Used 2021 GMC Sierra 1500 transmission – (AT), 4x4, 6.2L, opt NSS

Year & trim-specific price guide

Used 2021 GMC Sierra 1500 Transmission — (AT), 4x4, 6.2L, opt NSS prices

Trim-specific pricing for the (AT), 4x4, 6.2L, opt NSS variant of the 2021 GMC Sierra 1500 transmission, built from 32 real salvage yard listings with condition grade detail.

2021 GMC Sierra 1500 · (AT), 4x4, 6.2L, opt NSS

$2,200

median asking price

32 priced listings · $1,200–$3,680

Price summary

A used 2021 GMC Sierra 1500 transmission ((AT), 4x4, 6.2L, opt NSS) costs $1,200 to $3,680, with a median asking price of $2,200. Based on 32 priced salvage yard listings across the US, updated Aug 8, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$2,200
Grade B (good)$2,200

2021 GMC Sierra 1500 transmission — (AT), 4x4, 6.2L, opt NSS price snapshot

USD
Low
$1,200
Average
$2,336
High
$3,680
32 priced listings used · last updated Aug 8, 2026· How we price·

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Reporting price for 2021 GMC Sierra 1500 Transmission ((AT), 4x4, 6.2L, opt NSS)

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Condition comparison

Price by part grade

Grade AClean / low wear$1,200–$3,25014 listings
Grade BStandard used$1,750–$3,64410 listings
Grade CVisible wearUpdating
Grade XUngraded$1,350–$3,6808 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $1,200–$3,680 overall range

Trim-specific context

How does the (AT), 4x4, 6.2L, opt NSS compare?

This pricing covers the (AT), 4x4, 6.2L, opt NSS variant of the 2021 GMC Sierra 1500 transmission, based on 32 priced listings. Its $2,200 median is 19% below the 2021 GMC Sierra 1500 transmission overall median of $2,700.

There are 13 other transmission variants available for the 2021 GMC Sierra 1500.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same year, other trims

What other 2021 GMC Sierra 1500 transmission variants are available?

(AT), 4x4, 5.3L, 8 speed transmission (opt MQE)

47 listings$3,441$1,900 – $4,527

(AT), 4x4, 2.7L

46 listings$3,448$2,800 – $5,723

(AT), 4x2, 2.7L

45 listings$2,850$1,800 – $4,414

(AT), 4x2, 5.3L, 8 speed (opt MQE)

45 listings$2,950$1,900 – $4,414

(AT), 4x2, 4.3L

44 listings$2,145$350 – $2,866

(AT), 4x4, 5.3L, 10 speed transmission (opt MQB), w/o opt NSS

43 listings$2,450$1,465 – $3,744

(AT), 4x4, 6.2L, w/o opt NSS

43 listings$2,450$1,465 – $3,744

(AT), 4x2, 5.3L, 6 speed (opt MYC)

42 listings$2,450$1,850 – $3,150

(AT), 4x4, 4.3L

40 listings$2,091$1,200 – $3,245

(AT), 4x4, 5.3L, 6 speed transmission (opt MYC)

40 listings$3,250$2,310 – $4,450

(AT), 4x4, 5.3L, 10 speed transmission (opt MQB), opt NSS

32 listings$2,200$1,200 – $3,680

(AT), 4x4, 3.0L

30 listings$2,792$850 – $4,177

(AT), 4x2, 3.0L

5 listings$2,600$1,848 – $2,955

Back to full guide

2021 GMC Sierra 1500 transmission — all trims

View 2021 guide

Common questions

2021 GMC Sierra 1500 transmission ((AT), 4x4, 6.2L, opt NSS) FAQ

How much is a used 2021 GMC Sierra 1500 transmission ((AT), 4x4, 6.2L, opt NSS)?

Based on 32 priced salvage-yard listings, a used 2021 GMC Sierra 1500 transmission in the (AT), 4x4, 6.2L, opt NSS variant lists between $1,200 and $3,680, with a median asking price of $2,200.

Which years use the (AT), 4x4, 6.2L, opt NSS transmission?

In our current dataset, the (AT), 4x4, 6.2L, opt NSS variant appears only for the 2021 model year.