RoadVerified spec

2018 Giant Defy Advanced 3

Launched at $1,685

Own a 2018 Giant Defy Advanced 3?

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

What a used one is worth

New

$733

$443 to $912

Like new

$697

$421 to $867

Excellent

$660

$399 to $821

Good

$550

$332 to $684

Fair

$403

$244 to $502

For parts

$220

$133 to $274

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

L: Reach mm: 390; Stack mm: 605; Chainstay mm: 420; Wheelbase mm: 1022; Head angle deg: 72.5; Seat angle deg: 73
M: Reach mm: 377; Stack mm: 567; Chainstay mm: 420; Wheelbase mm: 995; Head angle deg: 72.5; Seat angle deg: 73.5
S: Reach mm: 373; Stack mm: 546; Chainstay mm: 420; Wheelbase mm: 990; Head angle deg: 72; Seat angle deg: 74
XL: Reach mm: 398; Stack mm: 624; Chainstay mm: 420; Wheelbase mm: 1037; Head angle deg: 72.5; Seat angle deg: 72.5
M/L: Reach mm: 381; Stack mm: 586; Chainstay mm: 420; Wheelbase mm: 1007; Head angle deg: 72.5; Seat angle deg: 73

MSRP as listed on the Giant Group US product page for this model year, accessed 2026-09-21.

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