1981 BMW 525 vs. 2005 Kia Optima
To start off, 2005 Kia Optima is newer by 24 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,495 cc (6 cylinders), 1981 BMW 525 is equipped with a bigger engine. In terms of performance, 1981 BMW 525 (148 HP @ 5500 RPM) has 10 more horse power than 2005 Kia Optima. (138 HP @ 4000 RPM). In normal driving conditions, 1981 BMW 525 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 217 kg more than 1981 BMW 525.
Because 1981 BMW 525 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 1981 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2005 Kia Optima, 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, 1981 BMW 525 (215 Nm) has 16 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 1981 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
1981 BMW 525 | 2005 Kia Optima | |
Make | BMW | Kia |
Model | 525 | Optima |
Year Released | 1981 | 2005 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2495 cc | 2360 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 148 HP | 138 HP |
Engine RPM | 5500 RPM | 4000 RPM |
Torque | 215 Nm | 199 Nm |
Engine Bore Size | 86.1 mm | 87.1 mm |
Engine Stroke Size | 71.6 mm | 100 mm |
Engine Compression Ratio | 9.6:1 | 10.0:1 |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1280 kg | 1497 kg |
Vehicle Length | 4780 mm | 4730 mm |
Vehicle Width | 1810 mm | 1820 mm |
Vehicle Height | 1440 mm | 1420 mm |
Wheelbase Size | 2630 mm | 2620 mm |
Fuel Consumption | 7.2 L/100km | 7.8 L/100km |
Fuel Consumption City | 13.1 L/100km | 10.7 L/100km |
Fuel Consumption Overall | 9.4 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 70 L | 65 L |