Re: Gear ratio identification
Your assessment is correct: GQ1 is the "base" axle ratio for that powertrain combination, and it doesn't tell you specifically anywhere what that ratio is.
The only way to know without doing any physical checks would be if you had the powertrain charts which showed your specific combination, or if you can find your individual build sheet. (There might be a powertrain chart in either the brochure or trailering guide - keep your eyes open for one of those).
K
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