2009 Audi A4 vs. 1990 Audi 100
To start off, 2009 Audi A4 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Audi 100. In addition, the cost of maintenance, including insurance, on 1990 Audi 100 would be higher. At 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (211 HP @ 4300 RPM) has 121 more horse power than 1990 Audi 100. (90 HP @ 5200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1990 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1990 Audi 100 weights approximately 160 kg more than 2009 Audi A4.
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 (351 Nm @ 1500 RPM) has 206 more torque (in Nm) than 1990 Audi 100. (145 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Audi 100.
Compare all specifications:
| 2009 Audi A4 | 1990 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2009 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1779 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 211 HP | 90 HP |
| Engine RPM | 4300 RPM | 5200 RPM |
| Torque | 351 Nm | 145 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 1090 kg |
| Vehicle Length | 4710 mm | 4800 mm |
| Vehicle Width | 1840 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2820 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 60 L |
