Audi Q7 vs Mercedes-Benz Gle 450

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·03(1 tied)

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

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
Audi Q736.5/1K
Mercedes-Benz Gle 45020.1/1K

Mercedes-Benz Gle 450 wins by 82%

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

Mercedes-Benz Gle 450 wins by 17%

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

Within 5% — statistical tie

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

Mercedes-Benz Gle 450 wins by 196%

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

NHTSA Crash Test Ratings

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

Top Safety Pick

Audi Q7

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

Mercedes-Benz Gle 450

2024 model year

Not yet rated by NHTSA NCAP.

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.

Audi Q7
Mercedes-Benz Gle 450

Most Reported Problems

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

Audi Q7
Mercedes-Benz Gle 450
Engine Problems18725Electrical Faults18627Headlight/Taillight Failures1572Fuel System1303Suspension Failures630Unintended Acceleration3310Transmission / Drivetrain487Forward Collision Avoidance: Automatic Emergency Braking03

Year-by-Year Head-to-Head

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

YearAudi Q7Mercedes-Benz Gle 450Better
20202846Q7
202110427Gle 450
20221920Q7
20232612Gle 450

Frequently Asked Questions

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

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

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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 Audi Q7 or a Mercedes-Benz Gle 450?

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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 Audi Q7 and Mercedes-Benz Gle 450 share?

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

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

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Across all model years, the Audi Q7 has 1,347 NHTSA complaints and the Mercedes-Benz Gle 450 has 115. 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/audi/q7/vs/mercedes-benz/gle-450

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

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Crash-involvement rate from NHTSA complaints: Audi Q7 4.1% vs Mercedes-Benz Gle 450 3.5% — 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 Audi Q7 or the Mercedes-Benz Gle 450 have more fires?

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Fire-involvement rate based on NHTSA complaints: Audi Q7 0.70% vs Mercedes-Benz Gle 450 0.00%. 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/audi/q7 and vinitel.com/stats/nhtsa-complaints/mercedes-benz/gle-450

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

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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/audi/q7/{year} and vinitel.com/stats/nhtsa-complaints/mercedes-benz/gle-450/{year}.

Where does this Audi Q7 vs Mercedes-Benz Gle 450 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 Q7 or Gle 450 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).