Is the 2014 Gmc SIERRA DENALI reliable?

The 2014 Gmc SIERRA DENALI has 19 complaints filed with NHTSA (1.0x the segment average). Our reliability verdict: above-average. Most common issue: OTHER problems.

What are common problems with the 2014 Gmc SIERRA DENALI?

Top problems: OTHER (4 complaints, avg repair $500); BRAKES (4 complaints, avg repair $500); AIR BAGS (2 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2014 Gmc SIERRA DENALI?

No recalls have been issued for the 2014 Gmc SIERRA DENALI.

How much does it cost to insure a 2014 Gmc SIERRA DENALI?

Estimated US average full-coverage insurance for the 2014 Gmc SIERRA DENALI is approximately $1,478/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.

2014 Gmc SIERRA DENALI

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2014 Gmc SIERRA DENALI has 19 owner complaints filed with NHTSA — that's 1.0x the segment average of 19. The most common issue is other problems (21% of all complaints), specifically: my truck is shaking at speeds 65+mph. i recently had my front end alligned and tires rebalanced still the same shaking is occuring. it is to the point that it is uncomfortable to drive and dangerous..

Total Complaints

Recalls Issued

—/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 8)

OTHER

4 complaints

21%

• MY TRUCK IS SHAKING AT SPEEDS 65+MPH. I RECENTLY HAD MY FRONT END ALLIGNED AND TIRES REBALANCED STILL THE SAME SHAKING IS OCCURING. IT IS TO THE POINT THAT IT IS UNCOMFORTABLE TO DRIVE AND DANGEROUS.
• DASH CRACKED AT LESS THAN 26000 MILES 4 YEARS OLD
• AC CONDENSER SYSTEM FAILURE, LEAKS; MANY GM OWNERS ARE REPORTING THIS SAME EXACT ISSUE.

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

“MY TRUCK IS SHAKING AT SPEEDS 65+MPH. I RECENTLY HAD MY FRONT END ALLIGNED AND TIRES REBALANCED STILL THE SAME SHAKING IS OCCURING. IT IS TO THE POINT THAT IT IS UNCOMFORTABLE TO DRIVE AND DANGEROUS.”

— NHTSA complaint filing

When Problems Appear on the 2014 Gmc SIERRA DENALI

Based on 18 owner complaints that included an odometer reading. Median mileage at time of complaint: 62K miles. Most complaints cluster in the 60-100K miles range.

Overall complaint distribution by mileage

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 2014 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

$1,478

Full coverage / month

$123

Liability only / year

$611

vs US avg

-12%

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 age0.92x

= Full coverage estimate$1478

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 2014 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

OTHER(~50K mi)

$500

BRAKES(~50K mi)

$500

AIR BAGS(~50K mi)

$500

BODY/STRUCTURE(~50K mi)

$500

WHEELS(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 19 owner complaints for this specific year, here's what to check or ask about:

☐
OTHER: MY TRUCK IS SHAKING AT SPEEDS 65+MPH. I RECENTLY HAD MY FRONT END ALLIGNED AND TIRES REBALANCED STILL THE SAME SHAKING IS OCCURING. IT IS TO THE POINT THAT IT IS UNCOMFORTABLE TO DRIVE AND DANGEROUS.
Typically appears around 50K miles. Repair cost ~$500
☐
BRAKES: VACUUM PUMP FAILURE WAS NOTICED WHEN PARALLEL PARKING. AFTER HITTING BRAKE SEVERAL TIMES THEY STOPPED WORKING. TOOK EXCESSIVE AMOUNT OF FORCE TO STOP VEHICLE.
Typically appears around 50K miles. Repair cost ~$500
☐
AIR BAGS: WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WI
Typically appears around 50K miles. Repair cost ~$500
☐
BODY/STRUCTURE: WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WI
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)