2003 Alfa Romeo 166 vs. 1991 Opel Calibra
To start off, 2003 Alfa Romeo 166 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Opel Calibra. In addition, the cost of maintenance, including insurance, on 1991 Opel Calibra 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 53 more horse power than 2003 Alfa Romeo 166. (148 HP @ 6300 RPM) In normal driving conditions, 1991 Opel Calibra should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 3 kg more than 2003 Alfa Romeo 166. 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 2003 Alfa Romeo 166. 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 @ 2400 RPM) has 98 more torque (in Nm) than 2003 Alfa Romeo 166. (182 Nm @ 3800 RPM). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1991 Opel Calibra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Calibra |
| Year Released | 2003 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 201 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 182 Nm | 280 Nm |
| Torque RPM | 3800 RPM | 2400 RPM |
| Top Speed | 211 km/hour | 241 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1420 kg | 1423 kg |
| Vehicle Length | 4730 mm | 4500 mm |
| Vehicle Width | 1810 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1610 mm |
| Wheelbase Size | 2600 mm | 2450 mm |
| Fuel Consumption Overall | 9.7 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 69 L | 40 L |
