2007 Cadillac STS vs. 1984 Renault 18
To start off, 2007 Cadillac STS is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Renault 18. In addition, the cost of maintenance, including insurance, on 1984 Renault 18 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 @ 6400 RPM) has 257 more horse power than 1984 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1984 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 576 kg more than 1984 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1984 Renault 18, 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 324 more torque (in Nm) than 1984 Renault 18. (103 Nm @ 3000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1984 Renault 18. 2007 Cadillac STS has automatic transmission and 1984 Renault 18 has manual transmission. 1984 Renault 18 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 | 1984 Renault 18 | |
| Make | Cadillac | Renault |
| Model | STS | 18 |
| Year Released | 2007 | 1984 |
| 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 | 63 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 427 Nm | 103 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 76 mm |
| Engine Stroke Size | 84 mm | 77 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1566 kg | 990 kg |
| Vehicle Length | 4990 mm | 4410 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2960 mm | 2450 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
