2007 Alfa Romeo 156 vs. 2007 BMW Convertible
To start off, both 2007 Alfa Romeo 156 and 2007 BMW Convertible were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 188 more horse power than 2007 Alfa Romeo 156. (174 HP @ 4000 RPM) In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2007 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 465 kg more than 2007 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3600 RPM) has 105 more torque (in Nm) than 2007 Alfa Romeo 156. (385 Nm @ 2000 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 156. 2007 BMW Convertible has automatic transmission and 2007 Alfa Romeo 156 has manual transmission. 2007 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Convertible will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2007 BMW Convertible | |
| Make | Alfa Romeo | BMW |
| Model | 156 | Convertible |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4799 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 362 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 385 Nm | 490 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 225 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 5.7 seconds |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1850 kg |
| Vehicle Length | 4440 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1380 mm |
| Vehicle Height | 1440 mm | 1860 mm |
| Wheelbase Size | 2600 mm | 2790 mm |
| Fuel Tank Capacity | 63 L | 70 L |
