2021 Toyota 4runner: Problems & Reliability
NOT FLAGGED2021 Toyota 4Runner: NOT FLAGGED — 36 owner complaints, 0.9× the 4Runner median year by raw count; top issue: steering (13 complaints).
The Toyota 4Runner isn't scored by the verdict engine yet, so the 2021 is ranked on volume — owner complaints plus a quarter weight for service bulletins. It ranks 8th of 12 model years from 2015 to 2026.
Sources: NHTSA owner complaints (ODI), recall campaigns and manufacturer service bulletins, CarWhere verified buyer prices · Model years 2015–2026 compared · Updated 2026-11-07 · By CarWhere Research · Methodology
36
NHTSA complaints
0.9×
vs. median 4Runner year
127
Service bulletins
1
Recall campaigns
Most-reported 2021 Toyota 4Runner problems
Steering is the clear leader, named in 36% of complaints.
| Component | Complaints | Share of 2021 complaints |
|---|---|---|
| Steering | 13 | 36% |
| Suspension | 10 | 28% |
| Service brakes | 6 | 17% |
| Wheels | 4 | 11% |
| Exterior lighting | 3 | 8% |
A complaint can name more than one component, so shares can add up to more than 100%.
2021 Toyota 4Runner recalls
1 recall campaign on federal record for the 2021 (reported Jul 6, 2022).
| NHTSA campaign | Reported | Component |
|---|---|---|
| 22V480000 | Jul 6, 2022 | Equipment › Other › Labels |
2021 Toyota 4Runner service bulletins
The manufacturer has filed 127 technical service bulletins with NHTSA for the 2021 — close to the 142 of the median 4Runner year from 2015 to 2026. Coded bulletins most often cover electrical system (34), structure (31), air bags (8). Bulletins are repair instructions for dealer technicians, not recalls.
The 2021 vs. the year before and after
From the 2020 to the 2021, owner complaints held roughly level (33 → 36). The 2022 that followed held roughly level (36 → 39).
| Model year | Verdict | Complaints | Bulletins | Recalls | Avg. buyer-paid |
|---|---|---|---|---|---|
| 2020 4Runner | — | 33 | 157 | 1 | — |
| 2021 (this page) | — | 36 | 127 | 1 | — |
| 2022 4Runner | — | 39 | 92 | 3 | — |
Prices are averages of CarWhere verified buyer transactions (shown when 3+ deals exist for the year). Full year-by-year table: Toyota 4Runner years to avoid.
What to check on a used 2021 Toyota 4Runner
Steering (13 complaints on the 2021): check for a steering warning light, heavy or notchy steering at parking speed, and clunks over bumps.
Suspension (10 complaints on the 2021): listen for clunks over bumps, look for leaking struts and check for uneven tire wear.
Service brakes (6 complaints on the 2021): check pedal feel, pulling and grinding, look at rotor and pad wear, and ask when the brake fluid was last changed.
Wheels (4 complaints on the 2021): check for bent rims and feel for vibration at highway speed.
Exterior lighting (3 complaints on the 2021): check low and high beams, brake lights and turn signals, and look for condensation inside the housings.
Recalls: confirm the campaign above was completed on this VIN.
Know what to pay for the right 2021 Toyota 4runner — then negotiate it
Years-to-avoid tells you which year. Search live listings to see the target price and what verified buyers actually paid for it.
- Verified buyer-paid target price for your exact make, model & trim
- DealDrive AI negotiator reads any dealer quote and writes your counteroffer
- Comparable real deals near you, from verified transactions
Found a 2021 Toyota 4runner for sale? See what the seller isn't telling you.
The CarWhere Used Car Report checks salvage records, salvage-auction listings, stolen-vehicle records, the odometer trail, and full market history for one VIN — $16.99, one time.
FAQ
Is the 2021 Toyota 4Runner reliable?
2021 Toyota 4Runner: NOT FLAGGED — 36 owner complaints, 0.9× the 4Runner median year by raw count; top issue: steering (13 complaints). The Toyota 4Runner isn't scored by the verdict engine yet, so the 2021 is ranked on volume — owner complaints plus a quarter weight for service bulletins. It ranks 8th of 12 model years from 2015 to 2026.
What are the most common 2021 Toyota 4Runner problems?
By NHTSA owner complaints, the most-reported areas on the 2021 Toyota 4Runner are steering (13, 36%), suspension (10, 28%), service brakes (6, 17%). The manufacturer has 127 service bulletins on file for this model year.
How many recalls does the 2021 Toyota 4Runner have?
1 recall campaign on federal record for the 2021 Toyota 4Runner, most recently 22V480000 (Jul 6, 2022, equipment). Recall completion is VIN-specific, so check the exact car.
How do I check a specific 2021 Toyota 4runner before buying?
Decode the VIN free at carwhere.com/tools/vin-decoder to confirm the build, then run the $9.99 CarWhere Full VIN Report for the exact VIN — recall, complaint, and service-bulletin record for this model year, the original window sticker where the manufacturer publishes one, and a market price check from verified buyers. One-time purchase, no subscription.
Sources & method
Complaint, recall and service-bulletin counts for the 2021 Toyota 4Runner come from NHTSA's Office of Defects Investigation; the model is ranked on complaint and bulletin volume until the verdict engine scores it. Complaints are owner allegations, not verified defects. Full methodology.