1991 Opel Astra vs. 2005 Mazda 6
To start off, 2005 Mazda 6 is newer by 14 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 1,996 cc (4 cylinders), 2005 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Mazda 6 (143 HP @ 6000 RPM) has 87 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM) In normal driving conditions, 2005 Mazda 6 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda 6 weights approximately 340 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Mazda 6 (181 Nm @ 4500 RPM) has 76 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2005 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2005 Mazda 6 has automatic transmission and 1991 Opel Astra has manual transmission. 1991 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mazda 6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra | 2005 Mazda 6 | |
| Make | Opel | Mazda |
| Model | Astra | 6 |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1698 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 143 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 105 Nm | 181 Nm |
| Torque RPM | 2400 RPM | 4500 RPM |
| Engine Bore Size | 82.5 mm | 87.5 mm |
| Engine Stroke Size | 79.5 mm | 83.1 mm |
| Engine Compression Ratio | 23.0:1 | 11.0:1 |
| Top Speed | 150 km/hour | 206 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1035 kg | 1375 kg |
| Vehicle Length | 4250 mm | 4690 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2530 mm | 2710 mm |
| Fuel Tank Capacity | 52 L | 64 L |
