Very poor MPG on Kia Rondo with 43,000 miles. Is this a phenomenon?


Asked by Jun 15, 2014 at 03:38 PM about the 2009 Kia Rondo LX

Question type: Maintenance & Repair

I recently bought a 2009 Kia Rondo 2.4 that has 43,000 miles.  My cruising range is
less than 275 miles, giving me 17 MPG in town and 20 with a 40/60 (city/hwy) mix.  
When I did 80+% hwy, I got 23 MPG.  When I drive like an old lady, I still get 17.  The
car runs great except the transmission slips between 1st and 2nd a couple of times in
30 miles driving around town.  I am concerned about this, but the dealer reset the
memory (?) in the transmission and drove the car and said the transmission is fine.  I
don't agree.

The MPG is my biggest complaint.  Any ideas?  If I spend money, can I correct this?

4 Answers

Tom Demyan

I found on some of the Kia forums that owners are complaining of their brakes are hanging up causing them to drag on the rotors reducing MPG. The caliper slide pins get frozen, they should move. Have a local mechanic inspect them for you. Maybe that's why it feels like the transmission is slipping when it's not.


Thanks Mark. I'll check on this right away. I also think I'll look at a cold air intake with K&N filter. I wonder if a mild cat-back exhaust system might help. I don't need more performance, just want mpg.


the ronda was heavy,had the wrong shape, had a reg 2.4 motor, and had a sp auto, kia gave back thousands to owners for lieing about their gas milage, the milage your getting is about spot on for that car ,had a new kia opitma 2.4 and the best I got was 17 in the city ,but 31 on highway

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Best Answer

Thanks for the info. I suspected that since the newer Kia's sold elsewhere now have a 2.0 engine, they new they had to do something. The car fits our need so well, I'm just going to put up with it. My other choice would have been a similar Subaru Forester (about same year) but for the same price as the Kia, it would likely have over 100K miles and from what I read, the MPG wouldn't be much different. My 2004 Lincoln got better MPG!

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