2003 Alfa Romeo 166 vs. 2002 Opel Astra
To start off, 2003 Alfa Romeo 166 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Opel Astra. In addition, the cost of maintenance, including insurance, on 2002 Opel Astra would be higher. At 1,970 cc (4 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (148 HP @ 6500 RPM) has 47 more horse power than 2002 Opel Astra. (101 HP @ 5800 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2002 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 160 kg more than 2002 Opel Astra. 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, 2003 Alfa Romeo 166 (181 Nm @ 3800 RPM) has 32 more torque (in Nm) than 2002 Opel Astra. (149 Nm @ 3600 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Astra.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2002 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2003 | 2002 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1584 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 101 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 181 Nm | 149 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1350 kg |
| Vehicle Length | 4730 mm | 4280 mm |
| Vehicle Width | 1810 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
