2007 Cadillac STS vs. 1981 Renault 9
To start off, 2007 Cadillac STS is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Renault 9. In addition, the cost of maintenance, including insurance, on 1981 Renault 9 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 (320 HP) has 253 more horse power than 1981 Renault 9. (67 HP). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 778 kg more than 1981 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 317 more torque (in Nm) than 1981 Renault 9. (110 Nm @ 3000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2007 Cadillac STS | 1981 Renault 9 | |
| Make | Cadillac | Renault |
| Model | STS | 9 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1397 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 67 HP |
| Torque | 427 Nm | 110 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 76 mm |
| Engine Stroke Size | 84 mm | 77 mm |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1638 kg | 860 kg |
| Vehicle Length | 4990 mm | 4070 mm |
| Vehicle Width | 1850 mm | 1660 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2960 mm | 2490 mm |
| Fuel Tank Capacity | 64 L | 38 L |
