U.S. vehicle reference
2018 Chevrolet Tahoe Oil Capacity and Oil Type by Engine
The 2018 Chevrolet Tahoe takes 8 quarts of SAE 0W-20 with a filter change (5.3L, 6.2L), according to the Chevrolet owner's manual.
Quoted from the Chevrolet owner's manual with page numbers. Figures online often conflict because they mix engines or with- and without-filter amounts, so match your engine first.
Compiled by Uzman Munib · Record updated · Source and review standards
2018 Chevrolet Tahoe oil capacity and oil type by engine
US quarts by engine, quoted from the Chevrolet owner's manual with the page for each figure. Coverage is limited to the named configurations.
| Engine | Oil capacity | Oil grade | Without filter change | Source |
|---|---|---|---|---|
| 5.3L V8 L835.3L V8 | 8 US qtwith filter | SAE 0W-20 | Not stated | Oil with filter: printed p. 402, PDF p. 403Oil grade and dexos1: printed p. 299, PDF p. 300Source noteThe manual lists an approximate 8.0 US qt with filter. Choose an SAE 0W-20 oil meeting dexos1, then recheck the level using the manual procedure. These are Tahoe engine records, not the heavy-duty Suburban supplement. Checked 2026-09-30. Market: U.S. and Canada. |
| 6.2L V8 L866.2L V8 | 8 US qtwith filter | SAE 0W-20 | Not stated | Oil with filter: printed p. 402, PDF p. 403Oil grade and dexos1: printed p. 299, PDF p. 300Source noteThe manual lists an approximate 8.0 US qt with filter. Choose an SAE 0W-20 oil meeting dexos1, then recheck the level using the manual procedure. These are Tahoe engine records, not the heavy-duty Suburban supplement. Checked 2026-09-30. Market: U.S. and Canada. |
Tahoe oil capacity in other years
At a glance
2018 Chevrolet Tahoe reference
Use the summary to orient yourself, then open the exact engine, drivetrain and source record below.
Engine oil capacity
8 qt with filter
Source
5.3L V8 manufacturer referencesAccessed 2026-09-30, 2026-09-05OE tire size
Not published
2018 Chevrolet Tahoe Oil Capacity and Oil Type
Oil specification
GM dexos1 approved engine oil
Source
5.3L V8 manufacturer referencesAccessed 2026-09-30, 2026-09-052018 Chevrolet Tahoe Wheel Torque Specs
Lug nut size
Not published
Fluids
Transmission capacity
Not published
Transmission fluid
DEXRON-VI (6-speed) or DEXRON ULV (10-speed), as equipped
Source
5.3L V8 manufacturer referencesAccessed 2026-09-30, 2026-09-05Coolant type
DEX-COOL, 50/50 mixture with clean drinkable water
Source
5.3L V8 manufacturer referencesAccessed 2026-09-30, 2026-09-05Brake fluid
DOT 3 hydraulic brake fluid
Source
5.3L V8 manufacturer referencesAccessed 2026-09-30, 2026-09-05Power steering fluid
Not published
Differential fluid
Not published
2018 Chevrolet Tahoe Spark Plugs and Battery
Spark plugs
Not published
Battery group
Not published
2018 Chevrolet Tahoe Towing Capacity
Towing capacity
Not published
Payload capacity
Not published
Service Intervals
Compare service intervals| Item | Months | Miles |
|---|---|---|
| Brake fluid | 60 | Not published |
5.3L V8 manufacturer references
2018 Chevrolet Tahoe/Suburban Owner Manual, second printing Accessed 2026-09-302018 Chevrolet Tahoe/Suburban Owner Manual transcription (GMNA-11349385) Accessed 2026-09-052018 Chevrolet Tahoe MPG by engine and drivetrain
EPA combined ratings run from 17 to 19 mpg across 6 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
| Configuration / engine | City | Highway | Combined | Annual fuel | CO₂ |
|---|---|---|---|---|---|
| Tahoe C1500 2WD5.3L 8-cylinder · Automatic 6-spd · Rear-Wheel Drive · Regular GasolineEPA configuration record | 16 mpg | 23 mpg | 19 mpg | $3,250 | 468 g/mi |
| Tahoe C1500 2WD5.3L 8-cylinder · Automatic 6-spd · Rear-Wheel Drive · Regular GasolineEPA configuration record | 16 mpg | 23 mpg | 19 mpg | $3,250 | 468 g/mi |
| Tahoe K1500 4WD6.2L 8-cylinder · Automatic 10-spd · 4-Wheel Drive · Premium GasolineEPA configuration record | 14 mpg | 22 mpg | 17 mpg | $4,450 | 523 g/mi |
| Tahoe K1500 4WD5.3L 8-cylinder · Automatic 6-spd · 4-Wheel Drive · Regular GasolineEPA configuration record | 16 mpg | 22 mpg | 18 mpg | $3,400 | 497 g/mi |
| Tahoe K1500 4WD5.3L 8-cylinder · Automatic 6-spd · 4-Wheel Drive · Regular GasolineEPA configuration record | 16 mpg | 22 mpg | 18 mpg | $3,400 | 497 g/mi |
| Tahoe C1500 2WD6.2L 8-cylinder · Automatic 10-spd · Rear-Wheel Drive · Premium GasolineEPA configuration record | 14 mpg | 23 mpg | 17 mpg | $4,450 | 517 g/mi |
Annual fuel figures are the EPA snapshot at the source date. The calculator below uses the separately dated fuel-price record and your inputs, so the estimates may differ.
