Cabernet Sauvignon is the grape most people think of when they think of red wine. There's a reason for that — it grows almost everywhere, it's hard to screw up at scale, and it delivers that dark, firm, "this is definitely wine" experience that anchors restaurant wine lists around the world.
The thing is, where it grows changes what it tastes like more than most grapes.
Napa Valley Cab leans ripe. Blackcurrant jam, baking chocolate, sometimes a whiff of espresso from new French oak. These wines are generous, plush at $40+, and occasionally over-extracted at the low end. Silver Oak Alexander Valley ($85-90) is the bottle that launched a thousand imitators. For something less obvious, look at Matthiasson Napa Valley ($55-65) — more restraint, more interesting.
Bordeaux is the original, and it's a different animal. Left Bank Bordeaux (Pauillac, Margaux, Saint-Julien) blends Cabernet with Merlot and Cabernet Franc. The result is more austere when young — pencil shavings, cedar, iron. Château Haut-Marbuzet ($35-45) punches well above its classification. For entry-level Bordeaux, any Côtes de Bordeaux at $12-15 will outperform most $12 Cabs from anywhere else.
Chile and Argentina are where the value is. Catena Alta Cabernet Sauvignon from Mendoza ($25-30) delivers Napa-like concentration at half the price. Concha y Toro Marqués de Casa Concha ($15-18) from Maipo Valley is the kind of bottle you buy six of and don't think twice.
Here's the honest take: cheap Cabernet under $10 is usually rough. The tannins don't have enough fruit to balance them, and you get this green, vegetal, astringent thing that makes you understand why people say they don't like red wine. Cabernet rewards spending $14-15 minimum. That extra few dollars buys you ripeness, and ripeness is what makes the tannins taste like structure instead of punishment.
At a restaurant, Cabernet is the safety pick when you're ordering steak, lamb, or anything grilled with serious char. The fat in the meat tames the tannins. Without fat, Cab can feel like chewing on suede. That's not a flaw — it's a feature, but only if the food matches.
One thing people get wrong: Cabernet doesn't need to age. Young Cab from a warm climate (Napa, Paso Robles, Mendoza) drinks great on release. The "you need to cellar it for 10 years" advice applies to Bordeaux and a few high-end Napa producers, not to the $18 bottle you're opening Tuesday night.