MountainVerified spec

2018 GT Avalanche Sport

Launched at $650Lists today at $650 (2017-10)

Own a 2018 GT Avalanche Sport?

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

What a used one is worth

New

$283

$171 to $352

Like new

$269

$162 to $334

Excellent

$255

$154 to $317

Good

$212

$128 to $264

Fair

$156

$94 to $194

For parts

$85

$51 to $106

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

Fork: SR Suntour XCT-HLO w/ 100mm Travel, Steel Stanchions, Aluminum Leg, Post Mount Disc Brake, Hydraulic Lockout, QR, For 27.5 or 29"
Stem: All Terra 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10° Rise, 31.8mm Clamp
Tires: All Terra Cypher, 30tpi, 27.5/29X2.10" (F/R)
Brakes: (F) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26, (R) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26
Saddle: All Terra MTB
Wheels: All Terra Double Wall, 32H 27.5/29, disc specific; (F) Alloy Disc hub, W/ Quick Release, (R) Alloy Cassette Disc hub, W/ Quick Release
Cassette: Sunrace CS-M90, 11-34T, 9-Speed Cassette
Crankset: All-Terra V-401, 44/32/22T
Seatpost: All Terra Alloy Micro-Adjust, 30.9mm
Shifters: Shimano SL-M2000, Rapid Fire
Handlebar: 6061 Aluminum Riser, 680mm Width, 12mm Rise, 31.8mm Clamp, Double Butted
Rear derailleur: Shimano, Alivio, RD-M4000
Travel front mm: 100

GT model code G27428M. Launch price: GT US page captured 2017-10, inside the model year.

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