2001 Opel Astra vs. 2001 Alfa Romeo 166
To start off, both 2001 Opel Astra and 2001 Alfa Romeo 166 were released in the same year (2001). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,959 cc (6 cylinders), 2001 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2001 Alfa Romeo 166 (226 HP @ 6200 RPM) has 74 more horse power than 2001 Opel Astra. (152 HP @ 5400 RPM) In normal driving conditions, 2001 Alfa Romeo 166 should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo 166 weights approximately 120 kg more than 2001 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, 2001 Alfa Romeo 166 (275 Nm @ 5000 RPM) has 72 more torque (in Nm) than 2001 Opel Astra. (203 Nm @ 4000 RPM). This means 2001 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra.
Compare all specifications:
| 2001 Opel Astra | 2001 Alfa Romeo 166 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 166 |
| Year Released | 2001 | 2001 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2959 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 152 HP | 226 HP |
| Engine RPM | 5400 RPM | 6200 RPM |
| Torque | 203 Nm | 275 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 86 mm | 93 mm |
| Engine Stroke Size | 94.6 mm | 72.6 mm |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1510 kg |
| Vehicle Length | 4280 mm | 4730 mm |
| Vehicle Width | 1720 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Tank Capacity | 53 L | 72 L |
