2004 Alfa Romeo 156 vs. 2009 BMW 635
To start off, 2009 BMW 635 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 144 more horse power than 2004 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2009 BMW 635 should accelerate faster than 2004 Alfa Romeo 156.
Because 2009 BMW 635 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 635. However, in wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW 635 (580 Nm @ 1750 RPM) has 417 more torque (in Nm) than 2004 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2009 BMW 635 has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 635 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2009 BMW 635 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 635 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 282 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 163 Nm | 580 Nm |
| Torque RPM | 3900 RPM | 1750 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Engine Compression Ratio | 10.3:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 208 km/hour | 250 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4440 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2600 mm | 2790 mm |
| Fuel Consumption Overall | 8.5 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
