Originally Posted by dru_

This is pretty close IMO. Red is very much their high end, and it competes well with mechanical Dura Ace though it is priced closer to Ultegra than Dura-Ace. Rival is priced closer to 105, but performance and weight puts it in-line with Ultegra, While Apex sits between Tiagra and 105 in price but roughly equal to 105 in performance and weight. SRAM really has nothing in the Road lineup to compete with Claris and Sora, but you will find the occasional hybrid running SRAM parts from their mtn bike offerings where they to cover a broader section of the matrix.

That said, you can mix and match SRAM components a little easier than Shimano, so it isn't unusual to find RED shifters in use with Force deraillleurs. .