Penfolds produces wines across South Australia, drawing on the region's diverse terroirs and grape varieties. The winery's portfolio centers on Shiraz and Cabernet Sauvignon blends, with G4—a Cabernet Sauvignon and Shiraz blend—standing as its highest-rated expression. G3, a Shiraz, follows closely in critical assessment. The winery also produces Dalwood Australian Burgundy, a Pinot Noir that demonstrates range beyond its core varietals. Wines from Penfolds have been evaluated by major critics including Wine Spectator, Wine Enthusiast, Wine Advocate, Decanter, and Falstaff, reflecting the winery's position within the broader Australian wine landscape.