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2025 INEOS Automotive Grenadier vs 2026 Mercedes-Benz GLS600 4matic Maybach

EPA figure2025 INEOS Automotive Grenadier2026 Mercedes-Benz GLS600 4matic Maybach
Model year20252026
Body · driveSUV · 4-Wheel Drive · GasSUV · All-Wheel Drive · Hybrid
Combined MPG1515
City / highway MPG15 / 1513 / 18
Fuel a year$5,500$5,500
Tailpipe CO₂ (g/mi)592585
Engine3.0 L 6-cyl turbo4.0 L 8-cyl turbo
TransmissionAutomatic (S8)Automatic 9-spd

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