1998 Alfa Romeo 156 vs. 1991 Opel Astra
To start off, 1998 Alfa Romeo 156 is newer by 7 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 1,998 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1991 Opel Astra (115 HP @ 5200 RPM) has 11 more horse power than 1998 Alfa Romeo 156. (104 HP @ 4000 RPM) In normal driving conditions, 1991 Opel Astra should accelerate faster than 1998 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1998 Alfa Romeo 156 weights approximately 220 kg more than 1991 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, 1998 Alfa Romeo 156 (255 Nm @ 2000 RPM) has 86 more torque (in Nm) than 1991 Opel Astra. (169 Nm @ 2600 RPM). This means 1998 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1998 Alfa Romeo 156 | 1991 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 115 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 255 Nm | 169 Nm |
| Torque RPM | 2000 RPM | 2600 RPM |
| Engine Bore Size | 82.6 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1270 kg | 1050 kg |
| Vehicle Length | 4440 mm | 4090 mm |
| Vehicle Width | 1750 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
| Fuel Tank Capacity | 63 L | 75 L |
