1991 Opel Astra vs. 2011 Mazda BT-50
To start off, 2011 Mazda BT-50 is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 2,500 cc (4 cylinders), 2011 Mazda BT-50 is equipped with a bigger engine. In terms of performance, 2011 Mazda BT-50 (141 HP @ 3500 RPM) has 85 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM) In normal driving conditions, 2011 Mazda BT-50 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mazda BT-50 weights approximately 841 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Mazda BT-50 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2011 Mazda BT-50 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, 2011 Mazda BT-50 (330 Nm @ 1800 RPM) has 225 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2011 Mazda BT-50 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2011 Mazda BT-50 | |
| Make | Opel | Mazda |
| Model | Astra | BT-50 |
| Year Released | 1991 | 2011 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1700 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 141 HP |
| Engine RPM | 4600 RPM | 3500 RPM |
| Torque | 105 Nm | 330 Nm |
| Torque RPM | 2400 RPM | 1800 RPM |
| Engine Bore Size | 82.5 mm | 93 mm |
| Engine Stroke Size | 79.5 mm | 92 mm |
| Engine Compression Ratio | 23.0:1 | 18.0:1 |
| Top Speed | 149 km/hour | 158 km/hour |
| Acceleration 0-100mph | 19.8 seconds | 12.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1025 kg | 1866 kg |
| Vehicle Length | 4280 mm | 5080 mm |
| Vehicle Width | 1690 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1750 mm |
| Wheelbase Size | 2640 mm | 3010 mm |
| Fuel Tank Capacity | 75 L | 70 L |
