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2016 Buick Regal maintenance schedule

The 2016 Regal is part of the Epsilon II generation (2014-2017), sold as a sedan. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2016 Regal needs, and when

Manufacturer rows link to Buick's own schedule, Independent rows to a service shop or parts retailer's published guide. Rows marked Unverified have no source Carlyle could confirm and are shown for completeness.

ServiceIntervalSource
Engine oil and filter (LTG, LUK)

OLM dictated

7,500 mi / 1 yearIndependent
Engine air filter (LTG, LUK)45,000 mi / 4 yearsUnverified
Cabin air filter (LTG, LUK)

Standard interval

22,500 mi / 2 yearsIndependent
Tire rotation (LTG, LUK)

Sync with oil change

7,500 mi / 1 yearIndependent
Brake fluid (LTG, LUK)

Flush

45,000 mi / 3 yearsIndependent
Engine coolant (LTG, LUK)

Dex-Cool

150,000 mi / 5 yearsIndependent
Transmission fluid (LTG, LUK)

Severe interval

45,000 miIndependent
Spark plugs (LTG, LUK)

Turbo engine sensitivity

97,500 miIndependent
Serpentine belt (LTG, LUK)

Inspect 45k

150,000 mi / 10 yearsUnverified
Differential and transfer case fluid (LTG)

AWD models only

45,000 miUnverified
PCV valve (LTG)

Frequent failure in LTG

97,500 miUnverified
12V battery (LTG, LUK)

Check hybrid components

Inspect, replace as neededUnverified

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them.

Fluids and engines

What goes in it

Engine oil
dexos1 Gen 3, 5 qt
Coolant
Dex-Cool (Orange)
Transmission fluid
Dexron VI

Powertrains in this generation

  • 2.0L 4-cyl (LTG), 259 hp, 6-speed automatic, FWD/AWD
  • 2.4L 4-cyl hybrid (LUK), 182 hp, 6-speed automatic, FWD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2016 Regal owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

Head Gasket Failure

high severity

80,000-120,000 mi · $1,815-$2,452 to fix

Overheating, coolant in oil

Source: repairpal.com

Coolant Leak

medium severity

60,000-100,000 mi · $61-$90 to fix

Low coolant, overheating

Source: repairpal.com

PCV Valve failure

medium severity

60,000-100,000 mi

Oil consumption, vacuum leaks

Source: au7o.io

Safety recalls

1 NHTSA recall for the 2016 Buick Regal

From NHTSA's recall database, matched by model and year. Recall repairs are free at Buick dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Steering

NHTSA 16V108000

February 2016

General Motors LLC (GM) is recalling certain model year 2016 Buick Regal Vehicles manufactured August 30, 2015, to February 12, 2016. The affected vehicles have a power-steering assist system that may fail.

Remedy: GM will notify owners, and dealers will replace the electric belt drive rack and pinion steering gear assembly, free of charge. The recall began on March 21, 2016. Owners may contact Buick customer service at 1-800-521-7300. GM's number for this recall is 21510.

Running costs

What maintenance typically costs

A typical year of maintenance
$563

Typical US independent-shop estimates for this generation; they vary by region and condition.

Other Regal model years

Epsilon II (2014-2017)

2014201520162017

Shopping new? The Buick Regal guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-18. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a Regal for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2016 Regal earns before you buy it.

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