1991 Alfa Romeo 33 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo 33 would be higher. At 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (197 HP @ 5600 RPM) has 110 more horse power than 1991 Alfa Romeo 33. (87 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1991 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 400 kg more than 1991 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 (262 Nm @ 4200 RPM) has 149 more torque (in Nm) than 1991 Alfa Romeo 33. (113 Nm @ 4500 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 33.
Compare all specifications:
| 1991 Alfa Romeo 33 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Astra |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 197 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 113 Nm | 262 Nm |
| Torque RPM | 4500 RPM | 4200 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 67.2 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 985 kg | 1385 kg |
| Vehicle Length | 4210 mm | 4260 mm |
| Vehicle Width | 1620 mm | 1760 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2480 mm | 2620 mm |
| Fuel Tank Capacity | 50 L | 52 L |
