2026 Rivian R1S All-Terrain Tri Max (20In) vs Mercedes-Benz G 580 with Eq Technology — Side by Side Comparison

How does the 2026 Rivian R1S All-Terrain Tri Max (20In) compare to the Mercedes-Benz G 580 with Eq Technology? We put them side by side using EPA fuel economy data and NHTSA safety ratings.

Specifications Comparison

FeatureRivian R1S All-Terrain Tri Max (20In)Mercedes-Benz G 580 with Eq Technology
Combined MPG6862
City MPG7268
Highway MPG6356
Body StyleSUVSUV
Drive4WD4WD
Fuel TypeElectricElectric
Safety RatingN/A / 5N/A / 5
Recalls00
Trims Available11

Fuel Economy

The Rivian R1S All-Terrain Tri Max (20In) is more fuel efficient by 6 MPG combined. Over a year, the Rivian R1S All-Terrain Tri Max (20In) saves approximately $100 in fuel costs.

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