2005 Audi A4 vs. 2001 Alfa Romeo 166
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 166 would be higher. At 2,496 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2001 Alfa Romeo 166 (190 HP @ 6300 RPM) has 29 more horse power than 2005 Audi A4. (161 HP @ 4000 RPM) In normal driving conditions, 2001 Alfa Romeo 166 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo 166 weights approximately 10 kg more than 2005 Audi A4. 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 Audi A4 (350 Nm @ 1500 RPM) has 124 more torque (in Nm) than 2001 Alfa Romeo 166. (226 Nm @ 5000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 166. 2001 Alfa Romeo 166 has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2001 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | A4 | 166 |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 190 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 350 Nm | 226 Nm |
| Torque RPM | 1500 RPM | 5000 RPM |
| Engine Bore Size | 78.4 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 68.3 mm |
| Engine Compression Ratio | 18.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8.8 seconds | 9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1520 kg |
| Vehicle Length | 4550 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 70 L | 72 L |
