What weaknesses does the Chevrolet Suburban T1XX have?

	Weakness	Cost
!	10-Speed Shudder Same 10L80 issue as Silverado T1XX. Recall 26V085. Symptoms: Shudder, harsh shifts, rear wheels momentarily lock from 50,000 km Ad 24282496 GM 10L80 valve body Tahoe recall 26V085 GM 10-speed	High

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Known Problems and Issues

A total of 14 weaknesses have been documented for the Chevrolet Suburban T1XX (2021–2025) — 10 engine-related and 4 vehicle-related. One problem engine: L84 (5.3L V8 EcoTec3). Typical issues affect Gearbox, Other, Body, Electronics.

Suburban (LM2, 2021–2025) — Be Careful: Engine Cranks Without Starting (LM2 2020-2022), Rear Main Seal Leak, DEF System Failure. Power: 277 PS.

Suburban (L84, 2021–2025) — Stay Away!: AFM/DFM Lifter Failure — Class Action, Oil Consumption — Piston Rings (Class Action), Timing Chain Wear. Power: 355 PS.

Suburban (L87, 2021–2025) — Be Careful: Recall: Metal Shavings in Engine — 597,000 Vehicles, AFM/DFM Lifter Failure, Oil Consumption — Piston Rings (2019-2020 and older L87). Power: 420 PS.

What to watch out for with the Chevrolet Suburban? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Chevrolet Suburban T1XX have? +

The Chevrolet Suburban T1XX has 10 known engine weaknesses and 4 vehicle weaknesses.

What should I look for when buying a used Chevrolet Suburban T1XX? +

faq.watch_a_avoid

Which engine is recommended? +

Be careful: L87 (6.2L V8 EcoTec3), LM2 (3.0L Duramax I6 Diesel). No engine is rated 'Good Choice'. The most fun to drive is the L87 (6.2L V8 EcoTec3). Problem engine: L84 (5.3L V8 EcoTec3) — stay away!

Which Chevrolet Suburban T1XX engine is the most fun? +

The {code} ({displacement}) offers the most driving fun in the Chevrolet Suburban T1XX — rated: "Decent". {description} 420 hp with DFM and the L87 metal debris recall (2021-2024). Get a clean one: the fastest Suburban. NHTSA investigating post-recall failures.

Is the Chevrolet Suburban T1XX worth buying used? +

Caution is advised with the Chevrolet Suburban T1XX — 1 of 3 engine variants are rated 'Stay Away!'. The engine choice is crucial.

What horsepower variants are available for the Chevrolet Suburban T1XX? +

The Chevrolet Suburban T1XX is available with engine variants from 282 to 426 hp. Petrol: L84 (5.3L V8 EcoTec3), L87 (6.2L V8 EcoTec3). Diesel: LM2 (3.0L Duramax I6 Diesel).

Last updated: February 2026 · All information without guarantee