2003 Infiniti Q45

The 2003 Infiniti Q45 is a full-size luxury sedan powered by a 4.5L V8 producing 340 horsepower, making it one of the most potent Japanese luxury sedans of its era. The Q45's advanced air suspension and extensive electronics require a battery capable of sustained, consistent output. OKC Mobile Auto provides premium mobile battery service for Q45 owners in the Oklahoma City area, bringing the right high-capacity battery and installing it at your location.

We carry batteries compatible with the Infiniti Q45 and most other makes and models. No need to call a tow truck or sit in a waiting room — we bring the shop to you.

Not certain the battery is actually the problem? A slow crank or no-start on the 2003 Infiniti Q45 can also point to the alternator, the starter or a parasitic draw. Describe what your Q45 is doing in our free AI diagnostic tool and you will get the likely causes, how urgent it is and a repair estimate in under a minute — then book battery service once you know what you are dealing with.