The 2026 GMC Acadia takes the lead under the hood with a 2.5-liter turbocharged engine that produces 328 horsepower and 326 lb-ft of torque a noticeable advantage over the Highlander’s 265-hp 2.4-liter turbo engine. Whether merging onto I-26 or tackling mountain roads toward Boone Lake, the Acadia’s acceleration feels effortless and confident.
Paired with a smooth 8-speed automatic transmission and available twin-clutch all-wheel drive, the Acadia delivers precision handling and stability across Tennessee’s winding roads. The Highlander performs well but doesn’t offer the same level of responsiveness or refinement.
Performance Highlights:
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2.5L Turbocharged 4-cylinder engine (328 hp / 326 lb-ft)
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8-speed automatic transmission
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Available twin-clutch AWD system for improved traction
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Confident, quick acceleration
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Maximum towing capacity: up to 5,000 lbs
In everyday driving, the Acadia feels powerful yet composed perfect for daily commutes around Johnson City or weekend trips into the Blue Ridge Mountains.
