Chevrolet Silverado problems
503 owners have filed defect reports on this one. That's not a small number. No active recalls — patterns come from the complaint record.
Solid reliability overall. Common issues are concentrated in a few systems.
Worth owning if you verify the specific issues below before you buy.
- Steering: 41 complaints, classified severe, failures cluster 11,000–47,000 mi
- Reliability score 7.0/10 — around the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Stories from the shop
The 2018 Silverado’s 5.3 V8 is on our list, and a buyer should understand exactly why — and why 2018 is actually a smart year inside that.
The AFM connection
The 5.3 with Active Fuel Management (cylinder deactivation) is the GM 5.3 AFM V8, number 22 on our worst-platforms list. The deactivating cylinders can collapse a lifter — ticking, then misfire, then a real bill — and the AFM cylinders tend to burn oil. Trim (LS, etc.) doesn’t change any of this; it’s all about the engine.
Why 2018 specifically is the good spot: it’s the last year of the well-sorted K2 platform, and it has the AFM 5.3 (L83) — not the 2019+ truck with the newer DFM system and its even worse lifter problems. Of the 5.3 trucks, 2018 is one of the better years to buy.
What to watch (and the cheap fix)
- Lifter tick at idle; misfire codes
- Oil consumption — check the level, ask for history
- The mitigation owners swear by: a range-style AFM disabler plug (~$150) that locks it in V8 mode. Many run these from day one.
Should you buy one?
Yes — a clean 2018 5.3 with an AFM disabler is a long-running truck. The buying checklist: listen for lifter tick at idle, check oil level and consumption, and ask if it already has a disabler or had lifters done. A truck already burning oil or ticking — walk.
This is a real case where the warranty math can pencil out, because the failure (lifter/AFM) is expensive and documented. Run it on the specific truck — that’s exactly what the calculator is for.
Top trouble spots 8 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
Have had 3 rear door actuator locks fail. Refer to complaint 11538814. Will be able to upload files at request.
The rack and pinion is not working on the power steering - Chevy wont cover because the truck has been lifted. The truck was lifted the day truck was purchased and it only has 5196 miles on it. Took it to 3 lift shops and all said nothing is wrong with the lift and their own…
unknow getting gas in oil at 62532 miles on it which can cause the motor to grenade. a lot of the 5.3l on 2018 has this trouble from watching utube and using research, should be recalled and transmissions trouble as well.
The contact owns a 2018 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the vehicle experienced unintended braking. Additionally, the steering wheel was shaking while driving. There was no warning light illuminated. The dealer was not…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2018 Chevrolet Silverado reliable?
Mostly yes. With a reliability score of 7.0 out of 10 based on 503 owner complaints filed with NHTSA, the 2018 Chevrolet Silverado is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2018 Chevrolet Silverado?
The 2018 Chevrolet Silverado is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Steering: 41 complaints, classified severe, failures cluster 11,000–47,000 mi; Reliability score 7.0/10 — around the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What's the most common problem on the 2018 Chevrolet Silverado?
Based on NHTSA records, the most-reported issue is powertrain, with 150 complaints filed. Typical failure occurs around 51,618 miles. Average repair cost runs about $2,500 at an independent shop.
What's the most expensive thing that goes wrong?
The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Typical failure occurs around 51,618 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Chevrolet Silverado has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2018 Chevrolet Silverado?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 503 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.