Comparison

GMC ENVOY DENALI vs PORSCHE 911

Side-by-side comparison of the GMC ENVOY DENALI and PORSCHE 911 drawn from the NHTSA consumer-complaint database, defect investigations, recall history, and NCAP crash-test ratings.

According to the National Highway Traffic Safety Administration (NHTSA), more than 2,000,000 consumer complaints have been filed against U.S. vehicles (2,054,142 as of August 2026). This is a head-to-head safety comparison between the GMC ENVOY DENALI (2006–2007) and the PORSCHE 911 (1983–2024), drawn from that federal complaint and recall record; see our methodology for how the figures are compiled.

The GMC ENVOY DENALI (2006–2007, 2 model years) carries 172 NHTSA consumer complaints and 0 safety recalls, while the PORSCHE 911 (1983–2024, 31 model years) carries 173 complaints and 16 recalls. Severity indicators for the pair split as follows: 6 vs 7 crashes, 1 vs 10 fires, and 0 vs 0 reported fatalities.

Raw complaint counts favor whichever nameplate has fewer vehicles on the road, so the cleaner lens is components: which specific part families concentrate each model's filings? For the GMC ENVOY DENALI, the leading complaint category is electrical system (25 filings), followed by fuel system, gasoline and exterior lighting. For the PORSCHE 911, it is engine (35), ahead of electrical system and unknown or other. When the two vehicles cluster around the same component, the problem is likely a shared supplier or a shared federal standard under stress; when they diverge, each nameplate has its own defect signature independent of the other.

Average NCAP crash-test scores are not uniformly available for both nameplates in this dataset, which typically means one or both pre-date the 2011 rating methodology refresh. Use the side-by-side table below as your scorecard, but do not treat it as a verdict. Recall counts tell you how many defects the manufacturer has already been compelled to remedy; complaint counts tell you what owners are still flagging today; and safety ratings tell you how the vehicle performs in standardized barrier tests, three different lenses on the same underlying question. The "also compare" links at the bottom of this page let you triangulate against neighboring nameplates in each model's competitive set.

GMC ENVOY DENALI vs PORSCHE 911 - NHTSA complaint, recall, and safety rating comparison
GMC ENVOY DENALI Metric PORSCHE 911
N/A Avg Safety Rating N/A
172 Total Complaints 173
0 Total Recalls 16
6 Crashes Reported 7
1 Fires Reported 10
1 Injuries Reported 8
0 Deaths Reported 0
2 years Years on Market 31 years

Top Complaint Categories

ELECTRICAL SYSTEM
25
13
FUEL SYSTEM, GASOLINE
20
0
EXTERIOR LIGHTING
20
0
ENGINE
16
35
SUSPENSION
11
0
UNKNOWN OR OTHER
0
9
FUEL/PROPULSION SYSTEM
0
9
POWER TRAIN
0
8
GMC ENVOY DENALI PORSCHE 911

Compare Another Pair

Search for any two vehicle models to compare their safety records side by side.

Go to Compare Tool →

Frequently Asked Questions

Which is safer, GMC ENVOY DENALI or PORSCHE 911?
GMC ENVOY DENALI has 172 total NHTSA complaints with 6 crashes, while PORSCHE 911 has 173 complaints with 7 crashes. Review individual model years for specific safety ratings.
How many recalls does GMC ENVOY DENALI have compared to PORSCHE 911?
GMC ENVOY DENALI has 0 recalls across 2 model years, while PORSCHE 911 has 16 recalls across 31 model years.
What are the most common problems with GMC ENVOY DENALI?
The most commonly reported issues for GMC ENVOY DENALI are: ELECTRICAL SYSTEM (25 complaints), FUEL SYSTEM, GASOLINE (20 complaints), EXTERIOR LIGHTING (20 complaints), ENGINE (16 complaints), SUSPENSION (11 complaints).
What are the most common problems with PORSCHE 911?
The most commonly reported issues for PORSCHE 911 are: ENGINE (35 complaints), ELECTRICAL SYSTEM (13 complaints), UNKNOWN OR OTHER (9 complaints), FUEL/PROPULSION SYSTEM (9 complaints), POWER TRAIN (8 complaints).

Source: National Highway Traffic Safety Administration (NHTSA) complaints and recalls data