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Jeep Grand Cherokee 1998 Fuel Requirements

Fuel requirements may vary by market, engine and model year. Always follow the owner's manual, fuel-door label or manufacturer instructions where available.

Verified engines and markets

Official regional source

Jeep Grand Cherokee 1998

Premium Recommended
Minimum91 RON
Recommended95 RON
Market
Global Market
Engine
4.0L inline-6 / V8
Powertrain
Internal combustion
Fuel type
Gasoline
Fuel tank
87 L
Source & Verification

Jeep Grand Cherokee Regional Owner's Manual & Specification

Last verified
2026-10-06

Use trim-specific guidance. Regular unleaded 91 RON or higher accepted.

What happens if I use a lower octane fuel?

The minimum is permitted by the source while the higher grade is recommended. We do not assume a performance or economy benefit beyond the source.

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