2006 Alfa Romeo 166 vs. 2011 Seat Leon
To start off, 2011 Seat Leon is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 166 would be higher. At 2,386 cc (5 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2011 Seat Leon (238 HP @ 5700 RPM) has 90 more horse power than 2006 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 2011 Seat Leon should accelerate faster than 2006 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 251 kg more than 2011 Seat Leon.
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, 2006 Alfa Romeo 166 (305 Nm @ 1800 RPM) has 5 more torque (in Nm) than 2011 Seat Leon. (300 Nm @ 2200 RPM). This means 2006 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2011 Seat Leon.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2011 Seat Leon | |
| Make | Alfa Romeo | Seat |
| Model | 166 | Leon |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2386 cc | 1982 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 238 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 305 Nm | 300 Nm |
| Torque RPM | 1800 RPM | 2200 RPM |
| Engine Compression Ratio | 18.4:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 210 km/hour | 247 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 6.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1334 kg |
| Vehicle Length | 4730 mm | 4330 mm |
| Vehicle Width | 1810 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2580 mm |
| Fuel Consumption Overall | 7.2 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 69 L | 55 L |
