2021 GMC Terrain transmission price snapshot
- Low
- $175
- Average
- $496
- High
- $900
Year-specific price guide
Used 2021 GMC Terrain Transmission prices
Year-specific used transmission pricing for the 2021 GMC Terrain, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 23, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2021 GMC Terrain transmission
A used 2021 GMC Terrain transmission costs between $175 and $900, with a median of $500 from 97 salvage yard listings.
What the transmission does, common failure signs, and prices across all vehicles: used transmission price guide →
Also known asGearboxTransaxle
Price summary
A used 2021 GMC Terrain transmission costs $175 to $900, with a median asking price of $500. Based on 97 priced salvage yard listings across the US, compatible across 2018–2021 (4 model years), updated Sep 23, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$529
Grade B (good)$400
USD
Condition comparison
Price by part grade
Grade AClean / low wear$221–$90048 listings
Grade BStandard used$175–$71040 listings
Grade XUngraded$300–$7509 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $221–$900 | 48 | |
| Grade BStandard used | $175–$710 | 40 | |
| Grade XUngraded | $300–$750 | 9 |
Median by grade
Grade price comparison
Grade A$529
Grade B$400
Ungraded$600
Median asking price by seller-reported condition grade · $175–$900 overall range
Replacement cost
What is the 2021 GMC Terrain transmission replacement cost?
- Used part
- $500
- 2021 GMC Terrain median asking price
- Labor
- $570–$1,800
- 6–12 hours at $95–$150/hr
- Estimated total
- $1,070–$2,300
- median used part + labor
Labor is a typical independent-shop range for transmission replacement, not a quote for your vehicle; it does not include transmission fluid and filter, and a torque converter check on automatics. The part price is the live median from the salvage-yard listings on this page. Full transmission replacement cost breakdown
Fitment matters
Price by trim & variant
Year-specific context
How does the 2021 GMC Terrain compare?
The 2021 guide is based on 100 observed listings, including 97 with posted prices. Its $500 median is 34% below the GMC Terrain guide's $755 median.
Among the 11 model years with current price data, 2021 ranks #1 from lowest to highest median.
Interchange data shows this part is also listed under model years 2018, 2019, 2020. Shopping across all 4 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a GMC Terrain transmission cost in other years?
202580 listings$1,175$875 – $1,378202495 listings$883$550 – $1,275202323 listings$949$595 – $1,2002022200 listings$625$183 – $1,5002020200 listingsCompatible$590$183 – $1,7192019300 listingsCompatible$885$175 – $3,5372018282 listingsCompatible$818$175 – $3,5072017200 listings$1,150$150 – $3,5942016200 listings$700$150 – $2,6222015200 listings$1,150$150 – $3,594
Keep browsing this vehicle
What other GMC Terrain parts are priced?
01wide ±172%
AC Compressor
$110median
$35$413
02wide ±163%
ABS Module
$116median
$35$413
03wide ±188%
Air Bag
$241median
$45$950
04wide ±168%
Alternator
$85median
$30$316
05wide ±151%
Axle Shaft
$102median
$34$343
06wide ±194%
Blower Motor
$80median
$20$331
07wide ±264%
Brake Caliper
$55median
$20$310
08wide ±116%
Rear Bumper Assembly
$524median
$153$1,372
09wide ±184%
Front Bumper
$270median
$61$1,055
10wide ±165%
Rear Bumper
$230median
$65$825
11wide ±273%
Car Radio
$106median
$20$599
12wide ±213%
Center Console
$106median
$25$476
13wide ±85%
AC Condenser
$162median
$49$325
14wide ±146%
Control Arm
$84median
$40$285
15
Differential
Price data updating
16wide ±72%
Door Assembly
$946median
$362$1,725
17wide ±169%
Drive Shaft
$193median
$51$705
18wide ±192%
Engine
$1,525median
$300$6,144
19wide ±204%
Engine Computer
$94median
$30$413
20wide ±275%
Exhaust Manifold
$157median
$35$900
21wide ±78%
Fender
$325median
$115$625
22wide ±146%
Fog Light
$100median
$34$325
23wide ±141%
Front Seat
$175median
$67$559
24wide ±135%
Fuel Pump
$125median
$25$362
25wide ±117%
Fuel Tank
$163median
$40$420
26wide ±119%
Grille
$270median
$59$700
27wide ±186%
Headlight Assembly
$386median
$75$1,509
28spread ±22%
Heater Core
$116median
$75$126
29wide ±62%
Hood
$642median
$250$1,044
30wide ±150%
Ignition Switch
$106median
$24$343
31
Instrument Cluster
Price data updating
32wide ±158%
Intake Manifold
$76median
$25$265
33wide ±152%
Master Cylinder
$99median
$30$331
34wide ±207%
Side Mirror
$150median
$25$646
35wide ±193%
Power Steering Pump
$100median
$30$415
36wide ±142%
Quarter Panel
$420median
$206$1,400
37wide ±240%
Radiator
$120median
$25$600
38wide ±170%
Rear View Mirror
$110median
$20$395
39wide ±240%
Starter
$75median
$20$380
40wide ±113%
Steering Column
$168median
$35$413
41wide ±162%
Steering Rack
$145median
$30$500
42wide ±114%
Steering Wheel
$145median
$39$371
43wide ±194%
Strut
$75median
$30$321
44wide ±158%
Sunroof
$200median
$85$715
45wide ±223%
Tail Light
$150median
$25$694
46wide ±108%
Tailgate
$1,400median
$226$3,250
47wide ±197%
Throttle Body
$66median
$20$280
48wide ±75%
Torque Converter
$200median
$100$400
49wide ±286%
Transfer Case
$283median
$80$1,700
50wide ±202%
Transmission Control Module
$96median
$20$407
51wide ±105%
Turbocharger
$200median
$79$500
52wide ±133%
Water Pump
$50median
$24$157
53wide ±226%
Wheels
$187median
$35$880
54wide ±138%
Window Regulator
$100median
$30$305
Common questions
2021 GMC Terrain transmission FAQ
How much is a used 2021 GMC Terrain transmission?
Based on 97 priced salvage-yard listings, a used 2021 GMC Terrain transmission lists between $175 and $900, with a median asking price of $500.
How much does it cost to replace a 2021 GMC Terrain transmission?
Using a used part, a 2021 GMC Terrain transmission replacement typically runs $1,070–$2,300 all-in: the median used transmission for this year lists at $500, and independent-shop labor for transmission replacement typically takes 6–12 hours at $95–$150/hr ($570–$1,800). The labor figure does not include transmission fluid and filter, and a torque converter check on automatics. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2021 GMC Terrain transmission fit another year?
Based on salvage-yard interchange data, listings for the 2021 GMC Terrain transmission also appear under model years 2018, 2019, 2020, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2021 GMC Terrain gearbox?
A gearbox is another name for a transmission. The prices on this page cover the 2021 GMC Terrain transmission — median $500, from 97 listings.