1990 Alfa Romeo 33 vs. 1991 Opel Calibra
To start off, 1991 Opel Calibra is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1990 Alfa Romeo 33 would be higher. At 1,998 cc (4 cylinders), 1991 Opel Calibra is equipped with a bigger engine. In terms of performance, 1991 Opel Calibra (201 HP @ 5600 RPM) has 102 more horse power than 1990 Alfa Romeo 33. (99 HP @ 6000 RPM) In normal driving conditions, 1991 Opel Calibra should accelerate faster than 1990 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 483 kg more than 1990 Alfa Romeo 33. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1990 Alfa Romeo 33. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra will offer significantly more control. 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, 1991 Opel Calibra (280 Nm) has 151 more torque (in Nm) than 1990 Alfa Romeo 33. (129 Nm). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo 33.
Compare all specifications:
| 1990 Alfa Romeo 33 | 1991 Opel Calibra | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Calibra |
| Year Released | 1990 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 99 HP | 201 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 129 Nm | 280 Nm |
| Top Speed | 182 km/hour | 241 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 940 kg | 1423 kg |
| Vehicle Length | 4080 mm | 4500 mm |
| Vehicle Width | 1620 mm | 1700 mm |
| Vehicle Height | 1360 mm | 1610 mm |
| Wheelbase Size | 2480 mm | 2450 mm |
| Fuel Tank Capacity | 50 L | 40 L |
