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Does the 2021 Mercedes-Benz E-Class All Terrain need premium gas?

Yes. Premium.

$288extra a year

Pick another car

12,000 miles a year. Gas $3.20. Premium $0.60 more.

Convertibles100%Coupes93%Sedans60%Wagons60%SUVs50%Hatchbacks15%Trucks8%Minivans0%
288 models (2021). One trim per model: the cheapest with a grade.
2021 Mercedes-Benz E-Class All Terrain: fuel grade by trim
TrimEngineGradeMpgRegular, a yearPremium, a year
E-Class E 350 RWD2.0L 4cylPremium25$1,536$1,824
E-Class E 350 4MATIC AWD2.0L 4cylPremium25$1,536$1,824
E-Class E 450 4MATIC AWD3.0L 6cylPremium26$1,477$1,754
E-Class E 450 RWD3.0L 6cylPremium26$1,477$1,754
E-Class E 450 4MATIC AWD3.0L 6cylPremium25$1,536$1,824
E-Class E 450 4MATIC AWD3.0L 6cylPremium24$1,600$1,900
E-Class E 450 Cabriolet 2D RWD3.0L 6cylPremium25$1,536$1,824
E-Class E 450 4MATIC Cabriolet 2D AWD3.0L 6cylPremium25$1,536$1,824

Rivals

2021 Mercedes-Benz E-Class All Terrain and rivals: grade of the cheapest trim
CarCheapest trimGrade
2021 Mercedes-Benz E-Class All TerrainE-Class E 350 RWDPremium
2021 Lexus ES350 FWDRegular
2021 Alfa Romeo GiuliaRWDPremium
2021 Audi A440 TFSI Premium AWDRegular
2021 Lexus IS300 RWDPremium
2021 Volvo S60T5 Momentum FWDPremium
2021 BMW 3 Series330i RWDPremium

What this cannot tell you

Check the fuel door or manual before you fill.

Gas prices and the premium gap change by state.

How values are checked