Is the 2019 Gmc SIERRA DENALI reliable?

The 2019 Gmc SIERRA DENALI has 46 complaints filed with NHTSA (2.4x the segment average). Our reliability verdict: below-average. Most common issue: BRAKES problems.

What are common problems with the 2019 Gmc SIERRA DENALI?

Top problems: BRAKES (8 complaints, avg repair $500); STEERING (7 complaints, avg repair $500); OTHER (6 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2019 Gmc SIERRA DENALI?

No recalls have been issued for the 2019 Gmc SIERRA DENALI.

How much does it cost to insure a 2019 Gmc SIERRA DENALI?

Estimated US average full-coverage insurance for the 2019 Gmc SIERRA DENALI is approximately $1,607/year (sedan-midsize class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2019 Gmc SIERRA DENALI

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2019 Gmc SIERRA DENALI has 46 owner complaints filed with NHTSA — that's 2.4x the segment average of 19. The most common issue is brakes problems (17% of all complaints), specifically: the vehicle was in for replacement back up camera module and the dealer stated that the fix for the active brake system failure recall was completed. after starting the vehicle in a parking lot, several messages displayed in the driver information center: brake system failure 62 mph top speed, ser.

1 injury

Total Complaints

Recalls Issued

—/5

Safety Stars

2.4x

vs Segment Avg

Known Problems(top 5 of 8)

BRAKES

8 complaints

17%

• THE VEHICLE WAS IN FOR REPLACEMENT BACK UP CAMERA MODULE AND THE DEALER STATED THAT THE FIX FOR THE ACTIVE BRAKE SYSTEM FAILURE RECALL WAS COMPLETED. AFTER STARTING THE VEHICLE IN A PARKING LOT, SEVERAL MESSAGES DISPLAYED IN THE DRIVER INFORMATION CENTER: BRAKE SYSTEM FAILURE 62 MPH TOP SPEED, SER
• I STARTED MY VEHICLE ON JANUARY 7TH 2020 AT ABOUT 4:00PM TO RETURN HOME FROM WORK I RECEIVED MULTIPLE WARNING LIGHTS AND THE CHECK ENGINE LIGHT WENT ON. THE WARNS READ "BREAK SYSTEM FAILURE 62 MPH TOO SPEED", "SERVICE ESC", "STEERING ASSIST IS REDUCED DRIVE WITH CARE", "SERVICE TRAILER BREAK SYSTEM
• BRAKE SYSTEM FAILURE 62 MPH TOP SPEED; BRAKE WARNING LIGHT; CHECK ENGINE LIGHT; ABS LIGHT; TRACTION CONTROL LIGHT; STEERING ASSIST IS REDUCED - DRIVE WITH CARE; SERVICE TRAILER BRAKE SYSTEM.... LIGHTS ON DASH AS NOTED ABOVE. BRAKE PEDAL MAKES A CLICKING; POWER STEERING NON-EXISTENT; BRAKES WILL NOT

Typical onset: 50K miles Est. repair: $500

“THE VEHICLE WAS IN FOR REPLACEMENT BACK UP CAMERA MODULE AND THE DEALER STATED THAT THE FIX FOR THE ACTIVE BRAKE SYSTEM FAILURE RECALL WAS COMPLETED. AFTER STARTING THE VEHICLE IN A PARKING LOT, SEVERAL MESSAGES DISPLAYED IN THE DRIVER INFORMATION CENTER: BRAKE SYSTEM FAILURE 62 MPH TOP SPEED, SER”

— NHTSA complaint filing

When Problems Appear on the 2019 Gmc SIERRA DENALI

Based on 44 owner complaints that included an odometer reading. Median mileage at time of complaint: 5K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

BRAKES

In line with typicalmedian 3K mi · 8 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

STEERING

In line with typicalmedian 2K mi · 7 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

OTHER

In line with typicalmedian 10K mi · 6 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

ELECTRICAL

In line with typicalmedian 6K mi · 5 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

ELECTRONIC SYSTEMS

In line with typicalmedian 2K mi · 5 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Estimated Insurance Cost for 2019 Gmc SIERRA DENALI

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,607

Full coverage / month

$134

Liability only / year

$611

vs US avg

-4%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-midsize)0.96x

× theft risk1.00x

× safety rating1.00x

× vehicle age1.00x

= Full coverage estimate$1607

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Gmc SIERRA DENALI Service Intervals

Oil change

8K mi / 12 mo

Tire rotation

8K mi

Brake fluid

36 months

Transmission fluid

45K mi

Engine coolant

150K mi

Spark plugs

100K mi

Cabin air filter

23K mi

Engine air filter

45K mi

Differential (AWD/4WD)

45K mi

Uses GM Oil Life System. Full-size trucks may have shorter differential and transfer case intervals if used for towing.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Gmc New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

3 yr / 36K mi

Powertrain

5 yr / 60K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

6 yr / 100K mi

Roadside assistance

5 yr / 60K mi

These are the terms for a new Gmc. If you're buying a used 2019 SIERRA DENALI, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Gmc dealer for VIN-specific remaining warranty.

Estimated Repair Costs

BRAKES(~50K mi)

$500

STEERING(~50K mi)

$500

OTHER(~50K mi)

$500

ENGINE(~50K mi)

$500

ELECTRONIC SYSTEMS(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 46 owner complaints for this specific year, here's what to check or ask about:

☐
BRAKES: THE VEHICLE WAS IN FOR REPLACEMENT BACK UP CAMERA MODULE AND THE DEALER STATED THAT THE FIX FOR THE ACTIVE BRAKE SYSTEM FAILURE RECALL WAS COMPLETED. AFTER STARTING THE VEHICLE IN A PARKING LOT, SEVERAL MESSAGES DISPLAYED IN THE DRIVER INFORMATION CENTER: BRAKE SYSTEM FAILURE 62 MPH TOP SPEED, SER
Typically appears around 50K miles. Repair cost ~$500
☐
STEERING: I STARTED MY VEHICLE ON JANUARY 7TH 2020 AT ABOUT 4:00PM TO RETURN HOME FROM WORK I RECEIVED MULTIPLE WARNING LIGHTS AND THE CHECK ENGINE LIGHT WENT ON. THE WARNS READ "BREAK SYSTEM FAILURE 62 MPH TOO SPEED", "SERVICE ESC", "STEERING ASSIST IS REDUCED DRIVE WITH CARE", "SERVICE TRAILER BREAK SYSTEM
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: TL* THE CONTACT OWNS A 2019 GMC SIERRA DENALI. WHILE DRIVING 55 MPH, THE TONNEAU COVER DETACHED FORM THE BED OF THE VEHICLE. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 19E031000 (EQUIPMENT) ON MAY 11, 2019, THE SAME DAY AS THE COVER DETACHED FROM THE VEHICLE. THE VEHICLE WAS NOT
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: WHEN I PURCHASED MY TRUCK ON 08/17/2019. THE WINDOW STICKER SAID MY HEATER BLOCK WAS DISABLE. THE SERVICE DEPT. SAID THERE IS A RECALL ON THIS. I CANNOT GO IN COLD WEATHER UNTIL THIS IS RESOLVED. CAN YOU TELL ME WHEN IT WILL BE RESOLVED.
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)