What type of wiper blade should I buy for the 2015 GMC Terrain?

Conventional, beam (frameless), and hybrid blades are all available for the 2015 GMC Terrain (24" driver, 17" passenger — a staggered pair). Treat conventional, beam, and hybrid as product styles, not fitment proof. For the 2015 GMC Terrain, keep the checked lengths above and confirm the PTB adapter is included; length alone is not enough.

Does the 2015 GMC Terrain have a rear wiper blade?

Yes. The 2015 GMC Terrain uses a 13" rear wiper blade. Confirm the size in the retailer's selector before ordering.

When should I replace the wiper blades on the 2015 GMC Terrain?

Replacement timing is not vehicle-specific on this page. Replace when blades streak, chatter, crack, tear, or harden; use the checked positions above and confirm the connector or adapter at checkout.

2015 GMC Terrain wiper blade size

The 2015 GMC Terrain uses a 24" driver-side wiper blade, a 17" passenger-side blade, and a 13" rear wiper blade with PTB connectors. Supported by 6 checked sources.

Driver 24"

Passenger 17"

Rear 13"

Connector PTB

Blade sizes: Verified Connector: Verified Last verified: 2026-06-12 Primary source: WiperSizeChart

Front sizes confirmed unchanged across 8 model years (2010–2017).

Size changed at this generation boundary: Checked records show 24" driver / 18" passenger for 2018–2025 — different from this 2015 page. Confirm this is the correct model year before ordering.

Driver blade is 7" longer than passenger blade (24" vs 17").

Check retailer search paths View sources

Conventional, beam, or hybrid — which type should I buy? →

Bosch ICON Beam

Driver 24" → Passenger 17" →

Rain-X Latitude Water Repellency

Driver 24" → Passenger 17" →

Trico Tech Beam

Driver 24" → Passenger 17" →

Search shortcuts only — confirm blade length, vehicle selector fitment, and adapter before ordering.

2015 GMC Terrain wiper blade size chart

Item	Size	Notes
Driver	24"	Driver-side wiper blade
Passenger	17"	Passenger-side wiper blade
Rear	13"	Rear wiper blade
Connector	PTB	Checked connector / arm type

Retailer searches:

Walmart → AutoZone → Amazon → O'Reilly →

GMC Terrain wiper blade sizes by year

16 checked GMC Terrain years. Same front blade sizes for 2010–2017 in checked records. Confirm the exact year before ordering.

Year	Driver	Passenger	Rear	Connector
2025 Size changed	24"	18"	10"	9 X 3 Hook
2024	24"	18"	12"	9 X 3 Hook
2023	24"	18"	12"	9 X 3 Hook
2022 Size changed	24"	18"	12"	9 X 3 Hook
2021	24"	18"	13"	9 X 3 Hook
2020	24"	18"	13"	9 X 3 Hook
2019	24"	18"	13"	9 X 3 Hook
2018 Size changed	24"	18"	13"	9 X 3 Hook
2017	24"	17"	13"	PTB
2016	24"	17"	13"	PTB
2015 Current page	24"	17"	13"	PTB
2014	24"	17"	13"	PTB
2013	24"	17"	13"	PTB
2012	24"	17"	13"	PTB
2011	24"	17"	13"	Push Button (22mm)
2010	24"	17"	13"	PTB

Year-specific context

2015 sits between 2016 and 2014 in this Terrain year table. It is the eleventh-newest listed Terrain row in this table. For this Terrain, compare the eleventh-newest row with the tenth-newest row above and the twelfth-newest row below before checkout. Same visible pattern: 2017, 2016, 2014, 2013, 2012, 2011, 2010. Compare the exact year row before ordering.

2015 GMC Terrain fitment notes

Connector type: PTB

PTB connector confirmed. Confirm the package includes that adapter.

Verify before checkout

If a retailer shows different sizes, compare source dates before ordering.

Vehicle-specific evidence notes

Front pair

This row uses a staggered front pair: 24" driver, 17" passenger.

Rear position

Rear: 13", supported by WiperSizeChart and Rain-X.

Source coverage

Source table: 6 checked source rows. Driver: 2 source labels; passenger: 2 source labels.

Connector evidence

Connector: PTB, checked.

Before ordering for this 2015 GMC Terrain

Checkout verification checklist

Front pair: Choose 24" driver and 17" passenger.
Rear blade: Select a 13" rear blade.
Connector: PTB. Confirm the package includes this adapter.
Source check: 2026-06-12 from WiperSizeChart.

About this data

How we verify fitment

Checked fitment data. Last verified: 2026-06-12.

This page-specific source pack checked WiperSizeChart. Driver: Supported by WiperSizeChart, Rain-X; passenger: Supported by WiperSizeChart, Rain-X; rear: Supported by WiperSizeChart, Rain-X.

Blade sizes: Verified
Rear status: 13" verified
Connector: Verified
Sources: WiperSizeChart
Cross-checked: Bosch, TRICO, AutoZone, O'Reilly, Rain-X

Field-level source support

Driver blade: Supported by WiperSizeChart, Rain-X
Passenger blade: Supported by WiperSizeChart, Rain-X
Rear blade: Supported by WiperSizeChart, Rain-X
Connector / arm: Supported by Rain-X

Source	Role	Supports	Checked	Link
Bosch	Cross-check source	Checked only	2026-06-12	Visit source
TRICO	Cross-check source	Checked only	2026-06-12	Visit source
AutoZone	Retailer fitment check	Checked only	2026-06-12	Checked source
O'Reilly	Retailer fitment check	Checked only	2026-06-12	Checked source
WiperSizeChart	Primary fitment reference	Driver, Passenger, Rear	2026-06-12	Checked source
Rain-X	Cross-check source	Driver, Passenger, Rear, Connector	2026-06-14	Visit source