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The Chevrolet Tahoe, produced from 2015 to 2020 as part of its fifth generation, continued to define the large SUV segment with its blend of comfort, versatility, and capability. This generation featured a more modern and aerodynamic design, enhancing both aesthetics and fuel efficiency. Inside, the Tahoe offered a spacious and well-appointed cabin with three rows of seating, accommodating up to nine passengers comfortably. Technological advancements were a hallmark of this generation, with features like Chevrolet’s MyLink infotainment system, Apple CarPlay, and Android Auto connectivity, as well as advanced driver assistance systems. The Tahoe maintained its robust towing capacity, making it an excellent choice for hauling and outdoor activities. With multiple V8 engine options and a well-tuned suspension, it delivered a smooth and powerful driving experience. The 2015-2020 Chevrolet Tahoe combined the best of modern technology with the practicality and capability expected from a full-size SUV.

Chevrolet Tahoe specifications, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.

Engine 5.3L 8-Cylinder

  • Recommended oil viscosity: 0W-30
  • Oil certification: DEXOS-1
  • Drain plug torque: 18 ft-lbs
  • Oil capacity: 6.0 quarts

Spark Plug Gap

  • 5.3L 8-Cylinder : 0.040”


  • Capacity: 
  • Regular : 98.4 L 26.0 gal
  • Extended 1500 Series: 119.2 L 31.5 gal
  • Extended 2500 Series: 147.6 L 39.0 gal

Transmission Fluid (Pan Removal and Filter Replacement)

  • Capacity: 
  • 6L80-E Transmission: 6.0 qt (5.7 L)
  • 6L90-E Transmission: 6.3 qt (6.0 L)

Automatic Transmission

  • Type: DEXRON®-VI Automatic Transmission Fluid.

Chassis Lubrication

  • Type: Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.

Engine Coolant

  • Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.

Front Axle (1500 Series Vehicles with Four-Wheel Drive))

  •  Type: SAE 80W-90 Axle Lubricant (GM Part No. 89021671, in Canada 89021672)

Front Axle (2500 Series Vehicles with Four-Wheel Drive)

  • Type: SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in Canada 89021678)

Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.)

  • Type: Spline Lubricant, Special Lubricant (GM Part No. 19257121, in Canada 19257122).

Hydraulic Brake System

  • Type: DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819).

Key Lock Cylinders, Hood Hinges, Power Assist Steps, and Outer Liftgate Handle Pivot Points

  • Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).

Rear Axle

  •  Type: SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 89021677, in Canada 89021678)

Transfer Case (Four-Wheel Drive)

  • Type: DEXRON-VI Automatic Transmission Fluid.
  • Capacity: 1.6qt (1.5L)

Hood Hinges

  • Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).

Weatherstrip Conditioning

  • Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).

Weatherstrip Squeaks

  • Type: Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in Canada 10953437)

Windshield Washer

  • Type: Automotive windshield washer fluid that meets regional freeze protection requirements



  • 5.3 L Ecotec3 FlexFuel V8
  • 6.2 L Ecotec3 FlexFuel V8


  • 6-speed 6L80 automatic
  • 8-speed 8L90 automatic (Denali)

Fuel Consumption

Chevrolet Tahoe Fuel Consumption

Safety Ratings


Front Lights

  • Daytime Running Light Bulb:
    • 9005LL
    • LED
  • Front Fog Light Bulb: 12278
  • Front Sidemarker Light Bulb: LED
  • Front Turn Signal Light Bulb: 7440NA
  • High Beam Headlight Bulb: 9005LL
  • Low Beam Headlight Bulb:
    • H11LL
    •  HID-D3S

Rear Lights

  • Back Up Light Bulb: 921
  • Brake Light Bulb: 7440LL
  • Center High Mount Stop Light Bulb: LED
  • License Plate Light Bulb: 2825L
  • Parking Light Bulb: LED
  • Rear Sidemarker Light Bulb: LED
  • Rear Turn Signal Light Bulb: 7440LL
  • Tail Light Bulb: LED 

Interior Lights

  • Dome Light Bulb: LED
  • Interior Door Light Bulb: LED
  • Luggage Compartment Light Bulb: LED
  • Map Light Bulb: LED