2006 Alfa Romeo 156 vs. 1991 Audi 100
To start off, 2006 Alfa Romeo 156 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (189 HP @ 6300 RPM) has 18 more horse power than 1991 Audi 100. (171 HP @ 5500 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 85 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi 100 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 1991 Audi 100 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, 1991 Audi 100 (251 Nm @ 3000 RPM) has 33 more torque (in Nm) than 2006 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156.
Compare all specifications:
| 2006 Alfa Romeo 156 | 1991 Audi 100 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | 100 |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2771 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 171 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 218 Nm | 251 Nm |
| Torque RPM | 5000 RPM | 3000 RPM |
| Engine Bore Size | 88 mm | 82.5 mm |
| Engine Stroke Size | 68.3 mm | 86.4 mm |
| Top Speed | 230 km/hour | 218 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1500 kg |
| Vehicle Length | 4440 mm | 4800 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 2690 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
