Problems owners report
Complaints filed with NHTSA about the 2018 Chevrolet Tahoe, by the system named in each complaint. One complaint can name several.
- Unknown or other27
- Power train20
- Engine20
- Service brakes16
- Electrical system13
- Steering11
- Fuel/propulsion system7
- Forward collision avoidance4
- Service brakes, hydraulic3
- Vehicle speed control3
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 5 injuries and 1 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 62 2018 Tahoe vehicles were involved in crashes on US public roads in which someone died; 14 people died inside them, and 5 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2018 Chevrolet Tahoe failed the safety check 0.71% of the time — 57% less often than the average 2018 passenger car (1.65%). Median odometer at inspection: 66,946 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Crash-test ratings
NHTSA 5-star results for 2 variants; 0 of 2 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2018 Chevrolet Tahoe SUV 4WD | ★★★★☆ | 22.2 % |
| 2018 Chevrolet Tahoe SUV RWD | ★★★★☆ | 22.9 % |
- Electronic stability control
- Standard
- Forward collision warning
- Optional
- Lane departure warning
- Optional
- Best overall rating
- 4 / 5
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 7 variants: combined 13.0–18.0 L/100 km (about 13–18 mpg US), CO₂ 285–325 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Tahoe · Sport utility vehicle: Standard · Regular gasoline | 15.1 | 10.4 | 13.0 |
| Tahoe FFV · Sport utility vehicle: Standard · Regular gasoline | 15.1 | 10.4 | 13.0 |
| Tahoe 4WD · Sport utility vehicle: Standard · Regular gasoline | 15.2 | 10.8 | 13.2 |
| Tahoe 4WD FFV · Sport utility vehicle: Standard · Regular gasoline | 15.2 | 10.8 | 13.2 |
| Tahoe 4WD · Sport utility vehicle: Standard · Premium gasoline | 16.4 | 10.7 | 13.8 |
| Tahoe FFV · Sport utility vehicle: Standard · E85 ethanol | 19.8 | 13.9 | 17.2 |
| Tahoe 4WD FFV · Sport utility vehicle: Standard · E85 ethanol | 20.8 | 14.5 | 18.0 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
3 Transport Canada recalls for the 2018 Chevrolet Tahoe.
| 2019533 24 Oct 2019 | Brakes Issue: On certain vehicles, there may be an error in the electronic-brake control module software. This could cause the driveline-protection system to activat… |
| 2019420 21 Aug 2019 | Other Issue: This recall is for aftermarket replacement rear window glass produced by Vitro Automotriz. Certain rear window glass may not have been properly tempere… |
| 2019324 28 Jun 2019 | Brakes Issue: On certain vehicles, there could be a reduction in power brake assist due to a decrease in output from the vacuum pump. This could cause a hard brake p… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
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.
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.
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.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Chevrolet told its dealers about the 2018 Chevrolet Tahoe: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011989 | This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid. |
| 11011900 | This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. |
| 11011805 | This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when repairing wiring harnesses. |
| 11011782 | This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel. |
| 11011709 | This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| 11011444 | This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM technical assistance case using the dealer case management tool. |
| 11011420 | This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC. |
| 11011408 | This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles. |
| 11011406 | This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert". |
| 11011205 | This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules. |
| 11011119 | This Preliminary information communicates to dealers GM is working on a solution for outdated Apps |
| 11010576 | This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. |
| 11010566 | This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). |
| 11010545 | This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S). |
| 11010495 | This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S. Only). |
| 11010493 | This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. |
| 11010491 | This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. |
| 11010490 | This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 11010488 | This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. |
| 11010421 | This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. |
| 11009764 | This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. |
| 11009756 | This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management. |
| 11009532 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| 11009531 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| 11009170 | This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. |
NHTSA manufacturer communications (public domain)