2004 Opel Astra vs. 2004 Alfa Romeo 166
To start off, both 2004 Opel Astra and 2004 Alfa Romeo 166 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,387 cc (5 cylinders), 2004 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (197 HP @ 5400 RPM) has 24 more horse power than 2004 Alfa Romeo 166. (173 HP @ 4000 RPM). In normal driving conditions, 2004 Opel Astra should accelerate faster than 2004 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 166 weights approximately 155 kg more than 2004 Opel Astra.
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, 2004 Alfa Romeo 166 (330 Nm @ 1750 RPM) has 68 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2004 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2004 Alfa Romeo 166 has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Astra | 2004 Alfa Romeo 166 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 166 |
| Year Released | 2004 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2387 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 173 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 262 Nm | 330 Nm |
| Torque RPM | 4200 RPM | 1750 RPM |
| Engine Compression Ratio | 8.8:1 | 18.0:1 |
| Acceleration 0-100mph | 8.4 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1425 kg | 1580 kg |
| Vehicle Length | 4520 mm | 4730 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1510 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2710 mm |
| Fuel Consumption Highway | 7.2 L/100km | 6.9 L/100km |
| Fuel Consumption City | 13.2 L/100km | 12.1 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 52 L | 69 L |
