- Unleaded 88 Gasoline? - Jeep Wrangler Forum
Unleaded 88 gasoline is E15 fuel, containing up to 15% ethanol While some newer vehicles may be rated to handle this, many older vehicles are only rated for E10 (10% ethanol) Some users in the thread advise against using E15 due to ethanol's lower energy content (resulting in decreased MPG), potential for corrosion, and tendency to attract moisture They suggest that the higher octane rating
- 2021 Wrangler and E88 fuel - Jeep Wrangler Forum
E88 fuel is a blend of 85% gasoline and 15% ethanol, resulting in an octane rating of 87 or higher While it won't harm your Wrangler, it may reduce fuel economy by 2-3% (approximately 0 5 mpg) due to ethanol's lower energy content compared to pure gasoline Avoid fuels with higher ethanol content (like E85) unless your vehicle is specifically designed as a flex-fuel vehicle To determine if
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