Last updated: 2026-05-15

GMC vs KIA: Reliability Compared

Comparing GMC and KIA on reliability? This page compares their scores, NHTSA recall history, owner-reported complaints, and estimated annual repair costs across every model we track.

KIA currently leads with an average score of 72/100 compared to 69/100. Scroll down for the full breakdown.

Is GMC More Reliable Than KIA?

MetricGMCKIA
Avg Reliability Score69/10072/100
Models Tracked59
Avg Recalls per Model2917
Avg Complaints per Model1162709
Avg Annual Repair Cost$647/yr$492/yr

GMC Models

5 models ranked by reliability

Excellent Good Mixed Risky

KIA Models

9 models ranked by reliability

K573
EV657
Excellent Good Mixed Risky

GMC vs KIA: The Verdict

KIA holds a modest reliability advantage over GMC — enough to notice, not enough to be the only factor. The overall picture: GMC scores 69/100 across 5 models, while KIA comes in at 72/100 across 9 models — all data-driven, no bias.

On the cost front, KIA is cheaper to maintain at $492/year versus $647/year. Over 5 years, that's roughly $775 in savings. The repair cost gap might seem small year-to-year, but over a typical 5-year ownership period it compounds into meaningful savings for KIA owners.

Where GMC and KIA Differ Most

Our reliability score is built from four weighted components. Here's how each make performs in each area:

ComponentWeightGMCKIA
Complaint Severity

Owner complaints weighted by component severity

35%
61/100Good
63/100Good
Repair Costs

Annual maintenance and repair expenses

30%
66/100Good
74/100Good
Recall Impact

Safety recalls weighted by severity (park-it, park-outside)

20%
78/100Good
76/100Good
Issue Diversity

How many different systems have reported problems

15%
82/100Excellent
83/100Excellent

Dig into the components and repair costs stands out — KIA outscores by 8 points there, which carries significant weight in the final number.

GMC vs KIA: Strengths and Weaknesses

GMC

Strengths

  • Above-average reliability (69/100 average)
  • Minimal recall impact — fewer safety-critical recalls
  • Focused issue profile — problems concentrated in fewer areas
  • Reasonable maintenance costs ($647/year avg)
  • Reliability trending upward in recent model years
  • 5 of 5 models rated Good or Excellent
  • Below-average repair frequency

Weaknesses

  • 34 fire-related complaints across lineup
  • Above-average repair severity when issues occur

KIA

Strengths

  • Strong overall reliability (72/100 average)
  • Minimal recall impact — fewer safety-critical recalls
  • Focused issue profile — problems concentrated in fewer areas
  • Very affordable maintenance ($492/year avg)
  • 8 of 9 models rated Good or Excellent
  • Below-average repair frequency

Weaknesses

  • 137 fire-related complaints across lineup
  • Above-average repair severity when issues occur

How Reliable Are GMC and KIA Lineups?

Distribution of model reliability ratings across each make's lineup:

GMC

Excellent (80+)0 models
Good (60–79)5 models
Mixed (40–59)0 models
Poor (0–39)0 models

KIA

Excellent (80+)2 models
Good (60–79)6 models
Mixed (40–59)1 model
Poor (0–39)0 models

Which Make Is Cheaper to Maintain: GMC or KIA?

Based on independent repair cost data, KIA is cheaper to maintain at an average of $492/year compared to $647/year for GMC. That's a difference of $155/year, which adds up significantly over the life of the vehicle.

GMC Repair Cost Range

$548 – $747/yr

Average: $647/yr

KIA Repair Cost Range

$437 – $573/yr

Average: $492/yr

GMC vs KIA Reliability by Vehicle Type

How the two makes compare within each vehicle category they both compete in:

CategoryGMCKIAWinner
SUVs(3 vs 6 models)69/10071/100KIA

KIA wins 1 out of 1 shared categories.

Common Problems: GMC vs KIA

Top complaint categories from NHTSA owner reports, showing what drivers report most frequently for each make:

ComponentGMCKIA
ENGINE27%1,44319%1,098
POWER TRAIN22%1,16314%816
ELECTRICAL SYSTEM14%74219%1,052
UNKNOWN OR OTHER7%37216%914
SERVICE BRAKES8%4103%162
STEERING5%2874%222
EXTERIOR LIGHTING3%1694%225
ENGINE AND ENGINE COOLING5%2452%114
VISIBILITY/WIPER0%236%314
STRUCTURE3%1533%179

Percentage of total complaints. Raw complaint count shown below. Based on NHTSA owner reports across all tracked model years.

GMC vs KIA Complaint Severity: Crashes, Fires, and Injuries

Across all tracked models, GMC owners reported 128 crash-related, 34 fire-related, and 138 injury-related complaints to NHTSA. KIA owners reported 293 crash-related, 137 fire-related, and 295 injury-related complaints. GMC has fewer severe incident reports overall. These counts reflect owner-reported incidents and don't establish causation — but they're a useful signal for comparing safety profiles.

GMC

128

Crash reports

34

Fire reports

138

Injury reports

KIA

293

Crash reports

137

Fire reports

295

Injury reports

Every GMC and KIA Model Ranked

All tracked models ranked by average reliability score. Click any model for detailed year-by-year data.

GMC vs KIA Reliability Trend by Year

Average reliability score for each model year, showing how quality has trended over time:

GMC's reliability is improving — recent model years average 76/100, up from earlier years. KIA's reliability has been stable.

