2007 Audi A4 vs. 1986 Alfa Romeo 90
To start off, 2007 Audi A4 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 90 would be higher. At 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 122 more horse power than 1986 Alfa Romeo 90. (130 HP @ 4200 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1986 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 618 kg more than 1986 Alfa Romeo 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (330 Nm) has 154 more torque (in Nm) than 1986 Alfa Romeo 90. (176 Nm). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 90.
Compare all specifications:
| 2007 Audi A4 | 1986 Alfa Romeo 90 | |
| Make | Audi | Alfa Romeo |
| Model | A4 | 90 |
| Year Released | 2007 | 1986 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1997 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 130 HP |
| Engine RPM | 5100 RPM | 4200 RPM |
| Torque | 330 Nm | 176 Nm |
| Engine Bore Size | 84.5 mm | 80.1 mm |
| Engine Stroke Size | 92.8 mm | 66.2 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1080 kg |
| Vehicle Length | 4580 mm | 4400 mm |
| Vehicle Width | 1400 mm | 1650 mm |
| Vehicle Height | 1780 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2520 mm |
