1991 Audi 100 vs. 2004 Audi A8
To start off, 2004 Audi A8 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 2,975 cc (6 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (217 HP @ 6300 RPM) has 104 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A8 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 350 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 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 A8 (300 Nm @ 8200 RPM) has 36 more torque (in Nm) than 1991 Audi 100. (264 Nm @ 2250 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2004 Audi A8 | |
| Make | Audi | Audi |
| Model | 100 | A8 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2461 cc | 2975 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 217 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 264 Nm | 300 Nm |
| Torque RPM | 2250 RPM | 8200 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 21.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 193 km/hour | 245 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1670 kg |
| Vehicle Length | 4800 mm | 5060 mm |
| Vehicle Width | 1790 mm | 1900 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2700 mm | 2950 mm |
| Fuel Consumption Overall | 4.8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 80 L | 42 L |
