1977 Pontiac Bonneville vs. 1978 Renault 18
To start off, 1978 Renault 18 is newer by 1 year(s). Which means there will be less support and parts availability for 1977 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Bonneville would be higher. At 5,734 cc (8 cylinders), 1977 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1977 Pontiac Bonneville (168 HP @ 3800 RPM) has 90 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 1977 Pontiac Bonneville should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Bonneville weights approximately 1135 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 1977 Pontiac Bonneville 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 1977 Pontiac Bonneville. 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, 1977 Pontiac Bonneville (373 Nm @ 2000 RPM) has 240 more torque (in Nm) than 1978 Renault 18. (133 Nm @ 3000 RPM). This means 1977 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18. 1977 Pontiac Bonneville 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. 1977 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Pontiac Bonneville | 1978 Renault 18 | |
| Make | Pontiac | Renault |
| Model | Bonneville | 18 |
| Year Released | 1977 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5734 cc | 1645 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 78 HP |
| Engine RPM | 3800 RPM | 5000 RPM |
| Torque | 373 Nm | 133 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2105 kg | 970 kg |
| Vehicle Length | 5750 mm | 4390 mm |
| Vehicle Width | 2030 mm | 1710 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 3140 mm | 2450 mm |
