At Bruichladdich, the peat costs far more than the barley

Two Bruichladdichs are here, the brand tag sitting around $124. One is the Classic Laddie, the distillery's unpeated house style. The other is Port Charlotte 10, its heavily peated line. Same distillery, same island, two very different drams, and the model rates each against a different set of neighbours because they are built to taste like different things. Set beside those neighbours, one is a fair buy and the other is a steep one, and the dividing line is the smoke.

Start with the fair one. The Classic Laddie is $109, about 6% over the roughly $103 its ten nearest neighbours cost. A single-figure gap, which in single malt is as close to fair as these pieces tend to find. And it is a lovely thing to drink: barley-forward, as the name promises, with lemon and honey, a little toffee and a dusting of cinnamon over fresh oak. The model reads it as orchard-and-cereal with a tropical lift, no peat to speak of, and that is exactly the Laddie's pitch. This is Islay with the smoke left out, a bright, malty, almost coastal whisky that shows what the island's barley does before the kiln gets involved. At six percent over its room it is doing honest work for the money.

Now the dear one. Port Charlotte 10 is $146, about 43% over the roughly $102 of its neighbourhood. That is a wide gap, and it buys you the opposite experience: heavy peat, iodine and a medicinal note, butterscotch and sherry sweetness underneath the smoke. The model loads it hard on peat and maritime character, which puts it in a room with the Lagavulins, the Laphroaigs and Caol Ila, the serious smoke of the island. It is a very good heavily-peated malt. The trouble is the company it keeps: several of those neighbours deliver comparable smoke for less, so Port Charlotte's tag stands out as one of the steeper ways to buy peat at this level.

Here is the thing the two bottles say together. Within one distillery, on one shelf, the smoke is what costs. The barley-led Laddie sits a whisker over its peers; the peated Port Charlotte sits a long way over its own. It is not that the peated whisky is worse value in some absolute sense, because the two are judged against different neighbourhoods and both are good drams. It is that the market puts a premium on Bruichladdich's peat that it does not put on Bruichladdich's barley, and the model, sitting each bottle next to its own kind, lets you see the size of that premium rather than guess at it.

What I keep coming back to is how neatly the distillery splits. A lot of ranges blur together, the bottles separated by a year of age and a few dollars. Bruichladdich draws a hard line instead: smoke or no smoke, and the price follows the smoke. If you already know which side of that line you live on, the shelf tells you plainly what your preference is going to cost you this week.

So the buying advice turns on taste before budget. If you want the brighter, barley-driven Islay, or you are not sure peat is for you, the Classic Laddie at $109 is the clear pick: a genuinely good malt at a fair tag, and the one of the pair the numbers endorse without hesitation. If you are set on the heavily-peated Port Charlotte 10, buy it knowing you are paying about forty percent over what comparable smoke fetches; it earns that partly on quality and partly on the name, and whether the balance is worth it is a call only your own palate can make. And if you are simply after the best value with the Bruichladdich badge on it, the Laddie wins on the numbers, no contest.

Two bottles, two answers, one clear line between them. The barley is the buy; the peat is the splurge.