A rough idle, a blinking check-engine light, and a sudden drop in fuel economy are usually the first clues that an ignition coil has failed. Coils are small, but when one goes bad, the cylinder it feeds stops firing — and that misfire can...

GMC builds some of the most capable trucks and SUVs on the road — the Sierra 1500, Yukon, Acadia, Terrain, and the all-new Hummer EV all carry a reputation for power, towing strength, and upscale interiors. But once GMC’s factory...

Your car’s air conditioning stops blowing cold on a 95-degree afternoon and the shop tells you the compressor is shot. The estimate: $1,200 to $2,400. Is that fair? Is it worth fixing? And is there any way to avoid paying that out of pocket...

Shopping for an extended auto warranty usually comes down to a short list of providers, and two names come up again and again: Empire Auto Protect and CARCHEX. Both have been around long enough to build real reputations, both cover vehicles...

Cadillac has spent the last decade reinventing itself — lighter aluminum structures, twin-turbo V-Sport engines, the Super Cruise hands-free system, and a new wave of electric SUVs led by the LYRIQ. That tech is genuinely impressive. It is...

Your engine misfires at a red light. The check-engine light blinks. You head to the shop and the technician tells you the spark plugs are toast. Now what? Knowing the real spark plug replacement cost in 2026 — before you hand over the keys...