2004 Alfa Romeo 156 vs. 2001 Toyota Sienna
To start off, 2004 Alfa Romeo 156 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 2001 Toyota Sienna would be higher. At 2,982 cc (6 cylinders), 2001 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2001 Toyota Sienna (202 HP @ 5200 RPM) has 54 more horse power than 2004 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2001 Toyota Sienna should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2001 Toyota Sienna weights approximately 180 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Toyota Sienna. In wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156 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, 2004 Alfa Romeo 156 (300 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2001 Toyota Sienna. (280 Nm @ 4300 RPM). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2001 Toyota Sienna. 2001 Toyota Sienna has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2001 Toyota Sienna | |
| Make | Alfa Romeo | Toyota |
| Model | 156 | Sienna |
| Year Released | 2004 | 2001 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2982 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 202 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 300 Nm | 280 Nm |
| Torque RPM | 2000 RPM | 4300 RPM |
| Engine Bore Size | 82 mm | 87.5 mm |
| Engine Stroke Size | 90.4 mm | 83 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1525 kg | 1705 kg |
| Vehicle Width | 1750 mm | 1870 mm |
| Vehicle Height | 1460 mm | 1720 mm |
| Wheelbase Size | 2600 mm | 2910 mm |
