Gran Turismo 6 Passes 5 Million Sales, Series Climbs to 76.8

Best-selling Gran Turismo games revealed; see the full list here.
A new game edition in the Gran Turismo Series.

Forza 3 vs GT5 Prologue comparison - super smooth Prologue wins

GT7: 2 Million Credits, Gold 1:16.592 Lap Time Challenge Track

Gran Turismo Series Sales at Almost 76.5 Million : r/PS4

GT6 Sales Total 4.71 Million, Franchise Over 76 Million Units

2009 Interactive Industry Report - 2009.06.29, PDF

Gran Turismo 6 Mega Guide: Earning Credits Quickly, Fastest Car

Gran Turismo 6 exceeds 5 million sales, series total over 76

Yes, Gran Turismo 6 has micro-transactions

Gran Turismo Series Sales Top 90 Million Units

Gran Turismo has sold more than 90 million copies as it turns 25

Forza 3- Gameplay, Porsche 997 GT3 on Amalfi Coast

Gran Turismo History

Car Dealer Magazine: Issue 185 by Blackball Media - Issuu

Review: Gran Turismo 6 - Slant Magazine