1997 Infiniti Q45 vs. 1981 Renault 18
To start off, 1997 Infiniti Q45 is newer by 16 year(s). Which means there will be less support and parts availability for 1981 Renault 18. In addition, the cost of maintenance, including insurance, on 1981 Renault 18 would be higher. At 4,130 cc (8 cylinders), 1997 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1997 Infiniti Q45 (265 HP @ 5600 RPM) has 199 more horse power than 1981 Renault 18. (66 HP @ 4500 RPM). In normal driving conditions, 1997 Infiniti Q45 should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1997 Infiniti Q45 weights approximately 709 kg more than 1981 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1997 Infiniti Q45 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 1997 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 1981 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, 1997 Infiniti Q45 (378 Nm @ 4000 RPM) has 254 more torque (in Nm) than 1981 Renault 18. (124 Nm @ 2250 RPM). This means 1997 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18.
Compare all specifications:
| 1997 Infiniti Q45 | 1981 Renault 18 | |
| Make | Infiniti | Renault |
| Model | Q45 | 18 |
| Year Released | 1997 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 2068 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 265 HP | 66 HP |
| Engine RPM | 5600 RPM | 4500 RPM |
| Torque | 378 Nm | 124 Nm |
| Torque RPM | 4000 RPM | 2250 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Vehicle Weight | 1759 kg | 1050 kg |
| Vehicle Length | 5070 mm | 4410 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2450 mm |
