1991 Audi 100 vs. 2004 Audi A4
To start off, 2004 Audi A4 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 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (226 HP @ 5900 RPM) has 8 more horse power than 2004 Audi A4. (218 HP @ 6300 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 129 kg more than 2004 Audi A4. 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 A4. 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, 1991 Audi 100 (350 Nm @ 1950 RPM) has 50 more torque (in Nm) than 2004 Audi A4. (300 Nm @ 3200 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 1991 Audi 100 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2967 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 226 HP | 218 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 350 Nm | 300 Nm |
| Torque RPM | 1950 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Top Speed | 244 km/hour | 243 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1614 kg | 1485 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2700 mm | 2430 mm |
| Fuel Consumption Overall | 8.7 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
