2005 Opel Astra vs. 1974 Renault Siete
To start off, 2005 Opel Astra is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Renault Siete. In addition, the cost of maintenance, including insurance, on 1974 Renault Siete would be higher. At 1,795 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (123 HP) has 79 more horse power than 1974 Renault Siete. (44 HP). In normal driving conditions, 2005 Opel Astra should accelerate faster than 1974 Renault Siete. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 450 kg more than 1974 Renault Siete. 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 Opel Astra (170 Nm @ 3800 RPM) has 86 more torque (in Nm) than 1974 Renault Siete. (84 Nm @ 2000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1974 Renault Siete.
Compare all specifications:
| 2005 Opel Astra | 1974 Renault Siete | |
| Make | Opel | Renault |
| Model | Astra | Siete |
| Year Released | 2005 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 1108 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 44 HP |
| Torque | 170 Nm | 84 Nm |
| Torque RPM | 3800 RPM | 2000 RPM |
| Engine Bore Size | 80.5 mm | 70 mm |
| Engine Stroke Size | 88.2 mm | 72 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1265 kg | 815 kg |
| Vehicle Length | 4300 mm | 3900 mm |
| Vehicle Width | 1760 mm | 1530 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2540 mm |
