Specs for 2015 GMC 1500

Changes this model year:
unknown

Engines

Transmissions

Transmission 8L90
Speeds 8
Type Automatic
Gear ratio 1 4.56
Gear ratio 2 2.97
Gear ratio 3 2.08
Gear ratio 4 1.69
Gear ratio 5 1.27
Gear ratio 6 1.00
Gear ratio 7 0.85
Gear ratio 8 0.65
Gear ratio reverse 3.82

Transfer Case

Axle Ratios

Interior Dimensions

Exterior Dimensions

Axles & Driveline

Brakes, Wheels & Tires

Towing

References

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Other years for this model: 2014 - 2016