2003 Buick Regal Transmissions

Used and remanufactured transmissions that fit the 2003 Buick Regal. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from EP Transmissions.

Available Transmissions (5)

Other Buick Regal Years

2003 Buick Regal Transmission Market Context

Is replacing the transmission worth it?

Vehicle value (mid-size sedan):
$2,500 – $3,000
Repair makes sense under:
≈$1,250

Rule of thumb: a transmission replacement is usually worth it when the installed cost stays under 50% of what the 2003 Buick Regal is worth — most units below beat that comfortably.

Frequently Asked Questions

Is it worth repairing or replacing the transmission on a 2003 Buick Regal?

As a general rule of thumb, a transmission replacement on a 2003 Buick Regal (mid-size sedan segment, vehicle value roughly $2,500–$3,000) is usually worth it when the installed cost stays under about $1,250 — roughly 50% of what the vehicle is worth.

What years of Buick Regal does a remanufactured or new transmission fit?

Based on vendor-verified fitment data across 116 listed transmissions, remanufactured and new transmissions for this model cover the 1981–2017 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.