1986 Alfa Romeo 75 vs. 2008 Audi S4
To start off, 2008 Audi S4 is newer by 22 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), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 232 more horse power than 1986 Alfa Romeo 75. (108 HP @ 5800 RPM) In normal driving conditions, 2008 Audi S4 should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 68 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 2008 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, 2008 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 264 more torque (in Nm) than 1986 Alfa Romeo 75. (146 Nm @ 4000 RPM). This means 2008 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 | 2008 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 75 | S4 |
| Year Released | 1986 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 340 HP |
| Engine RPM | 5800 RPM | 7000 RPM |
| Torque | 146 Nm | 410 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 78 mm | 84.6 mm |
| Engine Stroke Size | 82 mm | 92.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Acceleration 0-100mph | 10.7 seconds | 5.6 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1092 kg | 1160 kg |
| Vehicle Length | 4340 mm | 4580 mm |
| Vehicle Width | 1640 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1400 mm |
| Wheelbase Size | 2520 mm | 2660 mm |
| Fuel Consumption Overall | 7.6 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 49 L | 63 L |
