1985 Alfa Romeo 33 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 22 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 33 would be higher. At 1,796 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (139 HP @ 5600 RPM) has 33 more horse power than 1985 Alfa Romeo 33. (106 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1985 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 378 kg more than 1985 Alfa Romeo 33. 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, 2007 Opel Astra (175 Nm @ 3800 RPM) has 40 more torque (in Nm) than 1985 Alfa Romeo 33. (135 Nm @ 4000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 33.
Compare all specifications:
| 1985 Alfa Romeo 33 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Astra |
| Year Released | 1985 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1489 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 106 HP | 139 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 135 Nm | 175 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 80.5 mm |
| Engine Stroke Size | 67.2 mm | 88.2 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Top Speed | 180 km/hour | 208 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 900 kg | 1278 kg |
| Vehicle Length | 4020 mm | 4260 mm |
| Vehicle Width | 1620 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2620 mm |
