They looks similar to each other, but, in fact, they are not identical. Here are some difference between Oreck Magnesium RS and SP, the info should be helpful to those who are deciding between these 2 Oreck Magnesium vacuum cleaners.

Oreck SP vs RS
images from manufacturer

Swivel Steering
The RS features SlimSwivel that makes it easier to move around obstacles while the SP does not have this unique design.

On/Off Control
The RS has the wireless QuickSwitch on the handle that allows you to switch power level easily, whereas the SP does not have the wireless QuickSwitch design, it uses a On/Off button which is located on the back of the vacuum, not on the handle for fingertip control.

Side Brushes
The RS is equipped with horsehair edge brushes for cleaning baseboards and edges whereas the SP have no side brushes.

Warranty & Tune-Up
The RS carries 7-year limited warranty and 5 annual tune-ups, while the SP is backed by 7-year limited warranty and 3 annual tune-ups.

Dimensions
The dimensions of the RS are 47.75” H x 12” W x 10.5” D while the dimensions of the SP are 47.5” H x 12” W x 10.5” D.

Price
The RS is $200 more expensive than the SP.
The RS list price on oreck.com is $599.99 while the SP is priced at $399.99, prices checked on November 10, 2014.

Color
They are in different colors as you can see from the product images.

If you own the Oreck Magnesium SP or RS, and know other difference between them, please share your reviews below, thank you.