2004 Audi A6 vs. 1991 Audi 100
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 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (173 HP @ 5500 RPM) has 35 more horse power than 2004 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 1991 Audi 100 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 140 kg more than 1991 Audi 100.
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, 2004 Audi A6 (320 Nm @ 1750 RPM) has 71 more torque (in Nm) than 1991 Audi 100. (249 Nm @ 3000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100. 1991 Audi 100 has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi 100 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A6 | 100 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 173 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 320 Nm | 249 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Compression Ratio | 19.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 205 km/hour | 214 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1400 kg |
| Vehicle Length | 4920 mm | 4800 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2700 mm |
