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Bought a new 2015 sport 4 dr, RPM's are running about 2100 at 60-65 mph. Geared at 3.73

75mph runs about 2400 RPM's

My 2010 was running around 1900-2000 at 75 mph.

Might be completely normal but I wanted to get opinions from some with more knowledge than I have on this subject,

175 miles on the jeep.

Thanks in advance.


Paul
 

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The overdrive ratio is taller (numerically lower) in the 2010, meaning lower RPM's at same speed.
 

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Bought a new 2015 sport 4 dr, RPM's are running about 2100 at 60-65 mph. Geared at 3.73 75mph runs about 2400 RPM's My 2010 was running around 1900-2000 at 75 mph. Might be completely normal but I wanted to get opinions from some with more knowledge than I have on this subject, 175 miles on the jeep. Thanks in advance. Paul
2010 sounds like it was geared 3.21 or taller tires
 
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