1985 Alfa Romeo 90 vs. 2005 Audi RS4
To start off, 2005 Audi RS4 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 90 would be higher. At 2,671 cc (6 cylinders), 2005 Audi RS4 is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 267 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 2005 Audi RS4 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS4 weights approximately 335 kg more than 1985 Alfa Romeo 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Alfa Romeo 90. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS4 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, 2005 Audi RS4 (449 Nm @ 2500 RPM) has 203 more torque (in Nm) than 1985 Alfa Romeo 90. (246 Nm @ 2300 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 90.
Compare all specifications:
| 1985 Alfa Romeo 90 | 2005 Audi RS4 | |
| Make | Alfa Romeo | Audi |
| Model | 90 | RS4 |
| Year Released | 1985 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 109 HP | 376 HP |
| Engine RPM | 4200 RPM | 6300 RPM |
| Torque | 246 Nm | 449 Nm |
| Torque RPM | 2300 RPM | 2500 RPM |
| Engine Compression Ratio | 22.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 178 km/hour | 245 km/hour |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1585 kg |
| Vehicle Length | 4400 mm | 4600 mm |
| Vehicle Width | 1650 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2460 mm | 2610 mm |
| Fuel Consumption Overall | 5.4 L/100km | 13.7 L/100km |
| Fuel Tank Capacity | 49 L | 55 L |
