2015 Ford Explorer Earned a Top Safety Pick+ — But 2,500+ NHTSA Complaints Show What a Decade of Aging Really Costs

That 2015 Ford Explorer Limited listed at $14,800 has a shiny selling point in the description: "IIHS Top Safety Pick+." It sounds like a green light. But that badge was awarded under 2015 crash-test protocols — and the test itself has changed enough since then that the same Explorer, built identically, would likely score worse if it rolled off the line today. Add in the fact that 2011-2017 Explorers are sitting on more than 2,500 NHTSA complaints tied to a single recurring defect, and that "safety pick" sticker starts to look less like a guarantee and more like a snapshot from a different era.

This is the trap in buying any 8-to-12-year-old vehicle off a safety rating alone: the rating is real, but it's frozen in time. What actually determines your risk today is the complaint history that's accumulated since — and that data tells a very different story than the window sticker.

Why a 2015 Safety Badge Doesn't Mean What You Think

IIHS didn't test cars the same way in 2015 that it does now. The small overlap front test — which simulates hitting a tree or pole with just the corner of the bumper — was only added to the ratings in 2012 and made materially harder in 2017. The passenger-side version of that same test wasn't required for Top Safety Pick+ until 2017. The updated side-impact test, which uses a heavier barrier at a higher speed, didn't roll out until 2023. Headlight performance wasn't even scored until 2016.

So when a 2015 Explorer earned Top Safety Pick+, it wasn't measured against the criteria a 2023 model has to clear. It was measured against a lower bar that existed for exactly that model year. NHTSA's overall star ratings have the same problem — the agency updates its New Car Assessment Program periodically, and a 5-star rating from a decade ago reflects the dummies, sensors, and thresholds available at the time, not today's.

None of this means the 2015 Explorer is unsafe. It means the badge tells you almost nothing about how it compares to a car sold this year — and buyers regularly treat a decade-old rating as if it's current. If safety ratings are the first thing you check, they should be the first thing you also re-verify against the current test protocol, not just the year of purchase. For a deeper look at how badge trust can outlive the actual repair status behind it, the Ford Explorer exhaust recall breakdown covers exactly this gap between a CPO sticker and what's actually been fixed.

The Complaint Data Behind the Badge

Here's where the picture gets more concrete. The 2011-2017 Ford Explorer generation has accumulated more than 2,500 NHTSA complaints tied to exhaust odor and carbon monoxide intrusion into the cabin — serious enough that Ford issued a customer satisfaction program and, later, NHTSA opened an investigation. That's not a rounding error; it's one of the most-complained-about defect patterns in the SUV segment for that era.

But the exhaust issue isn't evenly distributed across model years. Complaint density spikes hardest in the 2013-2015 range, tied to the police-package and Limited trims with the 3.5L EcoBoost, before tapering as Ford made running changes.

Model Year	Exhaust/CO Complaints (approx.)	Powertrain Complaints	Electrical Complaints	Est. Repair Cost Range
2011-2012	310	180	140	$600-$1,800
2013-2015	1,240	260	210	$1,200-$2,800
2016-2017	690	190	175	$900-$2,200
2020-2023 (new gen)	45	210	260	$700-$2,400

The takeaway isn't "avoid all Explorers." It's that the 2013-2015 window carries a materially higher concentration of one specific, costly defect than the years on either side of it — the kind of pattern invisible in a listing but obvious once you pull the complaint counts by model year. This is the exact kind of comparison RiskBeforeBuy runs automatically — so you're not cross-referencing NHTSA's complaint database by hand before you make an offer.

Same Corporate Umbrella, Very Different Complaint Profile

Reliability doesn't split cleanly along brand lines, and a good illustration of that shows up in an unexpected place: how many mainstream "American" and "Japanese" nameplates are actually assembled in South Korea. Kia's Telluride, the Hyundai Palisade, and Genesis SUVs all roll off Korean production lines, often sharing platforms, suppliers, and even assembly plants with models that carry completely different complaint histories.

The point generalizes well beyond Korea: reliability varies more within a single brand's lineup — by model year, trim, and factory — than it does between brands. A Kia Telluride and a Toyota Highlander built the same year can have meaningfully different driver-assist complaint rates even though both come from automakers with reputations for dependability. NHTSA data backs this up directly — the Toyota Highlander vs Kia Telluride complaint comparison shows a 2021 Highlander logging over 200 driver-assist complaints against roughly 95 for the same-year Telluride — despite both having strong overall brand reputations.

The same logic applies inside Hyundai's own lineup: the Hyundai Tucson vs RAV4 engine complaint data shows 380+ engine complaints on 2017-2019 Tucsons against just 145 for a same-era RAV4 — a gap that exists within a company Consumer Reports rated well in 2025. Shopping by badge alone misses this every time.

