2005 Alfa Romeo 156 vs. 2003 Alfa Romeo Spider
To start off, 2005 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo Spider would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (238 HP @ 6200 RPM) has 90 more horse power than 2003 Alfa Romeo Spider. (148 HP @ 6300 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2003 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 58 kg more than 2003 Alfa Romeo Spider. 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, 2005 Alfa Romeo 156 (289 Nm @ 4800 RPM) has 108 more torque (in Nm) than 2003 Alfa Romeo Spider. (181 Nm @ 3800 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo Spider.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2003 Alfa Romeo Spider | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | Spider |
| Year Released | 2005 | 2003 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1908 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 148 HP |
| Engine RPM | 6200 RPM | 6300 RPM |
| Torque | 289 Nm | 181 Nm |
| Torque RPM | 4800 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 78 mm | 91 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 6.3 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1488 kg | 1430 kg |
| Vehicle Length | 4310 mm | 4180 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2600 mm | 2600 mm |
| Fuel Consumption Overall | 12.3 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 63 L | 69 L |
