As we've reported in the past, all new 6.2L engines going forward for MY15 will be paired with GM's all new Hydra-Matic eight-speed automatic transmission Other notable changes include Magnetic Ride Control for Sierra Denali, enhanced MyLink/Intellink with Siri Eyes Free, a new J2807 tow rating, and a set of new colors.
Heated and power adjustable trailering mirrors that include auxiliary backup lighting are pegged for late availability.
Here's the full change list for both models:
New on the 2015 Silverado
- Hydra-Matic 8L90 eight-speed automatic transmission (6.2L V-8 models)
- 12,000-pound max trailering capacity available, based on SAE J2807 Recommended Practices
- Enhanced Chevrolet MyLink with Text Messaging Alerts and Siri Eyes Free
- Available OnStar with 4G LTE and built-in Wi-Fi hotspot (3GB/three-month data trial)
- New, available up-level trailering mirrors with back-up lighting
- Argent grille with chrome surround on LTZ models with the Z71 package
- Spray-on bedliner now offered on all models
- USB port added to upper glove box on LT models with 40/20/40 front bench seat
- Exterior colors: Rain Forrest Metallic, Deep Ocean Blue Metallic, Sunrise Metallic (limited availability) and, Orange U Tempted (limited availability), Overcast Metallic (limited availability), Pewter Metallic (limited availability)
New on the 2015 Sierra
- Hydra-Matic 8L90 eight-speed automatic transmission (6.2L V-8 models)
- Magnetic ride control suspension added to Sierra Denali
- Enhanced IntelliLink with Text Messaging Alerts and Siri Eyes Free
- Available OnStar with 4G LTE and built-in Wi-Fi hotspot (3GB/three-month data trial)
- Revised trailering ratings based on SAE J2807 Recommended Practices
- Spray-on bedliner now offered on all models – including three-dimensional GMC logo; standard on Sierra Denali (with Denali logo)
- New, available up-level trailering mirrors with LED rear guidance lamps
- USB port added to upper glove box on SLE models with 40/20/40 front bench seat
- Exterior colors: Emerald Green Metallic and Stone Blue Metallic
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