2006 Cadillac STS vs. 1981 Matra-Simca Rancho
To start off, 2006 Cadillac STS is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Matra-Simca Rancho. In addition, the cost of maintenance, including insurance, on 1981 Matra-Simca Rancho would be higher. At 4,565 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 242 more horse power than 1981 Matra-Simca Rancho. (79 HP @ 5600 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1981 Matra-Simca Rancho. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 686 kg more than 1981 Matra-Simca Rancho. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1981 Matra-Simca Rancho, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Cadillac STS (427 Nm @ 4400 RPM) has 311 more torque (in Nm) than 1981 Matra-Simca Rancho. (116 Nm @ 3000 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1981 Matra-Simca Rancho. 2006 Cadillac STS has automatic transmission and 1981 Matra-Simca Rancho has manual transmission. 1981 Matra-Simca Rancho will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 1981 Matra-Simca Rancho | |
| Make | Cadillac | Matra-Simca |
| Model | STS | Rancho |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1442 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 79 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 116 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 76.7 mm |
| Engine Stroke Size | 84 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 145 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1818 kg | 1132 kg |
| Vehicle Length | 4990 mm | 4320 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1470 mm | 1740 mm |
| Wheelbase Size | 2960 mm | 2530 mm |
| Fuel Tank Capacity | 66 L | 60 L |
