What weaknesses does the Buick Enclave C1XX have?

	Weakness	Cost
✖	9T65 Transmission Shudder The 9-speed 9T65 automatic suffers from torque converter shudder, especially in gears 2-5. GM launched a pilot program to replace affected transmissions. Symptoms: Shuddering when accelerating from stop, vibrations at 25-40 mph, RPM spikes from 30,000 km Ad 9T65 torque converter Enclave 9T65 transmission fluid	High

NHTSA Owner Complaints

Below average

190 complaints · 2018–2024

Engine

43 ⚠ 1

Brakes

39 ⚠ 4

Powertrain

36 ⚠ 3

Electrical

32 ⚠ 3

Other

30 ⚠ 2

Top Reported Issues

⚠ Engine (43 complaints)

⚠ Brakes (39 complaints)

⚠ Powertrain (36 complaints)

Source: NHTSA (nhtsa.gov) · 2026-04

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Known Problems and Issues

A total of 6 weaknesses have been documented for the Buick Enclave C1XX (2018–2024) — 1 engine-related and 5 vehicle-related. Typical issues affect Gearbox, Electronics, HVAC, Body.

Enclave (LFY, 2018–2024) — Be Careful: Water pump failure (LFY). Power: 310 PS.

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

Frequently Asked Questions

What problems and weaknesses does the Buick Enclave C1XX have? +

The Buick Enclave C1XX has 1 known engine weaknesses and 5 vehicle weaknesses.

What should I look for when buying a used Buick Enclave C1XX? +

faq.watch_a_none

Which engine is recommended? +

Be careful: LFY (3.6L V6 (LFY)). No engine is rated 'Good Choice'. The most fun to drive is the LFY (3.6L V6 (LFY)).

Which Buick Enclave C1XX engine is the most fun? +

The {code} ({displacement}) offers the most driving fun in the Buick Enclave C1XX — rated: "Decent". {description} The LFY engine runs reliably, but the 9T65 transmission shudders in early years. Much improved from 2021 onward.

Is the Buick Enclave C1XX worth buying used? +

The Buick Enclave C1XX requires careful consideration — choosing the right engine variant is crucial.

What horsepower variants are available for the Buick Enclave C1XX? +

The Buick Enclave C1XX is available with engine variants from 314 to 314 hp. Petrol: LFY (3.6L V6 (LFY)).

Last updated: February 2026 · All information without guarantee