2003 Alfa Romeo 166 vs. 2007 Toyota Sienna
To start off, 2007 Toyota Sienna is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 3,454 cc (6 cylinders), 2007 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2007 Toyota Sienna (266 HP @ 6200 RPM) has 118 more horse power than 2003 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 2007 Toyota Sienna should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Toyota Sienna weights approximately 438 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Toyota Sienna (332 Nm @ 4700 RPM) has 32 more torque (in Nm) than 2003 Alfa Romeo 166. (300 Nm @ 1800 RPM). This means 2007 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2007 Toyota Sienna has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Toyota Sienna | |
| Make | Alfa Romeo | Toyota |
| Model | 166 | Sienna |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3454 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 266 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 300 Nm | 332 Nm |
| Torque RPM | 1800 RPM | 4700 RPM |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1980 kg |
| Vehicle Length | 4730 mm | 5110 mm |
| Vehicle Width | 1810 mm | 1970 mm |
| Vehicle Height | 1420 mm | 1760 mm |
| Wheelbase Size | 2600 mm | 3040 mm |
| Fuel Consumption | 6.1 L/100km | 10.2 L/100km |
| Fuel Consumption City | 9.9 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 7.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 69 L | 76 L |
