2005 Alfa Romeo 156 vs. 2007 BMW Convertible
To start off, 2007 BMW Convertible is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. 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 115 more horse power than 2005 Alfa Romeo 156. (247 HP @ 6200 RPM) In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 310 kg more than 2005 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 185 more torque (in Nm) than 2005 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2007 BMW Convertible has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 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:
| 2005 Alfa Romeo 156 | 2007 BMW Convertible | |
| Make | Alfa Romeo | BMW |
| Model | 156 | Convertible |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 362 HP |
| Engine RPM | 6200 RPM | 6300 RPM |
| Torque | 305 Nm | 490 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 5.7 seconds |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1850 kg |
| Wheelbase Size | 2550 mm | 2790 mm |
| Fuel Tank Capacity | 60 L | 70 L |
