2005 Alfa Romeo 156 vs. 2007 Lexus IS
To start off, 2007 Lexus IS 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 2,499 cc (6 cylinders), 2007 Lexus IS is equipped with a bigger engine. In terms of performance, 2007 Lexus IS (205 HP @ 6400 RPM) has 57 more horse power than 2005 Alfa Romeo 156. (148 HP @ 6300 RPM) In normal driving conditions, 2007 Lexus IS should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus IS weights approximately 445 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.
Because 2007 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2007 Lexus IS 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, 2007 Lexus IS (251 Nm @ 4800 RPM) has 70 more torque (in Nm) than 2005 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 2007 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2007 Lexus IS | |
| Make | Alfa Romeo | Lexus |
| Model | 156 | IS |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 205 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 181 Nm | 251 Nm |
| Torque RPM | 3800 RPM | 4800 RPM |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Top Speed | 214 km/hour | 225 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 8.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1765 kg |
| Vehicle Length | 4440 mm | 4580 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2740 mm |
| Fuel Consumption Overall | 8.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 63 L | 65 L |
