2007 Audi A4 vs. 1991 Audi 100
To start off, 2007 Audi A4 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 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 26 more horse power than 1991 Audi 100. (226 HP @ 5900 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 72 kg more than 2007 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 1991 Audi 100 (350 Nm @ 1950 RPM) has 20 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2226 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 252 HP | 226 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 330 Nm | 350 Nm |
| Torque RPM | 3250 RPM | 1950 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 12.5:1 | 9.3:1 |
| Top Speed | 250 km/hour | 244 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 6.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1614 kg |
| Vehicle Length | 4590 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2700 mm |
| Fuel Consumption Overall | 10.6 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
