Ive got an 08 5spd, and I can fit McD's, BK and sonic drinks in my cup holders and they dont interfere with shifter. Big cups do block the HVAC mode knob though.
FYI: To fit a bigger item in the cupholder you need to remove the insert......(it even tells you this in the owners manual I believe)
ASE Certified master Technician
ASE Certified Advanced Engine Performance Specialist
GM Certified Technician
GM Mark of Excellence Winner(Top Honors, Engine Repair)