1985 Audi 100 vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 20 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 1,894 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (100 HP @ 1900 RPM) has 11 more horse power than 1985 Audi 100. (89 HP @ 5200 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 1985 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 305 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.
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, 2005 Audi A4 (250 Nm @ 1900 RPM) has 105 more torque (in Nm) than 1985 Audi 100. (145 Nm @ 3000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Audi 100.
Compare all specifications:
| 1985 Audi 100 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | 100 | A4 |
| Year Released | 1985 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1894 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 89 HP | 100 HP |
| Engine RPM | 5200 RPM | 1900 RPM |
| Torque | 145 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 95.5 mm |
| Engine Compression Ratio | 10.0:1 | 19.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 176 km/hour | 191 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1145 kg | 1450 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2700 mm | 2660 mm |
| Fuel Consumption Overall | 8.3 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
