What's a typical price range for a transmission on a 2020 GMC Sierra 1500?

Based on 12 recent market listings, a transmission for a 2020 GMC Sierra 1500 typically runs $3,973–$3,973, with a median around $3,973.

Is it worth repairing or replacing the transmission on a 2020 GMC Sierra 1500?

As a general rule of thumb, a transmission replacement on a 2020 GMC Sierra 1500 (full-size truck segment, vehicle value roughly $14,935–$19,009) is usually worth it when the installed cost stays under about $7,637 — roughly 45% of what the vehicle is worth.

What years of GMC Sierra 1500 does a remanufactured or new transmission fit?

Based on vendor-verified fitment data across 551 listed transmissions, remanufactured and new transmissions for this model cover the 1999–2026 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.

2020 GMC Sierra 1500 Transmissions

Remanufactured transmissions that fit the 2020 GMC Sierra 1500. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.

Available Transmissions (17)

6L80 Remanufactured Automatic Transmission
Price
$2,655.00
Engine:
5.3L
Condition:
remanufactured
OE + 6L80 Remanufactured Automatic Transmission
Price
$2,815.00
Engine:
5.3L
Condition:
remanufactured
OE + 6L80 Remanufactured Automatic Transmission
Price
$2,815.00
Engine:
5.3L
Condition:
remanufactured

2020 GMC Sierra 1500 Transmissions

Available Transmissions (17)

6L80 Remanufactured Automatic Transmission

OE + 6L80 Remanufactured Automatic Transmission

OE + 6L80 Remanufactured Automatic Transmission

2020 GMC Sierra 1500 Transmission Market Context

Recent transmission prices for this vehicle

Is replacing the transmission worth it?

Frequently Asked Questions

OE + 6L80 Remanufactured Automatic Transmission

6L80 Remanufactured Automatic Transmission

6L80 Remanufactured Automatic Transmission

Remanufactured Transmission T6L80E5319T4

Remanufactured Transmission T6L80E4319T2S

Remanufactured Transmission T6L80E5319T2S

Remanufactured Transmission T6L80E4319T4

6L80 Remanufactured Automatic Transmission

Remanufactured Transmission T10L803020T4

Remanufactured Transmission T10L805319T4

Remanufactured Transmission T10L803020T2

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Remanufactured Transmission

Remanufactured Transmission T8L905320T4

Other GMC Sierra 1500 Years