2005 Alfa Romeo 166 vs. 1991 Opel Astra
To start off, 2005 Alfa Romeo 166 is newer by 14 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 3,179 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 181 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 Alfa Romeo 166 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 580 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, 2005 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 184 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2005 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2005 Alfa Romeo 166 | 1991 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2005 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1698 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 237 HP | 56 HP |
| Engine RPM | 6200 RPM | 4600 RPM |
| Torque | 289 Nm | 105 Nm |
| Torque RPM | 4800 RPM | 2400 RPM |
| Engine Bore Size | 93 mm | 82.5 mm |
| Engine Stroke Size | 78 mm | 79.5 mm |
| Engine Compression Ratio | 10.0:1 | 23.0:1 |
| Top Speed | 245 km/hour | 150 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1035 kg |
| Vehicle Length | 4730 mm | 4250 mm |
| Vehicle Width | 1810 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2530 mm |
| Fuel Tank Capacity | 72 L | 52 L |
