2018 Chevrolet Suburban: problems, recalls and what it’s worth
One known issue worth checking: 8-speed automatic (8L90/8L45) — torque-converter shudder & harsh shifts. 4 recall campaigns to confirm with a dealer.
A rumble-strip shudder at light throttle 30–50 mph, clunky 1–2 or 2–3 shifts. Ask whether the fix-flush or a valve body / trans replacement was done.
Known problems on the 2018 Chevrolet Suburban
8-speed automatic (8L90/8L45) — torque-converter shudder & harsh shifts $300–$3,500 to fix
If equipped with the 8-speed automatic (many of these years still used a 6-speed), it shudders (a 'driving over rumble strips' feel around 30–50 mph) and can shift harshly. GM issued repeated fluid-flush and valve-body TSBs and faced a class action; some got a transmission replacement.
Check for: A rumble-strip shudder at light throttle 30–50 mph, clunky 1–2 or 2–3 shifts. Ask whether the fix-flush or a valve body / trans replacement was done.
Basis: GM 8-speed TSBs; class-action litigation; NHTSA complaints
Known patterns for this year and model, not findings about one car. A well-kept example may already have had the fix. Costs are rough US shop prices.
2018 Chevrolet Suburban recalls
NHTSA lists 4 recall campaigns for the 2018 Chevrolet Suburban. Repairs are free at a dealer for the brand, and a dealer can confirm by VIN which were already done.
- Transmission & drivetrain
Front or rear wheel lockup increases the risk of a crash.
Details 26V289000
General Motors, LLC (GM) is recalling certain 2026 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL vehicles with four-wheel (4WD) or all-wheel drive (AWD), and certain 2015-2020 Suburban, Escalade, Escalade ESV, Yukon, Yukon XL, and Tahoe vehicles. A component missing from the drivetrain transfer case may cause the front and/or rear wheels to lock up without warning to the driver.
Fix: Owners are advised not to drive their vehicle until the remedy is completed. Dealers will inspect and, if necessary, replace the transfer case assembly, free of charge. Owner notification letters were mailed May 18, 2026. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. GM's number for this recall is N262557620. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 7, 2026.
- Brakes
As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash.
Details 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.
Fix: 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.
- Brakes
Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the vehicle to pull to one side unexpectedly, increasing the risk…
Details 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.
Fix: 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.
- Seat belts
If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.
Details 18V673000
General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles. Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from being properly secured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Fix: GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge. The recall began November 7, 2018. Owners may contact Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 18315.
2018 Chevrolet Suburban safety investigations and free repairs
No open safety investigations.
Free repairs to ask about (warranty extensions):
- Brakes: In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC…
- Seats: Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part.
- Steering: Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit.
A dealer for the brand can check these by VIN.
Source: NHTSA, Sep 24, 2026.
What a 2018 Chevrolet Suburban is worth
Rough trade-in values — roughly what a dealer would pay — by mileage, from published trade-in guides. Private sales and dealer prices run higher. For the exact car, add its VIN.
| Mileage | Trade-in (rough) |
|---|---|
| 40,000 mi | $19,979 |
| 80,000 mi | $18,565 |
| 120,000 mi | $15,000 |
From new to now
What each Chevrolet Suburban model year trades in for today at typical mileage.
Typical mileage = 12,000 miles a year; values between two published mileages are estimated in a straight line.
Other Chevrolet Suburban years
2010 2011 2012 2013 2014 2015 2016 2017 2019 2020 2021 2022 2023 2024
Printable inspection checklist · Out-the-door price calculator