1991 Audi 100 vs. 2009 Audi A5
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 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (171 HP @ 5500 RPM) has 3 more horse power than 2009 Audi A5. (168 HP @ 4800 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 55 kg more than 2009 Audi A5. 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, both vehicles can yield 250 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1991 Audi 100 | 2009 Audi A5 | |
| Make | Audi | Audi |
| Model | 100 | A5 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 1798 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 168 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 250 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Engine Bore Size | 82.5 mm | 82.6 mm |
| Engine Stroke Size | 86.4 mm | 84.1 mm |
| Engine Compression Ratio | 10.3:1 | 9.6:1 |
| Acceleration 0-100mph | 8.3 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1395 kg |
| Vehicle Length | 4800 mm | 4630 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 2760 mm |
| Fuel Tank Capacity | 80 L | 65 L |
