MountainVerified spec

2021 GT Avalanche Comp

Launched at $825Lists today at $950 (2026-09)

Own a 2021 GT Avalanche Comp?

Track its value in your garage, or list it for sale locally in a few taps.

What a used one is worth

New

$461

$298 to $555

Like new

$438

$283 to $528

Excellent

$415

$268 to $500

Good

$346

$223 to $417

Fair

$254

$164 to $305

For parts

$138

$89 to $167

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Fork: SR Suntour XCM-DS, 100mm, Hydraulic Lockout and Preload adjust, Coil
Stem: GT All Terra, 6061 Alloy, 31.8, 8°
Tires: WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound
Brakes: Shimano MT200 Hydro Disc, 160/160mm RT10 Rotors
Saddle: GT MTB
Wheels: WTB SX19, 32h; Shimano MT200, QRx100 / Shimano MT200, QRx141
Cassette: Sunrace, 11-42, 10-speed
Crankset: Prowheel Charm, 32T
Seatpost: GT All-Terra Micro Adjust Alloy Seat Post, 30.9mm
Shifters: Shimano Deore M4100, 10-speed
Handlebar: GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width
Rear derailleur: Shimano Deore M4120
Travel front mm: 100

GT model code G27301M. Model year from the product code suffix on GT's page (_21). Launch price: GT US page captured 2020-09, inside the model year.

No Avalanche listed right now. Save a search in the app and get told when one appears.