2009 Mazda CX-7 vs. 1991 Opel Astra
To start off, 2009 Mazda CX-7 is newer by 18 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 2,260 cc (4 cylinders), 2009 Mazda CX-7 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-7 (244 HP @ 5000 RPM) has 162 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 2009 Mazda CX-7 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-7 weights approximately 64 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, 2009 Mazda CX-7 (350 Nm @ 2500 RPM) has 182 more torque (in Nm) than 1991 Opel Astra. (168 Nm @ 2400 RPM). This means 2009 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2009 Mazda CX-7 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. 2009 Mazda CX-7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mazda CX-7 | 1991 Opel Astra | |
| Make | Mazda | Opel |
| Model | CX-7 | Astra |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 244 HP | 82 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Torque | 350 Nm | 168 Nm |
| Torque RPM | 2500 RPM | 2400 RPM |
| Engine Compression Ratio | 10.0:1 | 22.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1194 kg | 1130 kg |
| Vehicle Length | 4680 mm | 4060 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1650 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2640 mm |
| Fuel Tank Capacity | 69 L | 75 L |
