2007 Audi A6 vs. 1991 Audi 100
To start off, 2007 Audi A6 is newer by 16 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 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (171 HP @ 5500 RPM) has 33 more horse power than 2007 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 1991 Audi 100 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 175 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2007 Audi A6 (321 Nm @ 1750 RPM) has 71 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2007 Audi A6 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A6 | 100 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 171 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 321 Nm | 250 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Top Speed | 227 km/hour | 212 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 8.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1450 kg |
| Vehicle Length | 4800 mm | 4800 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 80 L |
