1973 Chevrolet Blazer vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 34 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, 2007 Opel Astra (197 HP @ 5400 RPM) has 44 more horse power than 1973 Chevrolet Blazer. (153 HP @ 4000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1973 Chevrolet Blazer. With that said, vehicle weight also plays an important factor in acceleration. 1973 Chevrolet Blazer weights approximately 465 kg more than 2007 Opel Astra.
Because 1973 Chevrolet Blazer is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel 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 84 more torque (in Nm) than 2007 Opel Astra. (262 Nm @ 1950 RPM). This means 1973 Chevrolet Blazer will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 1973 Chevrolet Blazer has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel 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 | 2007 Opel Astra | |
| Make | Chevrolet | Opel |
| Model | Blazer | Astra |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 153 HP | 197 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 346 Nm | 262 Nm |
| Torque RPM | 2400 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1850 kg | 1385 kg |
| Vehicle Length | 4670 mm | 4300 mm |
| Vehicle Width | 2050 mm | 1760 mm |
| Vehicle Height | 1870 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
