2000 Infiniti Q45 vs. 1981 Renault 18
To start off, 2000 Infiniti Q45 is newer by 19 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), 2000 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2000 Infiniti Q45 (265 HP @ 5600 RPM) has 185 more horse power than 1981 Renault 18. (80 HP @ 5000 RPM). In normal driving conditions, 2000 Infiniti Q45 should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2000 Infiniti Q45 weights approximately 735 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 2000 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 2000 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, 2000 Infiniti Q45 (378 Nm @ 4000 RPM) has 241 more torque (in Nm) than 1981 Renault 18. (137 Nm @ 3000 RPM). This means 2000 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18. 2000 Infiniti Q45 has automatic transmission and 1981 Renault 18 has manual transmission. 1981 Renault 18 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2000 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2000 Infiniti Q45 | 1981 Renault 18 | |
| Make | Infiniti | Renault |
| Model | Q45 | 18 |
| Year Released | 2000 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 1647 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 265 HP | 80 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 378 Nm | 137 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 81 mm |
| Engine Stroke Size | 76 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1760 kg | 1025 kg |
| Vehicle Length | 5070 mm | 4470 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1450 mm | 1410 mm |
