2018 Chevrolet Silverado problems
The 2018 Chevrolet Silverado has 508 NHTSA owner complaints on file — not a small number. No active recalls — the patterns come from the complaint record.
The 2018 Chevrolet Silverado has 508 NHTSA owner complaints on file (U.S. federal records, as of August 2026). The most-reported system is powertrain at 152 complaints, typically surfacing around 52,668 miles (~$2,500 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2015 Silverado | 1,175 | 7 |
| 2016 Silverado | 793 | 2 |
| 2017 Silverado | 835 | 0 |
| 2018 Silverado (this page) | 508 | 0 |
| 2019 Silverado | 1,044 | 0 |
| 2020 Silverado | 692 | 0 |
| 2021 Silverado | 774 | 0 |
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.
Buying a used 2018 Chevrolet Silverado? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- powertrain — 152 owner reports · tends to show around 52,668 mi · ~$2,500 to fix
- electrical — 73 owner reports · tends to show around 50,336 mi · ~$850 to fix
- brakes — 55 owner reports · tends to show around 60,680 mi · ~$450 to fix
- engine — 54 owner reports · tends to show around 74,247 mi · ~$3,100 to fix
⚠ The one to take seriously: steering is flagged severe on this model , showing up around 32,197 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 7.0/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Ask anything about your 2018 Chevrolet Silverado
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
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
Your road ahead on this 2018 Chevrolet Silverado
When owners report each system failing, in actual miles — so you can see what's likely behind you, what's due around now, and what to budget for next. Enter your mileage to mark where you are.
- ~20,010 misuspension~$900
- ~32,000 misteering~$700
- ~37,500 mielectrical~$850
- ~46,000 mipowertrain~$2,500
- ~51,145 miengine~$3,100
- ~57,000 mibrakes~$450
"Typical" = median owner-reported failure mileage from the NHTSA complaint record for this exact year and model. Not a maintenance schedule — a heads-up on where this model's failures cluster.
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 508 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 should I check before buying a used 2018 Chevrolet Silverado?
Inspect the powertrain first — it's the most-reported issue on this model, with 152 owner complaints filed. Typical failure occurs around 52,668 miles. Average repair cost runs about $2,500 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2018 Chevrolet Silverado a good used car to buy?
It scores 7.0 out of 10 on our NHTSA-based read of 508 owner complaints. The main thing to watch is powertrain. Typical failure occurs around 52,668 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2018 Chevrolet Silverado?
Based on NHTSA records, the most-reported issue is powertrain, with 152 complaints filed. Typical failure occurs around 52,668 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 52,668 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 508 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.