1985 Alfa Romeo 90 vs. 2009 Audi RS6
To start off, 2009 Audi RS6 is newer by 24 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 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 463 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 2009 Audi RS6 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 778 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 2009 Audi RS6 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, 2009 Audi RS6 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 RS6 (650 Nm @ 1500 RPM) has 404 more torque (in Nm) than 1985 Alfa Romeo 90. (246 Nm @ 2300 RPM). This means 2009 Audi RS6 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 | 2009 Audi RS6 | |
| Make | Alfa Romeo | Audi |
| Model | 90 | RS6 |
| Year Released | 1985 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4991 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 572 HP |
| Engine RPM | 4200 RPM | 6250 RPM |
| Torque | 246 Nm | 650 Nm |
| Torque RPM | 2300 RPM | 1500 RPM |
| Engine Bore Size | 92 mm | 84.5 mm |
| Engine Stroke Size | 90 mm | 89 mm |
| Engine Compression Ratio | 22.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 178 km/hour | 280 km/hour |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 2028 kg |
| Vehicle Length | 4400 mm | 4930 mm |
| Vehicle Width | 1650 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2850 mm |
| Fuel Consumption Overall | 5.4 L/100km | 14 L/100km |
| Fuel Tank Capacity | 49 L | 80 L |
