1986 Alfa Romeo 75 vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 75 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 186 more horse power than 1986 Alfa Romeo 75. (153 HP @ 5800 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 589 kg more than 1986 Alfa Romeo 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Alfa Romeo 75. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 180 more torque (in Nm) than 1986 Alfa Romeo 75. (230 Nm @ 2600 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 75.
Compare all specifications:
| 1986 Alfa Romeo 75 | 2007 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 75 | S4 |
| Year Released | 1986 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 153 HP | 339 HP |
| Engine RPM | 5800 RPM | 7000 RPM |
| Torque | 230 Nm | 410 Nm |
| Torque RPM | 2600 RPM | 3500 RPM |
| Engine Compression Ratio | 7.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 193 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 5.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1206 kg | 1795 kg |
| Vehicle Length | 4340 mm | 4580 mm |
| Vehicle Width | 1640 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1450 mm |
| Wheelbase Size | 2460 mm | 2660 mm |
| Fuel Consumption Overall | 7.6 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 68 L | 66 L |
