2007 Alfa Romeo 147 vs. 2007 Opel Astra
To start off, both 2007 Alfa Romeo 147 and 2007 Opel Astra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,970 cc (4 cylinders), 2007 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 147 (148 HP @ 6300 RPM) has 59 more horse power than 2007 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2007 Alfa Romeo 147 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 147 weights approximately 46 kg more than 2007 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, 2007 Alfa Romeo 147 (181 Nm @ 3800 RPM) has 56 more torque (in Nm) than 2007 Opel Astra. (125 Nm @ 4000 RPM). This means 2007 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2007 Alfa Romeo 147 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Astra |
| Year Released | 2007 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1364 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 89 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 181 Nm | 125 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 73.5 mm |
| Engine Stroke Size | 91 mm | 80.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.3 seconds | 14.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1326 kg | 1280 kg |
| Vehicle Length | 4180 mm | 4520 mm |
| Vehicle Width | 1740 mm | 2000 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2550 mm | 2710 mm |
| Fuel Consumption Overall | 8.9 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
