2003 Alfa Romeo 166 vs. 1991 Opel Astra
To start off, 2003 Alfa Romeo 166 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 3,177 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (247 HP @ 6200 RPM) has 147 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 510 kg more than 1991 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, 2003 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 154 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1991 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2003 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 100 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 289 Nm | 135 Nm |
| Torque RPM | 4800 RPM | 3400 RPM |
| Engine Bore Size | 93 mm | 79 mm |
| Engine Stroke Size | 78 mm | 81.5 mm |
| Engine Compression Ratio | 10.5:1 | 9.8:1 |
| Top Speed | 245 km/hour | 190 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 10.4 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 | 1540 kg | 1030 kg |
| Vehicle Length | 4730 mm | 4250 mm |
| Vehicle Width | 1810 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2530 mm |
| Fuel Tank Capacity | 69 L | 52 L |
