2006 Alfa Romeo 166 vs. 1998 Opel Astra
To start off, 2006 Alfa Romeo 166 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 2,386 cc (5 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 166 (148 HP @ 4000 RPM) has 63 more horse power than 1998 Opel Astra. (85 HP @ 4400 RPM). In normal driving conditions, 2006 Alfa Romeo 166 should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 295 kg more than 1998 Opel 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, 2006 Alfa Romeo 166 (305 Nm @ 1800 RPM) has 117 more torque (in Nm) than 1998 Opel Astra. (188 Nm @ 1800 RPM). This means 2006 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra.
Compare all specifications:
| 2006 Alfa Romeo 166 | 1998 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2006 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2386 cc | 1995 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 85 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 305 Nm | 188 Nm |
| Torque RPM | 1800 RPM | 1800 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 90.4 mm | 90 mm |
| Engine Compression Ratio | 18.4:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1585 kg | 1290 kg |
| Vehicle Length | 4730 mm | 4060 mm |
| Vehicle Width | 1810 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 69 L | 44 L |
