2003 Alfa Romeo 166 vs. 2006 Alfa Romeo Brera
To start off, 2006 Alfa Romeo Brera is newer by 3 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 3,195 cc (6 cylinders), 2006 Alfa Romeo Brera is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo Brera (256 HP @ 6200 RPM) has 108 more horse power than 2003 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 2006 Alfa Romeo Brera should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo Brera weights approximately 163 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Alfa Romeo Brera is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo Brera 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, 2006 Alfa Romeo Brera (322 Nm @ 4500 RPM) has 22 more torque (in Nm) than 2003 Alfa Romeo 166. (300 Nm @ 1800 RPM). This means 2006 Alfa Romeo Brera will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2006 Alfa Romeo Brera | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 166 | Brera |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3195 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 256 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 300 Nm | 322 Nm |
| Torque RPM | 1800 RPM | 4500 RPM |
| Engine Compression Ratio | 18.5:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 235 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 6.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1542 kg | 1705 kg |
| Vehicle Length | 4730 mm | 4420 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1350 mm |
| Wheelbase Size | 2600 mm | 2530 mm |
| Fuel Consumption Overall | 7.5 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
