1998 Alfa Romeo 156 vs. 2004 Audi A6
To start off, 2004 Audi A6 is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 156 would be higher. At 2,671 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (247 HP @ 6300 RPM) has 143 more horse power than 1998 Alfa Romeo 156. (104 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A6 should accelerate faster than 1998 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 535 kg more than 1998 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2004 Audi A6 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, 2004 Audi A6 (340 Nm @ 1800 RPM) has 85 more torque (in Nm) than 1998 Alfa Romeo 156. (255 Nm @ 2000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 156.
Compare all specifications:
| 1998 Alfa Romeo 156 | 2004 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A6 |
| Year Released | 1998 | 2004 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 104 HP | 247 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 255 Nm | 340 Nm |
| Torque RPM | 2000 RPM | 1800 RPM |
| Engine Bore Size | 82.6 mm | 81 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1270 kg | 1805 kg |
| Vehicle Length | 4440 mm | 4800 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2600 mm | 2770 mm |
| Fuel Tank Capacity | 63 L | 70 L |
