1985 Alfa Romeo 90 vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 19 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 4,172 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 186 more horse power than 1985 Alfa Romeo 90. (153 HP @ 5600 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 550 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 2004 Audi S4 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, 2004 Audi S4 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 199 more torque (in Nm) than 1985 Alfa Romeo 90. (211 Nm @ 4000 RPM). This means 2004 Audi S4 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 | 2004 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 90 | S4 |
| Year Released | 1985 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 153 HP | 339 HP |
| Engine RPM | 5600 RPM | 7000 RPM |
| Torque | 211 Nm | 410 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 84.5 mm |
| Engine Stroke Size | 68.3 mm | 92.8 mm |
| Top Speed | 203 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1170 kg | 1720 kg |
| Vehicle Length | 4400 mm | 4590 mm |
| Vehicle Width | 1650 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2460 mm | 2470 mm |
| Fuel Tank Capacity | 49 L | 63 L |
