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 2,387 cc (5 cylinders), 2001 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (161 HP @ 1950 RPM) has 25 more horse power than 2001 Alfa Romeo 166. (136 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2001 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo 166 weights approximately 60 kg more than 2005 Audi A4.
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, 2001 Alfa Romeo 166 (304 Nm @ 2000 RPM) has 79 more torque (in Nm) than 2005 Audi A4. (225 Nm @ 1950 RPM). This means 2001 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2005 Audi A4 has automatic transmission and 2001 Alfa Romeo 166 has manual transmission. 2001 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 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 | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2387 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 161 HP | 136 HP |
| Engine RPM | 1950 RPM | 4000 RPM |
| Torque | 225 Nm | 304 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 81.1 mm | 82.1 mm |
| Engine Stroke Size | 86.4 mm | 90.4 mm |
| Engine Compression Ratio | 9.3:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 8.8 seconds | 9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1490 kg |
| Vehicle Length | 4550 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2600 mm |
| Fuel Tank Capacity | 70 L | 72 L |
