2007 Cadillac STS vs. 1992 Renault 21
To start off, 2007 Cadillac STS is newer by 15 year(s). Which means there will be less support and parts availability for 1992 Renault 21. In addition, the cost of maintenance, including insurance, on 1992 Renault 21 would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 231 more horse power than 1992 Renault 21. (91 HP @ 5200 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1992 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 745 kg more than 1992 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1992 Renault 21. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS will offer significantly more control. 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 289 more torque (in Nm) than 1992 Renault 21. (138 Nm @ 3500 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1992 Renault 21. 2007 Cadillac STS has automatic transmission and 1992 Renault 21 has manual transmission. 1992 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 1992 Renault 21 | |
| Make | Cadillac | Renault |
| Model | STS | 21 |
| Year Released | 2007 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 322 HP | 91 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 427 Nm | 138 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 81 mm |
| Engine Stroke Size | 84 mm | 83.5 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1820 kg | 1075 kg |
| Vehicle Length | 4990 mm | 4650 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2960 mm | 2820 mm |
