2003 Alfa Romeo 166 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,387 cc (5 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (173 HP @ 4000 RPM) has 59 more horse power than 2007 Audi A4. (114 HP @ 4000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 30 kg more than 2003 Alfa Romeo 166.
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, 2003 Alfa Romeo 166 (330 Nm @ 1750 RPM) has 45 more torque (in Nm) than 2007 Audi A4. (285 Nm @ 1900 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2003 Alfa Romeo 166 has automatic transmission and 2007 Audi A4 has manual transmission. 2007 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A4 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1895 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 114 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 330 Nm | 285 Nm |
| Torque RPM | 1750 RPM | 1900 RPM |
| Engine Compression Ratio | 18.0:1 | 19.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 213 km/hour | 197 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1610 kg |
| Vehicle Length | 4730 mm | 4590 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2660 mm |
| Fuel Consumption Overall | 8.9 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
