1978 Cadillac Seville vs. 1978 Renault 18
To start off, both 1978 Cadillac Seville and 1978 Renault 18 were released in the same year (1978). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1978 Cadillac Seville (123 HP @ 3600 RPM) has 60 more horse power than 1978 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 1978 Cadillac Seville should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 895 kg more than 1978 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Cadillac Seville 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 1978 Cadillac Seville. However, in wet, icy, snow, or gravel driving conditions, 1978 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, 1978 Cadillac Seville (304 Nm @ 1600 RPM) has 201 more torque (in Nm) than 1978 Renault 18. (103 Nm @ 3000 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18. 1978 Cadillac Seville has automatic transmission and 1978 Renault 18 has manual transmission. 1978 Renault 18 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Cadillac Seville | 1978 Renault 18 | |
| Make | Cadillac | Renault |
| Model | Seville | 18 |
| Year Released | 1978 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 1397 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 63 HP |
| Engine RPM | 3600 RPM | 5500 RPM |
| Torque | 304 Nm | 103 Nm |
| Torque RPM | 1600 RPM | 3000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1890 kg | 995 kg |
| Vehicle Length | 5190 mm | 4500 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1410 mm |
| Wheelbase Size | 2910 mm | 2450 mm |
