2009 Audi A4 vs. 1985 Audi 100
To start off, 2009 Audi A4 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Audi 100. In addition, the cost of maintenance, including insurance, on 1985 Audi 100 would be higher. At 2,995 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (328 HP @ 5500 RPM) has 239 more horse power than 1985 Audi 100. (89 HP @ 5200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1985 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 505 kg more than 1985 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Audi 100. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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 A4 (440 Nm @ 2900 RPM) has 295 more torque (in Nm) than 1985 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 1985 Audi 100.
Compare all specifications:
| 2009 Audi A4 | 1985 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 HP | 89 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 440 Nm | 145 Nm |
| Torque RPM | 2900 RPM | 3000 RPM |
| Engine Bore Size | 84.6 mm | 81 mm |
| Engine Stroke Size | 89 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1145 kg |
| Vehicle Length | 4720 mm | 4800 mm |
| Vehicle Width | 1830 mm | 1820 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2820 mm | 2700 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.3 L/100km |