Model YearGMCKIAEdge
202576/100(5)79/100(7)KIA
202475/100(5)75/100(7)Tie
202367/100(5)69/100(8)KIA
202267/100(5)70/100(8)KIA
202166/100(5)73/100(7)KIA
202068/100(5)71/100(6)KIA
201969/100(4)72/100(5)KIA
201868/100(5)71/100(5)KIA

Number in parentheses = models tracked for that year. Scores are averages across all tracked models.

GMC vs KIA: Head-to-Head Model Matchups

These are direct competitor models between GMC and KIA. Click any matchup for a detailed model-vs-model reliability comparison:

The Bottom Line: GMC or KIA?

The data favors KIA, but remember: the best model from the "losing" make often beats the worst model from the "winning" one.

If you want the single most reliable option: the KIA Carnival leads both lineups with a score of 83/100.

Budget-conscious buyers should note that KIA costs less to maintain — $492/year vs $647/year. Over a typical 5-year ownership period, that adds up to roughly $775 in savings.

All scores are based on NHTSA recall and complaint data combined with independent repair cost databases. Check individual model pages for year-specific reliability data before making a final decision.

GMC vs KIA: Common Questions

Is GMC more reliable than KIA?
Based on our data, KIA is more reliable overall with an average reliability score of 72/100 compared to 69/100. The difference is modest, so both makes are reasonable choices.
Which is cheaper to maintain, GMC or KIA?
Based on independent repair cost estimates, KIA is cheaper to maintain at an average of $492/year compared to $647/year for GMC.
Which make has more recalls, GMC or KIA?
On a per-model average, GMC has more recalls (~29 per model) compared to KIA (~17 per model). More recalls don't always mean worse reliability — many are minor or preventative.
What are the most reliable models from GMC and KIA?
The most reliable GMC model is the Canyon (avg score: 72/100), while the most reliable KIA model is the Carnival (avg score: 83/100).
What are the least reliable models from GMC and KIA?
The least reliable GMC model is the Yukon (avg score: 67/100), while the least reliable KIA model is the EV6 (avg score: 57/100). Check individual model pages for year-specific data before ruling these out.
What are the most common problems with GMC and KIA vehicles?
The most frequently reported issue for GMC is engine (27% of complaints), while for KIA it's engine (19% of complaints). These are based on NHTSA owner complaint data across all tracked models.
Which make has more reliable models overall, GMC or KIA?
KIA has a higher proportion of models scoring "good" or "excellent." GMC has 0 excellent and 5 good-rated models out of 5, while KIA has 2 excellent and 6 good-rated models out of 9.
How many GMC and KIA models does Auto Reliability Index track?
We track 5 GMC models across 8 model years and 9 KIA models across 8 model years. Scores are based on NHTSA recalls, owner complaints, and independent repair cost data.
Which make has fewer owner complaints, GMC or KIA?
On a per-model average, KIA has fewer owner complaints (~709 per model) compared to GMC (~1162 per model). Note that models with higher sales naturally generate more complaints.
Are GMC and KIA getting more or less reliable?
Based on recent model year data, GMC reliability is improving while KIA reliability is stable. We compare average scores across the most recent 3 model years to determine the trend direction.
Which is better for a first-time car buyer, GMC or KIA?
For first-time buyers prioritizing reliability, KIA has a slight edge with its higher average score. However, specific model choice matters more than make — check individual model pages for the best options in your budget and vehicle type.
Which make has fewer safety-related complaints, GMC or KIA?
GMC has fewer owner-reported crashes, fires, and injuries in our database. GMC has 128 crash reports, 34 fire reports, and 138 injury reports. KIA has 293 crash, 137 fire, and 295 injury reports. Note that complaint volume correlates with sales volume.

Comparing GMC vs KIA? Run a VIN check on any specific vehicle before you buy — uncover hidden accidents, title issues, and open recalls.

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How We Calculate Reliability Scores

Auto Reliability Index scores are calculated on a 0–100 scale using a weighted formula that combines multiple public data sources. Each factor is weighted based on its predictive value for real-world ownership experience.

Key Ranking Factors

1

Complaint Severity

NHTSA owner complaints weighted by component category (e.g., powertrain, safety systems, electronics, cosmetic) — safety-critical issues carry more weight than cosmetic ones. Adjusted for sales volume so high-volume models aren't unfairly penalized.

2

Repair Costs

Independent reliability ratings based on repair frequency, average repair costs, and severity of typical repairs for each model.

3

Recall Impact

Number of NHTSA recalls weighted by severity. “Stop driving” and fire-risk recalls are penalized more heavily than minor software or labeling recalls.

4

Issue Diversity

Measures how many major vehicle systems (engine, transmission, electrical, braking, etc.) have recorded complaints. A vehicle with issues spread across many systems may indicate systemic quality issues.

Scores are grouped into four tiers:

  • 80–100: Excellent— Top-tier reliability, minimal issues
  • 60–79: Good— Reliable with some minor concerns
  • 40–59: Mixed— Notable issues, research before buying
  • 0–39: Risky— Significant problems, proceed with caution

Data is sourced from NHTSA recall records, owner complaint filings, and independent repair databases. Scores are recalculated as new data becomes available. While the weighting model is proprietary, all underlying data sources are public and traceable.