2005 Alfa Romeo 166 vs. 2007 Chevrolet Optra
To start off, 2007 Chevrolet Optra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 166 would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 166 (237 HP) has 129 more horse power than 2007 Chevrolet Optra. (108 HP). In normal driving conditions, 2005 Alfa Romeo 166 should accelerate faster than 2007 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 440 kg more than 2007 Chevrolet Optra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 138 more torque (in Nm) than 2007 Chevrolet Optra. (151 Nm @ 4000 RPM). This means 2005 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet Optra.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2007 Chevrolet Optra | |
| Make | Alfa Romeo | Chevrolet |
| Model | 166 | Optra |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 108 HP |
| Torque | 289 Nm | 151 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 79 mm |
| Engine Stroke Size | 78 mm | 81.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 187 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 11.7 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1175 kg |
| Vehicle Length | 4730 mm | 4510 mm |
| Vehicle Width | 1810 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Consumption Overall | 12.5 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 72 L | 60 L |