2018 Chevrolet Tahoe annual fuel cost calculator
Start with the combined MPG for 5.3L 8-cylinder, Automatic 6-spd, Rear-Wheel Drive. Replace it with your measured gas mileage and local pump price for a personal budget.
Formula annual miles ÷ MPG × gasoline price
Fuel cost per mile equals gasoline price divided by MPG. Multiply by your annual mileage for a yearly fuel budget. Add maintenance to estimate cost per mile. For a specific journey, budget a road trip and settle passenger shares.
2018 Chevrolet Tahoe recall campaigns
NHTSA returned 3 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM · 20V603000
General Motors LLC (GM) is recalling certain 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.
Remedy: GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM's number for this recall is N202300860.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM · 19V645000
General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum created by the vacuum pump may decrease over time.
Remedy: GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192268490.
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING · 19V761000
General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.
Remedy: GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began December 11, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192261050.
2018 Chevrolet Tahoe NHTSA safety ratings
| Vehicle | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Chevrolet Tahoe SUV RWD | 4/5 | 5/5 | 5/5 | 3/5 |
| 2018 Chevrolet Tahoe SUV 4WD | 4/5 | 5/5 | 5/5 | 3/5 |
Confirm the engine, tire package and service procedure
Match your engine and transmission with the configuration selector. Check the door-jamb tire label for your installed wheel package and cold pressure. A capacity is not a substitute for the filling procedure in the owner's manual; transmission change quantities and total system capacities can describe different jobs.
Fields marked Not published have no compiled value here. They do not mean zero capacity, no maintenance requirement or permission to substitute a part. Request a specification correction with the exact year, engine and manufacturer reference.
Frequently asked questions
- How much oil does a 2018 Chevrolet Tahoe take?
- 5.3L V8: 8 US qt with filter; SAE 0W-20. 6.2L V8: 8 US qt with filter; SAE 0W-20.
- What type of oil does the 2018 Chevrolet Tahoe take?
- SAE 0W-20 (5.3L, 6.2L). Specification: GM dexos1 approved engine oil. Use the grade printed in your owner's manual or on the oil filler cap.
- Does the 2018 Chevrolet Tahoe oil capacity include the filter?
- Yes. These are the owner's manual's with-filter amounts. Check the dipstick after filling.
- What tire size and wheel torque does the 2018 Chevrolet Tahoe use?
- 5.3L V8: tire size not published; 140 ft-lb. 6.2L V8: tire size not published; 140 ft-lb.
- What is the 2018 Chevrolet Tahoe gas mileage?
- EPA combined ratings run from 17 to 19 mpg across 6 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
- Are these real-world MPG figures for the Tahoe?
- These are EPA ratings, not owner-reported mileage. Use your measured MPG in the calculator to estimate your own fuel budget. The configuration table keeps city, highway and combined ratings separate.
- Does the 2018 Chevrolet Tahoe have recalls?
- NHTSA returned 3 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
- Does annual fuel cost include servicing or insurance?
- No. The EPA cost and the calculator cover fuel only. Use the cost-per-mile calculator to add a maintenance allowance. Insurance, depreciation, finance costs and registration are separate ownership expenses.
Compare similar vehicles
Sources and record dates
U.S. EPA FuelEconomy.gov vehicle dataset Accessed 2026-09-05U.S. EIA public gasoline price table Accessed 2026-09-05NHTSA Recalls API Accessed 2026-09-04NHTSA 5-Star Safety Ratings API Accessed 2026-09-052018 Chevrolet Tahoe/Suburban Owner Manual, second printing Accessed 2026-09-302018 Chevrolet Tahoe/Suburban Owner Manual transcription (GMNA-11349385) Accessed 2026-09-05Last updated