BuickEnclave2019Overview/buick/enclave/2019/base/

2019 Buick Enclave

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2019 Enclave.

Body SUVTransmission Automatic 9-spd

The 2019 Buick Enclave is a midsize SUV built on Buick’s contemporary platform and powered by a drivetrain that relies on a 9‑speed automatic transmission and a 6.0‑quart oil capacity paired with 5W‑30 viscosity fluid. Its EPA ratings of 17 mpg city, 25 mpg highway and a combined 20 mpg reflect the balance of efficiency and utility expected of the class. Reliability data show the model recorded 39 owner complaints, with power‑train issues topping the list and a single recall, positioning the 2019 year well below the historic peak of 536 complaints in 2008 and above the current low of one complaint in 2026. This placement suggests the 2019 Enclave sits in a period of steady improvement within the model’s overall reliability trajectory.

Model year202620252024202320222021202020192018

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity6.0 qtOEM · verified
Engine oil type5W-30OEM · verified
Lug nut torque140 ft-lbsOEM · verified
EPA fuel economy17/25/20 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 94R AGM VRLA battery is required. Battery is vented to the outside of the vehicle. · 730 CCA battery, OE oil filter 12731742. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 94R AGM VRLA battery is required. Battery is vented to the outside of the vehicle. · 730 CCAOEM · verified
Tire size255/65R18 111TOEM · verified
Wheel / rim7.5; Optional: 8 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter12731742
Engine air filter23321606
Spark plug12681660
Battery88864542
Front wiper blades84580856 alt 84580859
Serpentine belt12647764
Thermostat12681133
Cabin air filter13508023

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 9-spd

Dimensions & weight NHTSA vPIC

Overall length204.3 in
Overall width78.7 in
Overall height70.1 in
Wheelbase120.9 in
Curb weight4614 lb
Track (front / rear)67.3 / 66.9 in
Weight distribution (front / rear)58/42

Ratings & economy EPA / vPIC

EPA city / highway / combined17 / 25 / 20 mpg
DrivetrainAll-Wheel Drive
Recommended fuelRegular Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Enclave of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

6.5–8.5 sec0–60 mph (tested)quickest 6.50 sec — 2022 Avenir
YearTrim / engine0–60¼ mileHPDrivetrain
2018Avenir 3.6L V66.60 sec15.20 sec310 hpAWD
2018Avenir 3.6L V67.00 sec15.40 sec310 hpAWD
2018Avenir 3.6L V67.20 sec15.60 sec310 hpAWD
2020Essence ST 3.6L V66.60 sec15.10 sec310 hpAWD
2016Premium 3.6L V67.90 sec16.30 sec288 hpAWD
2022Avenir 3.6L V66.50 sec15.00 sec310 hpAWD
2013Premium 3.6L V68.50 sec16.70 sec288 hpAWD
2025Avenir 2.5L Turbo I-46.80 sec15.10 sec328 hpFWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 6.0 qt of 5W-30 engine oil, DOT 3 brake fluid. Torque lug nuts to 140.0 ft-lbs. The firing order is 1-2-3-4-5-6. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Automatic Transmission FluidDEXRON(R)-VI GM P/N 89020661
Automatic Transmission Fluid Capacity5.3-6.3
Brake FluidDOT 3
Brake Fluid Capacity2.11 pt
Engine Oil5W-30
Engine Oil Capacity6.0 qt
Fuel Tank Capacity19.4 gallons
Fuel Tank Capacity21.7 gallons

Engine torques

Crankshaft Position (CKP) Sensor Bolt(s)7.4 ft-lbs
Camshaft Position (CMP) Sensor Bolt(s)7.4 ft-lbs
Camshaft Bearing/Carrier Cap Bolts or Studs43.0 ft-lbs
Cylinder Head InstructionsUse New Cylinder Head Bolts.
Engine Coolant Temperature (ECT) Sensor Bolt(s)16.0 ft-lbs
Oxygen (O2S) Sensor Bolt(s)31.0 ft-lbs
Knock Sense (KS) Bolt(s)18.0 ft-lbs
Engine Flywheel Bolts49 ft-lbs

Chassis torques

Differential Fill Plug29.0 ft-lbs
Differential drain Plug29.0 ft-lbs
Driveshaft Flange to Transmission43.0 bracket bolt ft-lbs
Lug Nuts140 ft-lbs
Lug Nuts140.0 ft-lbs
Transfer Case Fill Plug16.0 ft-lbs
Transfer Case Drain Plug16.0 ft-lbs
Automatic Transmission Drain Plug16.0 ft-lbs

Ignition

Cylinder Firing Order1-2-3-4-5-6
Spark Plug ManufacturerAC Delco
Spark Plug Gap.037-.043 in
Spark Plug Torque13 ft-lbs
Spark Plug ManufacturerAC Delco
Spark Plug Gap0.0375–0.0433 in
Spark Plug Torque13.0 ft-lbs

Battery & A/C

Oil GroupPAG
Oil Type46
Oil Capacity7.80 oz
Standard BCI Cranking Performance730 cca

Service checks

Key ON Engine OFF (KOEO)50-94
Fuel Pump Pressure Minimum50.0 psi
Fuel Pump Pressure Maximum100.0 psi
Key ON Engine OFF (KOEO)50.0-100.0
Engine CompressionCranking Speed
Engine Oil Pressure10
Intake Valve LashHydraulic in
Exhaust Valve LashHydraulic in

