2003 Alfa Romeo 156 vs. 2005 Fiat Idea
To start off, 2005 Fiat Idea is newer by 2 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 1,970 cc (4 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (138 HP @ 4000 RPM) has 59 more horse power than 2005 Fiat Idea. (79 HP @ 5000 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2005 Fiat Idea. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 280 kg more than 2005 Fiat Idea. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Alfa Romeo 156 (306 Nm @ 2000 RPM) has 192 more torque (in Nm) than 2005 Fiat Idea. (114 Nm @ 4000 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Idea.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2005 Fiat Idea | |
| Make | Alfa Romeo | Fiat |
| Model | 156 | Idea |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 79 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 306 Nm | 114 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 70.9 mm |
| Engine Stroke Size | 90.4 mm | 78.9 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.7 seconds | 13.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1150 kg |
| Vehicle Length | 4450 mm | 3940 mm |
| Vehicle Width | 1750 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1670 mm |
| Wheelbase Size | 2550 mm | 2520 mm |
| Fuel Consumption Overall | 6.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 63 L | 47 L |
