1991 Alfa Romeo 75 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo 75 would be higher. At 1,998 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (197 HP @ 5600 RPM) has 88 more horse power than 1991 Alfa Romeo 75. (109 HP @ 6000 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 1991 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 325 kg more than 1991 Alfa Romeo 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Alfa Romeo 75 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 2011 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2011 Opel Astra (262 Nm @ 4200 RPM) has 113 more torque (in Nm) than 1991 Alfa Romeo 75. (149 Nm @ 4000 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 75.
Compare all specifications:
| 1991 Alfa Romeo 75 | 2011 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Astra |
| Year Released | 1991 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1567 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 197 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 149 Nm | 262 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 78 mm | 86.1 mm |
| Engine Stroke Size | 82 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1385 kg |
| Vehicle Length | 4340 mm | 4260 mm |
| Vehicle Width | 1670 mm | 1760 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2620 mm |
| Fuel Tank Capacity | 49 L | 52 L |
