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GizmoDriver

Does the 2020 Lexus IS need premium gas?

Yes. Premium.

$300extra a year

Pick another car

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

Convertibles100%Coupes93%Sedans52%SUVs47%Hatchbacks31%Trucks8%Minivans0%
307 models (2020). One trim per model: the cheapest with a grade.
2020 Lexus IS: fuel grade by trim
TrimEngineGradeMpgRegular, a yearPremium, a year
300 RWD2.0L 4cylPremium24$1,600$1,900
IS 300 F SPORT RWD2.0L 4cylPremium24$1,600$1,900
300 AWD3.5LPremium21$1,829$2,171
IS 300 F SPORT AWD3.5LPremium21$1,829$2,171
350 RWD3.5L 6cylPremium23$1,670$1,983
IS 350 F SPORT RWD3.5L 6cylPremium23$1,670$1,983
350 AWD3.5LPremium21$1,829$2,171
IS 350 F SPORT AWD3.5LPremium21$1,829$2,171

Rivals

2020 Lexus IS and rivals: grade of the cheapest trim
CarCheapest trimGrade
2020 Lexus IS300 RWDPremium
2020 Kia CadenzaTechnology FWDRegular
2020 Alfa Romeo GiuliaRWDPremium
2020 Audi A440 Premium FWDPremium
2020 Jaguar XES RWDPremium
2020 Lexus ES350 FWDRegular

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