Brakes

Brake Caliper Bolt to Carrier TorqueFront: 53; Rear: 30
ABS Sensor TorqueFront: 6.6; Rear: 6.6
Minimum Pad ThicknessFront: 0.078; Rear: 0.078 in
Minimum Shoe Thickness0.078 in
Vented Rotor Minimum Thickness for ReplacementFront: 1.063; Rear: 0.827 /; Front: 1.063; Rear: .827
Variation from Parallelism Thickness VariationFront: .0001; Rear: .0002 /; Front: .001; Rear: .002
Maximum Rotor RunoutFront: 0.002; Rear: 0.002 /
Vented Rotor Minimum Thickness after RefinishFront: 1.102; Rear: .866

Multi-step torque procedures OEM · verified

Steering Track (Rod End) Bolts — tightening sequence 1 stages
190°-100°
Front Wheel Hub — tightening sequence 1 stages
174.0 ft. lbs. Step 2: 15-3074 ft. lbs
Rear Wheel Hub — tightening sequence 1 stages
174.0 ft. lbs. Step 2: 15-3074 ft. lbs
Connecting Rod (Large End) Bearings — tightening sequence 2 stages
118.0 ft. lbs.18 ft. lbs
2110 degrees110 degrees
Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
174.0 ft. lbs. Step 2: 15074 ft. lbs
Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
174.0 ft. lbs., Step 2: 150 degrees.74 ft. lbs
Cylinder Head — tightening sequence 1 stages
1M11 Bolts22 ft. lbs
Cylinder Head — tightening sequence 4 stages

Prep Do not re-use old bolts

1M11 bolts22 ft. lbs
2M11 bolts150 degrees
3M8 bolts11 ft. lbs
4M8 bolts75 degrees
Flex or Driveplate Bolts — tightening sequence 1 stages
122.0 ft. lbs. Step 2: 4522 ft. lbs
Engine Flywheel Bolts — tightening sequence 2 stages
122.0 ft. lbs.22 ft. lbs
245 degrees45 degrees
Engine Flywheel Bolts — tightening sequence 1 stages
122 ft. lbs., Step 2: 45°.22 ft. lbs
Intake Manifold to Engine Bolts — tightening sequence 1 stages
118.0
Main Bearings — tightening sequence 2 stages

Prep Inner Bolts:

115.0 ft. lbs.15 ft. lbs
280 degrees; Outer Bolts:80 degrees
111.0 ft. lbs.11 ft. lbs
2110 degrees; Side Bolts110 degrees
122.0 ft. lbs.22 ft. lbs
260 degrees60 degrees

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs every 97,500 mi; coolant at 150,000 mi. The big-interval services (at 150,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 7,500 miAccelerator Pedal (inspect) · Body Latches, Locks & Hinges (lubricate) · Brake Shift Interlock Solenoid (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Engine Oil (inspect fluid level)
Every 15,000 miWindshield Wiper Blade (replace)
Every 22,500 miCabin Air Filter (replace)
Every 45,000 miEngine Air Filter Element (replace) · Fuel Evaporative Emission Control System (inspect)
Every 75,000 miHood Hinge (inspect)
Every 97,500 miSpark Plug Wires (inspect) · Spark Plugs (replace)
At 150,000 miAccessory Drive Belt (inspect) · Engine Coolant System (drain, flush & refill)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2019 Buick Enclave sits within a clear downward trend in complaints and recalls that began with the second-generation redesign in 2018. After the first generation’s peak of 536 complaints and 6 recalls in 2008, the 2019 model recorded just 39 complaints and a single recall, a sharp contrast to the 64 complaints and zero recalls of 2018 and the 6 recalls that would appear in 2020. This places 2019 at a low point for reported issues within the generation, with no open investigations and a moderate 766 technical service bulletins. While the data does not specify root causes, the 2019 year’s minimal recall activity and low complaint volume suggest it avoided the early teething problems of the 2018 launch and the later recall spike of 2020. For a used purchase, the 2019 Enclave stands out as a relatively trouble-free model year within this generation’s arc.

1
Open recalls
NHTSA campaigns
766
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
39
Owner complaints
2 involved a crash · 1 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★
Side★★★★★
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 39 complaints on record, top 8 components.

Power Train8
Unknown Or Other4
Engine3
Power Train,Electrical System2
Electrical System,Unknown Or Other2
Seat Belts2
Steering,Electrical System,Engine1
Electrical System,Engine,Fuel/Propulsion System1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

20V668000Power Train:Automatic TransmissionReported 29/10/2020

General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave… Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15…

Technical service bulletins NHTSA · verified

Showing 5 of 766 bulletins on record with NHTSA.

BulletinDateComponentSummary
PIT3271Q2026-04-01Unknown Or OtherThis preliminary information communicates information about how to determine if a wheel…
PIP61042026-03-09Unknown Or OtherThis Preliminary information communicates the steps on how to save a GDS2 Session Log and…
PIP4902V2026-03-09Unknown Or OtherThis preliminary information advises a dealer on how to email GDS2 session logs into…
PIT6425D2026-03-02Unknown Or OtherThis Preliminary information communicates to the field on how to diagnosis a GPS issue…
PIT6425C2026-01-16Unknown Or OtherThis Preliminary information communicates to the field on how to diagnosis a GPS issue…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Enclave. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 2019 Enclave take?

6.0 qt of 5W-30 meeting GM Dexos 2 specification or equivalent., per the factory manual.

Does the 2019 Enclave have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Enclave get?

EPA figures are 17 city / 25 highway / 20 combined mpg.