1978 Renault Siete vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Renault Siete. In addition, the cost of maintenance, including insurance, on 1978 Renault Siete would be higher. At 2,171 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (124 HP @ 3250 RPM) has 75 more horse power than 1978 Renault Siete. (49 HP @ 5000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1978 Renault Siete. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 794 kg more than 1978 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 Signum (280 Nm @ 1500 RPM) has 208 more torque (in Nm) than 1978 Renault Siete. (72 Nm @ 3000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault Siete. 2005 Opel Signum has automatic transmission and 1978 Renault Siete has manual transmission. 1978 Renault Siete will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Renault Siete | 2005 Opel Signum | |
| Make | Renault | Opel |
| Model | Siete | Signum |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1037 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 49 HP | 124 HP |
| Engine RPM | 5000 RPM | 3250 RPM |
| Torque | 72 Nm | 280 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 816 kg | 1610 kg |
| Vehicle Length | 3900 mm | 4640 mm |
| Vehicle Width | 1530 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2540 mm | 2710 mm |
