1991 Audi 100 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 18 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 2,698 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP) has 54 more horse power than 1991 Audi 100. (133 HP) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 300 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, 2009 Audi A4 (400 Nm) has 214 more torque (in Nm) than 1991 Audi 100. (186 Nm). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 2698 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 133 HP | 187 HP |
| Torque | 186 Nm | 400 Nm |
| Engine Bore Size | 82.5 mm | 83.1 mm |
| Engine Stroke Size | 86.4 mm | 83.1 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1370 kg | 1670 kg |
| Vehicle Length | 4800 mm | 4710 mm |
| Vehicle Width | 1790 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2700 mm | 2810 mm |
| Fuel Tank Capacity | 80 L | 65 L |
