1997 Alfa Romeo 155 vs. 2009 BMW 635
To start off, 2009 BMW 635 is newer by 12 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 211 more horse power than 2009 BMW 635. (282 HP @ 4400 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2009 BMW 635.
Let's talk about torque, 2009 BMW 635 (580 Nm @ 1750 RPM) has 280 more torque (in Nm) than 1997 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2009 BMW 635 | |
| Make | Alfa Romeo | BMW |
| Model | 155 | 635 |
| Year Released | 1997 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 282 HP |
| Engine RPM | 11700 RPM | 4400 RPM |
| Torque | 300 Nm | 580 Nm |
| Torque RPM | 9500 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Width | 1750 mm | 1860 mm |
