2007 Alfa Romeo 159 vs. 2004 Alfa Romeo 166
To start off, 2007 Alfa Romeo 159 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 166 would be higher. At 3,177 cc (6 cylinders), 2004 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 166 (247 HP @ 6200 RPM) has 99 more horse power than 2007 Alfa Romeo 159. (148 HP @ 4000 RPM) In normal driving conditions, 2004 Alfa Romeo 166 should accelerate faster than 2007 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 159 weights approximately 120 kg more than 2004 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, 2007 Alfa Romeo 159 (320 Nm @ 2000 RPM) has 31 more torque (in Nm) than 2004 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2007 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166.
Compare all specifications:
| 2007 Alfa Romeo 159 | 2004 Alfa Romeo 166 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 159 | 166 |
| Year Released | 2007 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3177 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 247 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 320 Nm | 289 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 82.1 mm | 93 mm |
| Engine Stroke Size | 90.4 mm | 78 mm |
| Engine Compression Ratio | 17.5:1 | 10.5:1 |
| Acceleration 0-100mph | 9.6 seconds | 7.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1540 kg |
| Vehicle Length | 4670 mm | 4730 mm |
| Vehicle Width | 1840 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Consumption Overall | 6.1 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 70 L | 69 L |
