2005 Alfa Romeo 166 vs. 2004 Holden Astra
To start off, 2005 Alfa Romeo 166 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Holden Astra. In addition, the cost of maintenance, including insurance, on 2004 Holden Astra would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 166 (237 HP @ 6200 RPM) has 92 more horse power than 2004 Holden Astra. (145 HP @ 5800 RPM). In normal driving conditions, 2005 Alfa Romeo 166 should accelerate faster than 2004 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 225 kg more than 2004 Holden Astra. 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 166 (289 Nm @ 4800 RPM) has 86 more torque (in Nm) than 2004 Holden Astra. (203 Nm @ 4000 RPM). This means 2005 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2004 Holden Astra.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2004 Holden Astra | |
| Make | Alfa Romeo | Holden |
| Model | 166 | Astra |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 145 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 289 Nm | 203 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1390 kg |
| Vehicle Length | 4730 mm | 4280 mm |
| Vehicle Width | 1810 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
