What type of oil is needed for this car - 2001 Lexus RX 300

On what? Need make model year and engine type

you use 10w40 or 20w50 motor oil in this if you talking about engine if your talking about differential oil then its 80 weight oil.

the parts store i use for my shop has them for 90 dollars

if you have access to a car ramp the oil plug is located on edge of the oil pan and while under your car you will see the oil filter it all depends on what kind of oil you want sometimes it boils down to budget but remember you get what you pay for

ford does have their own type you can get it at any parts store just tell them what it's for also at Ford

5w30 motor oil type of oil is recommended for dodge . I think you will need around 5 quarts .You can pick your own brand and type.It is recommended to change oil for around every 3000miles.

a car with over 75k requires a slightly heavier oil so i would reccommend using 20/50,best you can afford.

jag-you-are would prefer that you take your car to one of their service centers!! probably has an internal filter element that needs special equip. to access and change out.lot of high end cars have that type of filter now. my brothers mercedes mid-1990s doesn't even have a tranny dip-stick! need special tools to check level! hard to be a 'shade-tree' mechanic anymore!
good luck!

Look in the owners manual that's in the glove box, that will show what type of oil to use.
In case you don't have one
Moderate climate----- 5w/30
Hot climate----10w/30

hello, oil capacity 3.5 ltrs. oil type for cold climate:5W/30;moderate climate: 10W/30 and hot climate: 20W/50.engine oil classification: API/ACEA: SG/A2-96. there is a drain plug/bolt underneath the engine. you might see it if you raise the vehicle  to an appropriate hight for you. caution, make sure you brace the vehicle. put necessary wheel brace in front and rear of the wheels to keep the car from sliding and to prevent you from being squished from underneath the car.