Here's something neat. The new gun skins added in The Contract aren't exclusive to Online. Once you've unlocked them, you can apply them to singleplayer weapons. : r/gtaonline
Top 5 Fastest Vehicles In GTA 5 Story Mode (Ranked By Top Speed) - GTA BOOM
Can you rob banks in GTA 5 story mode? - Quora
GTA Online: The Contract' DLC release date, trailer, story, characters, and missions
GTA V single-player DLC: 8 things we want to see, grand theft auto v iphone
The Contract Adds Much Needed Single Player Content to GTA Online
8 single-player DLCs that could have come to GTA 5, but NEVER did; check list
GTA 5 DLC Singleplayer Update Confirmed! - NEW GTA V Story Mode Content - (GTA 5 Online Gameplay)
8 Cancelled GTA 5 Story DLCs FOUND (Map Expansion)
Detective on X: Rockstar scrapped 8 single player DLCs for GTA 5 including Liberty City & North Yankton expansions. They were all deleted to focus on GTA Online and/or were repurposed into
I can definitely see why they never did a single player DLC for GTA 5 like they did with GTA 4 : r/GTA
GTA design head offers rationale behind ditching single-player DLC
Grand Theft Auto Online - IGN