frankly no need for 89. every 5.7 hemi says 89 is recommended for optimum fuel economy and power. owners manual clearly states 87 is fine to use. 1998 XJ 2DR 4.0L 5spd / 2017 GC SRT.sold / 2022 wrangler.sold / 2023 GCL SR Hemi.
About $35. Makes changing a piece of cake. '08 WK Limited, 5.7L HEMI, Quadra-Trac II, Bright Silver Metallic, Class IV Hitch, Michelin LTX M/S tires, Billet Technology oil catch can, Fumoto oil drain valve. Reply.
Jeep Grand Cherokee Eco Mode. According to fueleconomy.gov, the more recent 2022 Jeep Grand Cherokee’s annual fuel cost is about $2500 on average. So it is big money to spend. Most manufacturers imbed Eco mode (“economical mode”) in their vehicles for Better fuel economy. Jeep Grand Cherokee Eco Mode underrates your fuel cost.
All specifications, performance and fuel economy data of Jeep Grand Cherokee Overland AWD 5.7L V-8 (268 kW / 364 PS / 360 hp), edition of the year 2021 until September 2021 for North America , including acceleration times 0-60 mph, 0-100 mph, 0-100 km/h, 0-200 km/h, quarter mile time, top speed, mileage and fuel economy, power-to-weight ratio, dimensions, drag coefficient, etc.
With a longer stroke, the 6.4 engine will be able to provide you better power when compared to 5.7 hemi. But then again, in terms of engine displacement, the hemi 5.7 vs 6.4 fuel economy also gets involved. Here also you get better results with the 392 cubic inches engine displacement offered 6.4 hemi.
The 2009 Jeep Grand Cherokee was available with an improved 5.7 L Hemi engine rated at 360 hp (268 kW; 365 PS) and 390 lb⋅ft (529 N⋅m) of torque. The engine uses variable valve timing to increase fuel economy.
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jeep grand cherokee 5.7 hemi fuel consumption
