2004 Opel Astra vs. 2003 Chevrolet Blazer
To start off, 2004 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Chevrolet Blazer. In addition, the cost of maintenance, including insurance, on 2003 Chevrolet Blazer would be higher. At 4,300 cc (6 cylinders), 2003 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (197 HP @ 5400 RPM) has 7 more horse power than 2003 Chevrolet Blazer. (190 HP @ 4400 RPM). In normal driving conditions, 2004 Opel Astra should accelerate faster than 2003 Chevrolet Blazer. With that said, vehicle weight also plays an important factor in acceleration. 2003 Chevrolet Blazer weights approximately 375 kg more than 2004 Opel Astra.
Because 2003 Chevrolet Blazer is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Chevrolet Blazer. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 Chevrolet Blazer (339 Nm @ 2800 RPM) has 77 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2003 Chevrolet Blazer will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2003 Chevrolet Blazer has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Chevrolet Blazer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Astra | 2003 Chevrolet Blazer | |
| Make | Opel | Chevrolet |
| Model | Astra | Blazer |
| Year Released | 2004 | 2003 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 4300 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 197 HP | 190 HP |
| Engine RPM | 5400 RPM | 4400 RPM |
| Torque | 262 Nm | 339 Nm |
| Torque RPM | 4200 RPM | 2800 RPM |
| Engine Bore Size | 86.1 mm | 101.6 mm |
| Engine Stroke Size | 86 mm | 88.4 mm |
| Engine Compression Ratio | 8.8:1 | 9.2:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1425 kg | 1800 kg |
| Vehicle Length | 4520 mm | 4660 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1510 mm | 1640 mm |
| Wheelbase Size | 2640 mm | 2720 mm |
