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2025 Chevrolet Silverado Mud Terrain Tires 4WD vs 2026 GMC Sierra 4WD AT4X with Sport Mode

EPA figure2025 Chevrolet Silverado Mud Terrain Tires 4WD2026 GMC Sierra 4WD AT4X with Sport Mode
Model year20252026
Body · drivePickup · 4-Wheel Drive · DieselPickup · 4-Wheel Drive · Diesel
Combined MPG2219
City / highway MPG21 / 2419 / 20
Fuel a year$4,350$5,050
Tailpipe CO₂ (g/mi)456524
Engine3.0 L 6-cyl turbo3.0 L 6-cyl turbo
TransmissionAutomatic 10-spdAutomatic 10-spd

▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.