Mercedes-Benz Gle 450 vs Audi Q7

Head-to-head reliability comparison from 1,462real NHTSA consumer complaints. Year-by-year breakdown, shared problems, crash & fire rates.

Mercedes-Benz Gle 450 wins·30(1 tied)

Which is more reliable, Mercedes-Benz Gle 450 or Audi Q7?

Verdict from 1,462 NHTSA complaints

Mercedes-Benz Gle 450 wins this comparison overall. Mercedes-Benz Gle 450 comes out ahead on 3 of 4 reliability metrics — including a 82% lower complaint rate.

Head-to-Head Metrics

Lower is better on every metric. Bar length = relative magnitude. ✓ = winner.

Complaints per 1K vehiclesLower is better
Mercedes-Benz Gle 45020.1/1K
Audi Q736.5/1K

Mercedes-Benz Gle 450 wins by 82%

Crash-involvement rateLower is better
Mercedes-Benz Gle 4503.5%
Audi Q74.1%

Mercedes-Benz Gle 450 wins by 17%

Fire-involvement rateLower is better
Mercedes-Benz Gle 4500.00%
Audi Q70.70%

Within 5% — statistical tie

Overall severity scoreLower is better
Mercedes-Benz Gle 450239.1
Audi Q7707.6

Mercedes-Benz Gle 450 wins by 196%

Total complaints
Gle 450115
Q71,347
US units sold
Gle 450
Q7
Injuries
Gle 4501
Q7105
Fatalities
Gle 450
Q7

NHTSA Crash Test Ratings

Official NCAP star ratings — government crash test data. Most recent rated model year.

Top Safety Pick

Mercedes-Benz Gle 450

2024 model year

Not yet rated by NHTSA NCAP.

Audi Q7

2025 model year
OverallEXCELLENT
5 / 5
Frontal — Driver
Frontal — Passenger
Side — Driver
Side — Passenger
Side Pole
Rollover

Source: NHTSA New Car Assessment Program (NCAP). Lower star = higher injury risk in that crash type.

Complaint Volume — Year by Year

Sales-volume data not available for both models — showing raw complaint counts. Higher-volume models will appear higher even when reliability is comparable.

Mercedes-Benz Gle 450
Audi Q7

Most Reported Problems

Top component complaints for each model. Identical bar lengths = both have the same recurring issue.

Mercedes-Benz Gle 450
Audi Q7
Electrical Faults27186Engine Problems25187Unintended Acceleration1033Transmission / Drivetrain748Forward Collision Avoidance: Automatic Emergency Braking30Headlight/Taillight Failures2157Fuel System3130Suspension Failures063

Year-by-Year Head-to-Head

Lower is better. Click either model column to see that year's full breakdown.

YearMercedes-Benz Gle 450Audi Q7Better
20204628Q7
202127104Gle 450
20222019Q7
20231226Gle 450

Frequently Asked Questions

Mercedes-Benz Gle 450 vs Audi Q7 — the most common buyer questions, answered from NHTSA data.

Which is more reliable, the Mercedes-Benz Gle 450 or the Audi Q7?

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Mercedes-Benz Gle 450 wins this comparison overall. Mercedes-Benz Gle 450 comes out ahead on 3 of 4 reliability metrics — including a 82% lower complaint rate. Source: NHTSA Office of Defects Investigation via VinItel.

Should I buy a Mercedes-Benz Gle 450 or a Audi Q7?

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On reliability data alone, the Mercedes-Benz Gle 450 is the safer bet — but the actual condition of the specific car matters far more than the model average. Check the VIN of any vehicle you're considering for accident history, title issues, and odometer rollbacks.

What problems do the Mercedes-Benz Gle 450 and Audi Q7 share?

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Top complaints for the Mercedes-Benz Gle 450: Electrical Faults, Engine Problems, Unintended Acceleration. Top complaints for the Audi Q7: Engine Problems, Electrical Faults, Headlight/Taillight Failures. Source: NHTSA via VinItel.

Which has fewer NHTSA complaints, the Mercedes-Benz Gle 450 or the Audi Q7?

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Across all model years, the Mercedes-Benz Gle 450 has 115 NHTSA complaints and the Audi Q7 has 1,347. Normalized for sales volume (complaints per 10,000 vehicles sold), the Mercedes-Benz Gle 450 has the lower complaint rate. Raw counts can mislead — a 2× more popular model will naturally collect 2× more complaints. Detailed normalized comparison: vinitel.com/stats/nhtsa-complaints/compare/mercedes-benz/gle-450/vs/audi/q7

Which is safer in a crash, the Mercedes-Benz Gle 450 or the Audi Q7?

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Crash-involvement rate from NHTSA complaints: Mercedes-Benz Gle 450 3.5% vs Audi Q7 4.1% — the Mercedes-Benz Gle 450 has the lower crash rate. NHTSA NCAP star ratings (frontal, side, rollover) for both models are also shown on the comparison page. Note: the per-VIN history matters more than the model average — a salvage-title car of any model carries higher crash exposure than the median.

Does the Mercedes-Benz Gle 450 or the Audi Q7 have more fires?

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Fire-involvement rate based on NHTSA complaints: Mercedes-Benz Gle 450 0.00% vs Audi Q7 0.70%. The Mercedes-Benz Gle 450 has the lower reported fire rate. Fire complaints are a relatively rare but important safety signal — they often correlate with electrical-system or fuel-system defects. Check specific recall campaigns at vinitel.com/stats/nhtsa-complaints/mercedes-benz/gle-450 and vinitel.com/stats/nhtsa-complaints/audi/q7

What years of the Mercedes-Benz Gle 450 are worse than the Audi Q7?

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The comparison page renders a year-by-year head-to-head table — for each model year (where both models have data), it shows complaint count or per-10K rate side by side and marks which model fares better that year. Buyers cross-shopping a specific model year should always check the year-level VinItel pages: vinitel.com/stats/nhtsa-complaints/mercedes-benz/gle-450/{year} and vinitel.com/stats/nhtsa-complaints/audi/q7/{year}.

Where does this Mercedes-Benz Gle 450 vs Audi Q7 comparison data come from?

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All complaint, crash, fire, and fatality data comes from the NHTSA Office of Defects Investigation (ODI) consumer-complaint database — the same source insurance regulators and the federal government use. NCAP star ratings come from NHTSA's New Car Assessment Program crash tests. Sales-volume normalization (per 10K sold) uses US annual vehicle sales. Data refreshes every 6 hours. Source: NHTSA via VinItel.

Other head-to-head matchups buyers cross-shopping the Gle 450 or Q7 also look at:

Comparison data refreshed 2026-05-04 from NHTSA Office of Defects Investigation.·Source: NHTSA ODI

Picked your model? Now check the actual VIN.

A model average can't see the car you're buying.

Even the Mercedes-Benz Gle 450 has cars with hidden accidents, salvage titles, and odometer rollbacks. Check the VIN before you buy — full report $4.99 (vs. Carfax $44.99).