1981 BMW 725 vs. 2003 Kia Sorento

To start off, 2003 Kia Sorento is newer by 22 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 10 more horse power than 2003 Kia Sorento. (138 HP @ 3800 RPM). In normal driving conditions, 1981 BMW 725 should accelerate faster than 2003 Kia Sorento.

Because 2003 Kia Sorento is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2003 Kia Sorento will offer significantly more control. 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, 2003 Kia Sorento (314 Nm @ 2000 RPM) has 99 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2003 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.

Compare all specifications:

1981 BMW 725 2003 Kia Sorento
Make BMW Kia
Model 725 Sorento
Year Released 1981 2003
Body Type Sedan SUV
Engine Position Front Front
Engine Size 2493 cc 2359 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 3800 RPM
Torque 215 Nm 314 Nm
Torque RPM 4000 RPM 2000 RPM
Engine Bore Size 86 mm 91 mm
Engine Stroke Size 71.6 mm 96 mm
Engine Compression Ratio 9.6:1 10.0:1
Fuel Type Gasoline Diesel
Drive Type Rear 4WD
Number of Doors 4 doors 5 doors
Vehicle Length 4870 mm 4500 mm
Vehicle Width 1810 mm 1840 mm
Vehicle Height 1440 mm 1710 mm
Wheelbase Size 2810 mm 2670 mm