than 1991 Audi 100. (226 HP @ 5900 RPM) In normal driving conditions, 2004 Audi A6 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 66 kg more than 1991 Audi 100. 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 100 (350 Nm @ 1950 RPM) has 30 more torque (in Nm) than 2004 Audi A6. (320 Nm @ 3250 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 1991 Audi 100 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | 100 | A6 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 3189 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 226 HP | 247 HP |
| Engine RPM | 5900 RPM | 6500 RPM |
| Torque | 350 Nm | 320 Nm |
| Torque RPM | 1950 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.3:1 | 12.5:1 |
| Top Speed | 244 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 6.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1614 kg | 1680 kg |
| Vehicle Length | 4800 mm | 4920 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2700 mm | 2770 mm |
| Fuel Consumption Highway | 9.5 L/100km | 7.9 L/100km |
| Fuel Consumption City | 14.2 L/100km | 16.7 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
