1974 Chevrolet Vega vs. 1991 Opel Calibra
To start off, 1991 Opel Calibra is newer by 17 year(s). Which means there will be less support and parts availability for 1974 Chevrolet Vega. In addition, the cost of maintenance, including insurance, on 1974 Chevrolet Vega would be higher. At 2,285 cc (4 cylinders), 1974 Chevrolet Vega is equipped with a bigger engine. In terms of performance, 1991 Opel Calibra (115 HP @ 5200 RPM) has 34 more horse power than 1974 Chevrolet Vega. (81 HP @ 4800 RPM) In normal driving conditions, 1991 Opel Calibra should accelerate faster than 1974 Chevrolet Vega. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 185 kg more than 1974 Chevrolet Vega. 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 1974 Chevrolet Vega. 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 (174 Nm @ 2600 RPM) has 7 more torque (in Nm) than 1974 Chevrolet Vega. (167 Nm @ 2800 RPM). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1974 Chevrolet Vega. 1974 Chevrolet Vega has automatic transmission and 1991 Opel Calibra has manual transmission. 1991 Opel Calibra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1974 Chevrolet Vega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1974 Chevrolet Vega | 1991 Opel Calibra | |
| Make | Chevrolet | Opel |
| Model | Vega | Calibra |
| Year Released | 1974 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2285 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 115 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 167 Nm | 174 Nm |
| Torque RPM | 2800 RPM | 2600 RPM |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 91.9 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1005 kg | 1190 kg |
| Vehicle Length | 4320 mm | 4500 mm |
| Vehicle Width | 1670 mm | 1680 mm |
| Vehicle Height | 1280 mm | 1330 mm |
| Wheelbase Size | 2480 mm | 2610 mm |
| Fuel Tank Capacity | 42 L | 75 L |
