1973 Chevrolet Blazer vs. 2002 Holden Astra
To start off, 2002 Holden Astra is newer by 29 year(s). Which means there will be less support and parts availability for 1973 Chevrolet Blazer. In addition, the cost of maintenance, including insurance, on 1973 Chevrolet Blazer would be higher. At 5,733 cc (8 cylinders), 1973 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 1973 Chevrolet Blazer (153 HP @ 4000 RPM) has 33 more horse power than 2002 Holden Astra. (120 HP @ 5600 RPM). In normal driving conditions, 1973 Chevrolet Blazer should accelerate faster than 2002 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Chevrolet Blazer weights approximately 700 kg more than 2002 Holden Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Chevrolet Blazer is four wheel drive (4WD), it will have significant more traction and grip than 2002 Holden Astra. In wet, icy, snow, or gravel driving conditions, 1973 Chevrolet Blazer 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, 1973 Chevrolet Blazer (346 Nm @ 2400 RPM) has 181 more torque (in Nm) than 2002 Holden Astra. (165 Nm @ 3600 RPM). This means 1973 Chevrolet Blazer will have an easier job in driving up hills or pulling heavy equipment than 2002 Holden Astra. 1973 Chevrolet Blazer has automatic transmission and 2002 Holden Astra has manual transmission. 2002 Holden Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Chevrolet Blazer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Chevrolet Blazer | 2002 Holden Astra | |
| Make | Chevrolet | Holden |
| Model | Blazer | Astra |
| Year Released | 1973 | 2002 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 153 HP | 120 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 346 Nm | 165 Nm |
| Torque RPM | 2400 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1850 kg | 1150 kg |
| Vehicle Length | 4670 mm | 4120 mm |
| Vehicle Width | 2050 mm | 1720 mm |
| Vehicle Height | 1870 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
