2003 Audi A6 vs. 1991 Audi 100
To start off, 2003 Audi A6 is newer by 12 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 2,976 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (217 HP @ 6300 RPM) has 46 more horse power than 1991 Audi 100. (171 HP @ 5500 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 195 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 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 100. In wet, icy, snow, or gravel driving conditions, 2003 Audi A6 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, 2003 Audi A6 (320 Nm @ 3200 RPM) has 70 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2003 Audi A6 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A6 | 100 |
| Year Released | 2003 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2771 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 217 HP | 171 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 320 Nm | 250 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Top Speed | 238 km/hour | 212 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 8.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1645 kg | 1450 kg |
| Vehicle Length | 4800 mm | 4800 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2430 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 80 L |
