1991 Opel Astra 1.6i Saloon Automatic vs. 1991 Opel Astra 1.7 Diesel Saloon
To start off, both 1991 Opel Astra 1.6i Saloon Automatic and 1991 Opel Astra 1.7 Diesel Saloon were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,698 cc (4 cylinders), 1991 Opel Astra 1.7 Diesel Saloon is equipped with a bigger engine. In terms of performance, 1991 Opel Astra 1.6i Saloon Automatic (100 HP @ 5600 RPM) has 44 more horse power than 1991 Opel Astra 1.7 Diesel Saloon. (56 HP @ 4600 RPM). In normal driving conditions, 1991 Opel Astra 1.6i Saloon Automatic should accelerate faster than 1991 Opel Astra 1.7 Diesel Saloon. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra 1.6i Saloon Automatic weights approximately 25 kg more than 1991 Opel Astra 1.7 Diesel Saloon. 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, 1991 Opel Astra 1.6i Saloon Automatic (135 Nm @ 3400 RPM) has 30 more torque (in Nm) than 1991 Opel Astra 1.7 Diesel Saloon. (105 Nm @ 2400 RPM). This means 1991 Opel Astra 1.6i Saloon Automatic will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra 1.7 Diesel Saloon. 1991 Opel Astra 1.6i Saloon Automatic has automatic transmission and 1991 Opel Astra 1.7 Diesel Saloon has manual transmission. 1991 Opel Astra 1.7 Diesel Saloon will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Opel Astra 1.6i Saloon Automatic will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra 1.6i Saloon Automatic | 1991 Opel Astra 1.7 Diesel Saloon | |
| Make | Opel | Opel |
| Model | Astra | Astra |
| Year Released | 1991 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1698 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 56 HP |
| Engine RPM | 5600 RPM | 4600 RPM |
| Torque | 135 Nm | 105 Nm |
| Torque RPM | 3400 RPM | 2400 RPM |
| Engine Compression Ratio | 9.8:1 | 23.0:1 |
| Top Speed | 173 km/hour | 150 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1035 kg |
| Vehicle Length | 4250 mm | 4250 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2530 mm |
