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Hi, I own a 2006 Suzuki G/Vitara, 2.7L V6 engine. Had a compression test done which showed 5 cylinders all at 175psi and one cylinder at 125psi. One month later another compression test done with the 5 still showing 175 and the remaining one dropping further to 110psi. Only problem experienced were some difficulty in starting. My question: is this vehicle safe to drive and would you consider a repair to be urgent?