2005 Kia Optima vs. 1988 Renault 21
To start off, 2005 Kia Optima is newer by 17 year(s). Which means there will be less support and parts availability for 1988 Renault 21. In addition, the cost of maintenance, including insurance, on 1988 Renault 21 would be higher. At 2,671 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (170 HP @ 4000 RPM) has 95 more horse power than 1988 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 1988 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 532 kg more than 1988 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Kia Optima (241 Nm) has 112 more torque (in Nm) than 1988 Renault 21. (129 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1988 Renault 21.
Compare all specifications:
| 2005 Kia Optima | 1988 Renault 21 | |
| Make | Kia | Renault |
| Model | Optima | 21 |
| Year Released | 2005 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 170 HP | 75 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 241 Nm | 129 Nm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1487 kg | 955 kg |
| Vehicle Length | 4730 mm | 4470 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Consumption Overall | 10.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 65 L | 55 L |
