1998 Alfa Romeo 166 vs. 2006 Audi A6
To start off, 2006 Audi A6 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 166 would be higher. At 3,130 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (255 HP @ 6500 RPM) has 100 more horse power than 1998 Alfa Romeo 166. (155 HP @ 6400 RPM) In normal driving conditions, 2006 Audi A6 should accelerate faster than 1998 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 15 kg more than 1998 Alfa Romeo 166. 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, 2006 Audi A6 (330 Nm @ 3250 RPM) has 143 more torque (in Nm) than 1998 Alfa Romeo 166. (187 Nm @ 2800 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 166.
Compare all specifications:
| 1998 Alfa Romeo 166 | 2006 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A6 |
| Year Released | 1998 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3130 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 155 HP | 255 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 187 Nm | 330 Nm |
| Torque RPM | 2800 RPM | 3250 RPM |
| Engine Bore Size | 83.1 mm | 84.5 mm |
| Engine Stroke Size | 91 mm | 92.8 mm |
| Engine Compression Ratio | 10.0:1 | 13.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1510 kg |
| Vehicle Length | 4730 mm | 4920 mm |
| Vehicle Width | 1820 mm | 2020 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2850 mm |
| Fuel Tank Capacity | 72 L | 80 L |
