2009 BMW X6 vs. 1998 Alfa Romeo 155
To start off, 2009 BMW X6 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 155 would be higher. At 4,395 cc (8 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 283 more horse power than 1998 Alfa Romeo 155. (118 HP @ 6300 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 1998 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 995 kg more than 1998 Alfa Romeo 155. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Alfa Romeo 155. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 will offer significantly more control. 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 X6 (610 Nm @ 1750 RPM) has 466 more torque (in Nm) than 1998 Alfa Romeo 155. (144 Nm @ 4500 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 155. 2009 BMW X6 has automatic transmission and 1998 Alfa Romeo 155 has manual transmission. 1998 Alfa Romeo 155 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW X6 | 1998 Alfa Romeo 155 | |
| Make | BMW | Alfa Romeo |
| Model | X6 | 155 |
| Year Released | 2009 | 1998 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4395 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 401 HP | 118 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 610 Nm | 144 Nm |
| Torque RPM | 1750 RPM | 4500 RPM |
| Engine Bore Size | 89 mm | 82 mm |
| Engine Stroke Size | 88.3 mm | 75.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2265 kg | 1270 kg |
| Vehicle Length | 4880 mm | 4450 mm |
| Vehicle Width | 1990 mm | 1710 mm |
| Vehicle Height | 1700 mm | 1450 mm |
