Consumer Reports Names 9 Car Brands With The Worst Reliability In America

Consumer Reports’ 2026 Automotive Brand Report Card is out, and nine brands are on the wrong end of America’s most trusted reliability survey. Consumer Reports’ predicted reliability rankings and model‑level data show these brands at or near the bottom of the pack, or falling sharply from prior years. Before you sign a lease or hand over a deposit, these are the nine brands Consumer Reports’ 2026 data suggest give owners the most grief.

1. Rivian: Silicon Valley Dreams, Service Bay Reality

Rivian sits dead last in Consumer Reports’ 2026 brand‑level predicted reliability rankings, a painful result for a brand that promised to reinvent the electric truck. With the R1T and R1S essentially anchoring its lineup, every reported problem hits the brand’s average hard. Owners have complained about battery and motor issues, climate-control failures, electrical-accessory glitches, and body-hardware defects that shouldn’t appear on a premium‑priced EV. For a truck with real‑world prices often above $70,000, a last‑place reliability ranking is a serious argument for patience over prestige.

2. Ram: America’s Favorite Truck Has a Problem

Ram sells hundreds of thousands of pickups every year on the promise of toughness and comfort, but Consumer Reports’ survey data ranks it second‑worst for predicted reliability in 2026. The Ram 1500, one of the best‑selling vehicles in the country, is a central culprit, with owners reporting in‑car electronics failures, electrical system gremlins, and battery‑related issues that turn a supposed workhorse into a recurring workshop appointment. When your truck is both your daily driver and your tool, this level of unreliability is more than an inconvenience.

3. Jeep: Go Anywhere… Except the Fast Lane

Jeep lands near the very bottom of Consumer Reports’ overall 2026 rankings, with the brand performing poorly in both predicted reliability and owner satisfaction, a brutal double‑failure for a brand that sells adventure. Models like the Grand Cherokee PHEV consistently drag scores down, with owners reporting transmission replacements, suspension and steering problems, brake issues, and infotainment glitches. Jeep’s off‑road reputation is real, but if your vehicle keeps pulling into the dealership instead of the trailhead, that rugged image starts to feel hollow fast.

4. GMC: Premium Badge, Below‑Average Results

GMC positions itself as the upscale alternative to Chevrolet, charging more for what it claims is a more refined experience. Consumer Reports’ 2026 data ranks it in the low twenties out of 26 brands it measures for predicted reliability, significantly undercutting that premium promise. The GMC Acadia is among the models specifically cited as least reliable, with owners citing transmission issues, electrical accessory failures, and in-car electronics problems. Paying more for a badge that statistically breaks down more often is a formula most buyers didn’t budget for.

5. Chrysler: A Small Lineup With a Large Reliability Problem

Chrysler now sells essentially one core product to families, the Pacifica minivan, making its reliability score uniquely exposed. When your entire brand identity rests on one nameplate family, recurring problems have nowhere to hide. The Pacifica Hybrid in particular earns a spot among Consumer Reports’ least reliable vehicles for 2026, with owners flagging engine, transmission, plug‑in system, and electrical faults. For parents buying a family van expecting dependable school runs and road trips, landing in the reliability basement is a hard reality check.

6. Genesis: Luxury Looks, Unreliable Leaderboard

Genesis has aggressively pushed into the luxury market with striking designs and long warranty packages, yet Consumer Reports’ 2026 data tells a reliability story that doesn’t match the showroom shine. The brand ranks 21st overall in predicted reliability, with not a single model earning an average or better predicted reliability score, a significant red flag across the entire lineup. Buyers drawn in by the aggressive pricing versus German rivals may find that the cost savings get absorbed by trips to a Genesis service centre that’s harder to find than a BMW dealer.

7. Lincoln: America’s Luxury Brand Still Struggling

Lincoln has worked hard to reposition itself as a credible rival to Cadillac and European luxury brands, but Consumer Reports’ 2026 rankings place it 20th for predicted reliability, squarely in the problem zone. The Lincoln Corsair PHEV is specifically named among the least reliable vehicles, pointing to the same pattern seen across multiple brands: plug‑in hybrid technology is introducing new failure modes faster than quality control can contain them. For a $55,000‑plus luxury vehicle, an unreliable plug‑in system is a particularly expensive frustration.

8. Mercedes‑Benz: Engineering Excellence Meets Survey Reality

Mercedes‑Benz has built a global reputation on engineering prestige, yet Consumer Reports places it 19th in the 2026 predicted reliability rankings, deep in the lower half of the pack. The brand’s push into complex MBUX infotainment systems, advanced driver‑assistance tech, and electrified powertrains is generating enough owner complaints to keep it far from the top tier. Consumer Reports does not rank every low‑volume European marque due to insufficient data, making Mercedes the cautionary tale for buyers who assume a three‑pointed star automatically means trouble‑free ownership.

9. Mazda: The Biggest Faller Of The Year

Mazda’s drop is the most jarring story in Consumer Reports’ 2026 reliability data. Once a top‑10 reliability brand celebrated for building simple, dependable cars, Mazda has tumbled to 14th place, pushed out of the elite tier by problems tied directly to its new plug‑in hybrid powertrains in the CX‑70 and CX‑90. Consumer Reports’ advice is clear: slow, steady vehicle updates tend to build reliability; aggressive new technology introductions can hurt it. Mazda’s fall is a masterclass in how quickly a hard‑won reliability reputation can unravel when ambition outruns execution, even if the brand still sits mid‑pack overall rather than at the very bottom.

Sources:
“The Winners and Losers of Consumer Reports’ 2026 Rankings.” Autoblog, 9 Dec 2025.
“Who Makes the Most Reliable New Cars?” Consumer Reports, 4 Nov 2025.
“Least Reliable Car Brands of 2026.” Consumer Reports (video via YouTube), 11 Dec 2025.