Strong towing numbers and a diesel that actually delivers 28-29 mpg highway, but you're gambling on two expensive failures: the 8-speed automatic shudders and slips toward a $6,000 rebuild, and the AFM lifter system collapses into a ticking mess that demands cam replacement. Transmissions have failed at 83k miles, lifters strike seemingly at random, some trucks cruise past 200k, others need major work before 100k. The GMT800 generation (1999-2006) earned its reputation as bulletproof; the current truck tows competently but trails Ram and Ford in cabin refinement, with materials that don't match the sticker. Budget for an AFM delete if buying new, or find a clean GMT800 and avoid the lottery entirely. Skip this if you want modern interior quality or can't stomach four-figure repair risk.
The Gladiator occupies a unique but narrow niche: it's essentially a Wrangler with a bed, not a traditional pickup. For buyers who specifically want off-road capability with open-air driving and occasional truck utility, it delivers an experience no competitor matches. However, systematic quality issues plague current models, clutch failures at 6k-18k miles, engine failures (including catastrophic cylinder failures while driving), and electrical gremlins are documented across multiple independent reports. It rides rough, costs significantly more than better-equipped competitors, and the 5' bed limits real truck work. Enthusiasts accept the trade-offs; those expecting daily-driver comfort or truck capability universally express regret. Value proposition is poor unless you specifically need this exact combination of features.