2003 AC Cobra vs. 1991 Opel Calibra
To start off, 2003 AC Cobra 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 3,506 cc (8 cylinders), 2003 AC Cobra is equipped with a bigger engine. In terms of performance, 2003 AC Cobra (350 HP @ 6500 RPM) has 235 more horse power than 1991 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 2003 AC Cobra should accelerate faster than 1991 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 128 kg more than 2003 AC Cobra.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 2003 AC Cobra. 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, 2003 AC Cobra (400 Nm @ 4000 RPM) has 226 more torque (in Nm) than 1991 Opel Calibra. (174 Nm @ 2600 RPM). This means 2003 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra.
Compare all specifications:
| 2003 AC Cobra | 1991 Opel Calibra | |
| Make | AC | Opel |
| Model | Cobra | Calibra |
| Year Released | 2003 | 1991 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 350 HP | 115 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 400 Nm | 174 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 81 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1062 kg | 1190 kg |
| Vehicle Length | 4210 mm | 4500 mm |
| Vehicle Width | 1750 mm | 1680 mm |
| Vehicle Height | 1210 mm | 1330 mm |
| Wheelbase Size | 2300 mm | 2610 mm |