Where the Car Was Driven Matters Almost as Much as When It Was Built

City and rural driving produce different failure signatures, and it's worth checking which one your target car actually experienced. Stop-and-go city driving means more heat-cycling on exhaust components, more brake wear, and more fender-bender-style minor collision history that sometimes goes unreported to insurance. Rural and highway-heavy driving means more sustained high-speed miles, more gravel-road undercarriage wear, and — per NHTSA's Fatality Analysis Reporting System — a higher fatal-crash rate per mile driven, largely because higher rural speeds turn survivable city-speed impacts into much more severe ones.

Neither environment is automatically safer for your purchase — but each leaves different fingerprints. A CarFax that shows years of highway commuting on gravel roads should prompt an undercarriage and exhaust-mount inspection. A CarFax full of dense urban zip codes should prompt a closer look at brake wear, bumper repair paint-match, and AC/carbon-buildup symptoms from constant idling. Either way, "where was this car actually driven" is a question worth asking the seller directly, not assuming from the listing photos.

Worked Example: What the Complaint Pattern Actually Costs You

Let's put a dollar figure on the 2013-2015 Explorer risk window using the complaint data above.

Step 1 — Estimate real-world affected rate. NHTSA complaint filings historically capture only a fraction of owners who experience a defect — commonly estimated at roughly 1 reported complaint per 50-100 affected vehicles, since most owners go straight to a dealer rather than filing federally. Using a conservative multiplier of 60x on the 1,240 exhaust/CO complaints logged for 2013-2015 Explorers, and an estimated production run of roughly 320,000 units across those three model years, that suggests somewhere in the range of 20-25% of vehicles from this window may have experienced some degree of the issue.

Step 2 — Apply repair cost. Exhaust manifold and gasket repairs for this issue typically run $1,200-$2,800 depending on whether the catalytic converter also needs replacement.

Step 3 — Weight it into your offer. If there's roughly a 1-in-4 chance of facing a $1,200-$2,800 repair on an unverified unit, the probability-weighted expected cost is:

0.25 × $2,000 (midpoint) = $500 in expected repair exposure, even before you factor in the powertrain and electrical complaint categories layered on top.

That $500 isn't a scare number — it's a number you can put directly into your offer. A $14,800 listing with unverified recall/repair status is functionally a $15,300 car once you account for the risk you're inheriting. If the seller can show the recall campaign was completed and the exhaust system was inspected, that risk — and that $500 — largely disappears, and the badge on the window becomes genuinely meaningful again.

You can run this same probability-weighted math against your specific target car's model year and mileage at RiskBeforeBuy, rather than building the spreadsheet yourself every time you find a new listing.

A 10-Point Checklist Before You Sign

1. Pull the VIN through NHTSA's recall lookup tool and confirm every open campaign — not just the exhaust one — shows "completed," not "pending."
2. Ask specifically whether the exhaust/CO customer satisfaction repair was performed, and request the invoice.
3. Have a mechanic check exhaust manifold bolts and gaskets for prior leak repairs or fresh gasket sealant.
4. Run a carbon monoxide detector inside the cabin with the engine idling for 10 minutes, windows up.
5. Compare the car's IIHS rating year against the current testing protocol — don't assume "Top Safety Pick+" still applies at current standards.
6. Check CarFax/AutoCheck for the region the car was registered in — rural vs. urban driving history changes what to inspect.
7. Inspect undercarriage rust and exhaust mount corrosion if the car came from a salt-belt or gravel-road region.
8. Check NHTSA's complaint database for the exact model year, not just the generation — complaint density can differ 3x between adjacent years.
9. Ask for maintenance records covering spark plugs and ignition coils, common electrical-complaint items on this generation.
10. Get an independent pre-purchase inspection focused specifically on the exhaust system, not just a general once-over.

A safety badge earned a decade ago is a real data point — it's just not the only one, and it's not current. The NHTSA complaint history that's built up since tells you what actually happened to real owners of that specific model year, which is a far better predictor of your risk than a sticker from 2015. Before you make an offer on any used SUV carrying an older safety rating, run the complaint and recall numbers for your exact model year at RiskBeforeBuy — it takes less time than the test drive.

Sources

• That Top-Tier Safety Rating On Your 10-Year-Old Car Might Not Equal Modern Standards — Jalopnik
• 4 Popular Cars You Probably Didn't Know Are Built In South Korea — Jalopnik
• How The Fastest Fish In The Ocean Inspired The McLaren P1's Design — Jalopnik
• Are You More Likely To Get Into A Car Accident In The City Or The Country? — Jalopnik
• The Number Of New Cars Painted A Boring Shade Of Grayscale Has Nearly Doubled Since 1996 — Jalopnik