2009 Audi A5 vs. 1991 Audi 100
To start off, 2009 Audi A5 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 3,197 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (265 HP @ 6500 RPM) has 152 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 543 kg more than 2009 Audi A5.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 100. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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, 2009 Audi A5 (331 Nm @ 3250 RPM) has 66 more torque (in Nm) than 1991 Audi 100. (265 Nm @ 2250 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2009 Audi A5 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A5 | 100 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 2461 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 265 HP | 113 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 331 Nm | 265 Nm |
| Torque RPM | 3250 RPM | 2250 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1473 kg |
| Vehicle Length | 4630 mm | 4810 mm |
| Vehicle Width | 1990 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2760 mm | 2700 mm |
| Fuel Tank Capacity | 64 L | 80 L |
