1998 Alfa Romeo 166 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 166 would be higher. At 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (197 HP @ 5600 RPM) has 42 more horse power than 1998 Alfa Romeo 166. (155 HP @ 6400 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1998 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 1998 Alfa Romeo 166 weights approximately 110 kg more than 2007 Opel Astra.
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, 2007 Opel Astra (262 Nm @ 4200 RPM) has 75 more torque (in Nm) than 1998 Alfa Romeo 166. (187 Nm @ 2800 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 166.
Compare all specifications:
| 1998 Alfa Romeo 166 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 1998 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 197 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 187 Nm | 262 Nm |
| Torque RPM | 2800 RPM | 4200 RPM |
| Engine Bore Size | 83.1 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Acceleration 0-100mph | 9.6 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1385 kg |
| Vehicle Length | 4730 mm | 4260 mm |
| Vehicle Width | 1820 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 72 L | 52 L |
