1991 Alfa Romeo 164 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo 164. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo 164 would be higher. At 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (230 HP @ 4000 RPM) has 23 more horse power than 1991 Alfa Romeo 164. (207 HP @ 6000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 1991 Alfa Romeo 164. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 350 kg more than 1991 Alfa Romeo 164. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alfa Romeo 164. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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, 2006 Audi A4 (451 Nm @ 1400 RPM) has 162 more torque (in Nm) than 1991 Alfa Romeo 164. (289 Nm @ 2750 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 164.
Compare all specifications:
| 1991 Alfa Romeo 164 | 2006 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 164 | A4 |
| Year Released | 1991 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 207 HP | 230 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 289 Nm | 451 Nm |
| Torque RPM | 2750 RPM | 1400 RPM |
| Engine Bore Size | 80 mm | 83 mm |
| Engine Stroke Size | 66.2 mm | 91.4 mm |
| Top Speed | 243 km/hour | 242 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 7.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1440 kg | 1790 kg |
| Vehicle Length | 4560 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2670 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 63 L |
