Autoblog and Yahoo may earn commission from links in this article.A full-size SUV is a big, long-term investment, so dependability matters as much as space or power. The Toyota Sequoia, Nissan Armada, and Ford Expedition are three of the most capable haulers in the class, but they carry very different reliability reputations, and two of them are freshly redesigned and unproven.2026 Toyota Sequoia TRD ProToyotaBrand track record, powertrain complexity, redesign risk, and resale value all shape how dependable one of these SUVs is likely to be. Here is how the Sequoia, Armada, and Expedition compare on reliability, and which one is the most reliable.2026 Nissan Armada NISMONissanSpecs and pricingSpecificationToyota SequoiaNissan ArmadaFord ExpeditionEngine3.4L turbo V6 hybrid3.5L turbo V63.5L turbo V6Reliability reputationExcellentAverage, durable drivetrainSolid, but redesign unprovenDesign ageOn sale since 2023Redesigned for 2025Redesigned for 2025Resale valueStrongestWeakestMiddleStarting priceAbout $65,000About $59,000About $63,000A Toyota Sequoia costs more than a Ford Expedition or a Nissan Armada, but its dependability reputation is a big part of what that premium buys.2026 Ford ExpeditionFordHow reliable is the Toyota Sequoia?Toyota's reputation carries the Sequoia. No mainstream brand has a stronger dependability record than Toyota, and the Sequoia benefits directly, with owner-reported problems generally fewer than its rivals and the strongest resale value of this trio, a good proxy for long-term confidence.2026 Toyota Sequoia CapstoneToyotaAdvertisementAdvertisementIts current generation has been on sale since 2023, so most early kinks are sorted, though its i-FORCE MAX hybrid V6 is a more complex, newer powertrain than the simple V8s that made older Sequoias famously bulletproof, which is worth keeping in mind. Even so, it remains the safest reliability bet here by a comfortable margin.How reliable is the Ford Expedition?A solid record meets an unproven redesign in the Expedition. Ford's full-size SUV built a generally dependable reputation over the past two decades, and it has the engineering pedigree of a long-running nameplate.2026 Ford Expedition TremorFordThe wrinkle is that it was fully redesigned for 2025 with a new twin-turbocharged EcoBoost V6, and first-year designs and turbocharged engines both add a measure of risk that a settled model does not carry. Ford's overall reliability tends to land around average for the industry. It is a reasonable bet, but its freshness makes it less of a sure thing than the more established Sequoia.How reliable is the Nissan Armada?A durable drivetrain with a mixed brand record describes the Armada. Nissan's big SUV has long been praised for robust, long-lasting engines and running gear, and its body-on-frame toughness is genuine.2026 Nissan Armada Pro 4XNissanBut Nissan's overall reliability reputation is more middling than Toyota's, its resale value is the weakest of the three, and owners of higher-mileage Armadas report issues with items like catalytic converters, brakes, and electronics. Like the Expedition, it was redesigned for 2025 with a new twin-turbo V6 replacing its old V8, so even that proven durability is now an open question. It lands third for dependability confidence.So which one is the most reliable?The Toyota Sequoia is the most reliable, and it is the clear pick. Backed by Toyota's class-leading dependability reputation, the fewest owner complaints of this trio, and by far the strongest resale value, it is the safest long-term choice, even accounting for the added complexity of its newer hybrid powertrain. For buyers who plan to keep a full-size SUV for years, it is the one to trust.AdvertisementAdvertisementThe Ford Expedition is a reasonable second, with a solid historical reputation, though its fresh 2025 redesign and new turbo engine leave its dependability unproven for now. The Nissan Armada offers a genuinely durable drivetrain but carries Nissan's more average reliability record, weaker resale, and its own unproven redesign, placing it third. For the most reliable full-size SUV of the three, the Sequoia wins.This story was originally published by Autoblog on Aug 4, 2026, where it first appeared in the Car Buying section. Add Autoblog as a Preferred Source by clicking here.