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 2,671 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (265 HP @ 4000 RPM) has 39 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 181 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.
Because 1991 Audi 100 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 100 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, both vehicles can yield 350 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
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 | 2671 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 226 HP | 265 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 350 Nm | 350 Nm |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 9.3:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1614 kg | 1795 kg |
| Vehicle Length | 4800 mm | 4880 mm |
| Vehicle Width | 1810 mm | 1940 mm |
| Vehicle Height | 1450 mm | 1460 mm |
| Wheelbase Size | 2700 mm | 2770 mm |
| Fuel Consumption | 9.5 L/100km | 9.6 L/100km |
| Fuel Consumption City | 14.2 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
