2003 Alfa Romeo 156 vs. 2009 Toyota Sienna
To start off, 2009 Toyota Sienna is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 3,456 cc (6 cylinders), 2009 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2009 Toyota Sienna (267 HP @ 6200 RPM) has 78 more horse power than 2003 Alfa Romeo 156. (189 HP @ 6200 RPM) In normal driving conditions, 2009 Toyota Sienna should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 128 kg more than 2009 Toyota Sienna.
Because 2009 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2009 Toyota Sienna 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 Toyota Sienna (332 Nm @ 4700 RPM) has 114 more torque (in Nm) than 2003 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2009 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2009 Toyota Sienna | |
| Make | Alfa Romeo | Toyota |
| Model | 156 | Sienna |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3456 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 267 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 218 Nm | 332 Nm |
| Torque RPM | 5000 RPM | 4700 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1352 kg |
| Vehicle Length | 4450 mm | 5110 mm |
| Vehicle Width | 1750 mm | 1970 mm |
| Vehicle Height | 1400 mm | 1760 mm |
| Wheelbase Size | 2710 mm | 3040 mm |
| Fuel Consumption Overall | 11.9 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
