2005 Alfa Romeo 159 vs. 1991 Audi 100
To start off, 2005 Alfa Romeo 159 is newer by 14 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 2,461 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 159 (118 HP @ 4000 RPM) has 5 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM). In normal driving conditions, 2005 Alfa Romeo 159 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 159 weights approximately 175 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Alfa Romeo 159 (289 Nm @ 2000 RPM) has 25 more torque (in Nm) than 1991 Audi 100. (264 Nm @ 2250 RPM). This means 2005 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2005 Alfa Romeo 159 | 1991 Audi 100 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | 100 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2461 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 113 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 289 Nm | 264 Nm |
| Torque RPM | 2000 RPM | 2250 RPM |
| Engine Bore Size | 82 mm | 81 mm |
| Engine Stroke Size | 90.4 mm | 95.5 mm |
| Engine Compression Ratio | 18.0:1 | 21.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 191 km/hour | 193 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1320 kg |
| Vehicle Length | 4670 mm | 4800 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 2700 mm |
| Fuel Consumption | 4.8 L/100km | 6.2 L/100km |
| Fuel Consumption City | 8.1 L/100km | 7.6 L/100km |
| Fuel Consumption Overall | 6 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
