2006 Alfa Romeo 156 vs. 2007 BMW 335
To start off, 2007 BMW 335 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 2,979 cc (6 cylinders), 2007 BMW 335 is equipped with a bigger engine. In terms of performance, 2007 BMW 335 (300 HP @ 5800 RPM) has 151 more horse power than 2006 Alfa Romeo 156. (149 HP @ 6300 RPM) In normal driving conditions, 2007 BMW 335 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 130 kg more than 2007 BMW 335.
Let's talk about torque, 2007 BMW 335 (407 Nm @ 1400 RPM) has 226 more torque (in Nm) than 2006 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 2007 BMW 335 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2007 BMW 335 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 335 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 300 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 181 Nm | 407 Nm |
| Torque RPM | 3800 RPM | 1400 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91 mm | 89.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1615 kg | 1485 kg |
| Vehicle Length | 4440 mm | 4590 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1390 mm |
| Wheelbase Size | 2600 mm | 2770 mm |
| Fuel Tank Capacity | 63 L | 61 L |
