2005 Opel Astra vs. 2005 Alfa Romeo 147
To start off, both 2005 Opel Astra and 2005 Alfa Romeo 147 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,968 cc (4 cylinders), 2005 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 147 (148 HP @ 4000 RPM) has 63 more horse power than 2005 Opel Astra. (85 HP @ 5800 RPM) In normal driving conditions, 2005 Alfa Romeo 147 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 147 weights approximately 115 kg more than 2005 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, 2005 Alfa Romeo 147 (300 Nm @ 2000 RPM) has 173 more torque (in Nm) than 2005 Opel Astra. (127 Nm @ 4000 RPM). This means 2005 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2005 Alfa Romeo 147 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Alfa Romeo 147 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2005 Alfa Romeo 147 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 147 |
| Year Released | 2005 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1388 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 85 HP | 148 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 127 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 73.4 mm | 82 mm |
| Engine Stroke Size | 80.6 mm | 90.4 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1365 kg |
| Vehicle Length | 4520 mm | 4180 mm |
| Vehicle Width | 1800 mm | 1740 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2550 mm |
