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Does the 2021 Chevrolet Tahoe need premium gas?

No. Regular.

$0extra 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 Chevrolet Tahoe: fuel grade by trim
TrimEngineGradeMpgRegular, a yearPremium, a year
Commercial 2WD5.3L 8cylRegular18$2,133$2,533
LS 2WD5.3L 8cylRegular18$2,133$2,533
LS 4WD5.3LRegular18$2,133$2,533
LT RWD5.3LRegular18$2,133$2,533
LT 4WD5.3L 8cylRegular18$2,133$2,533
RST RWD5.3LRegular18$2,133$2,533
Z71 4WD5.3L 8cylRegular18$2,133$2,533
RST 4WD5.3L 8cylRegular18$2,133$2,533
Premier RWD5.3LRegular18$2,133$2,533
Premier 4WD5.3L 8cylRegular18$2,133$2,533
High Country RWD6.2LRegular17$2,259$2,682
High Country 4WD6.2L 8cylRegular16$2,400$2,850

Rivals

2021 Chevrolet Tahoe and rivals: grade of the cheapest trim
CarCheapest trimGrade
2021 Chevrolet TahoeCommercial 2WDRegular
2021 GMC YukonSLE RWDRegular
2021 Ford ExpeditionXL 4x2Premium
2021 Toyota SequoiaSR5 RWDRegular
2021 Chevrolet TraverseL FWDRegular
2021 Chevrolet SuburbanCommercial 2WDRegular
2021 Cadillac EscaladeLuxury 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