Toyota 4Runner vs Chevrolet Blazer: which is more reliable?
The Chevrolet Blazer is ahead of the Toyota 4Runner on the federal record, 83/100 against 78/100 — a real but narrow gap that a bad model year on either side closes.
The record, side by side
Toyota 4Runner
- 14 model years scored
- 817 owner complaints on record
- about 11 complaints per year on the road
- 62 recall campaigns, 23 safety-critical
- best year 2024 (90/100) · worst 2025 (44/100)
Chevrolet Blazer
- 7 model years scored
- 690 owner complaints on record
- about 23 complaints per year on the road
- 11 recall campaigns, 2 safety-critical
- best year 2022 (92/100) · worst 2020 (70/100)
Mean score is the average across model years from 2013 on, where both records are comparable. How the score works.
Year by year: 4Runner against Blazer
The comparison that decides the purchase. A nameplate is not one car — a redesign can move the record sixty points inside two years, and the two nameplates rarely move together.
What owners actually complain about
Toyota 4Runner
- Air Bags — 238 complaints
- Unknown Or Other — 122 complaints
- Electrical System — 79 complaints
Chevrolet Blazer
- Electrical System — 204 complaints
- Power Train — 181 complaints
- Engine — 181 complaints
They do not fail the same way: the 4Runner's complaints concentrate in Air Bags, the Blazer's in Electrical System. That difference matters more to a buyer than the score gap, because it says which repair bill you are taking on.
Years to avoid on each
Toyota 4Runner — avoid: 2025.
Chevrolet Blazer: no model year scores below 45; the strongest are 2019, 2020, 2021, 2022, 2023, 2024….
A year scores below 45 on complaints per year of exposure and recall campaigns. Every car’s years to avoid.
What each costs today
A recent used Toyota 4Runner prices at about $40,800 and a Chevrolet Blazer at about $40,800 — they price within $1 of each other, which at this level is the same money, and they return 22.0 against 24.0 MPG combined.
Class-level estimates re-priced to your country, not a valuation of one car. Method.
FAQ
Is the Toyota 4Runner or the Chevrolet Blazer more reliable?
On the NHTSA record the Chevrolet Blazer scores 83/100 against the Toyota 4Runner's 78/100, averaged across every model year we hold. The gap is small enough that the model year matters more than the badge.
Which Toyota 4Runner and Chevrolet Blazer years should I avoid?
Toyota 4Runner: 2025. Chevrolet Blazer: no year scores below 45. Each of those scores under 45 out of 100 on complaints per year of exposure and recall campaigns.
What goes wrong on the Toyota 4Runner and the Chevrolet Blazer?
The largest complaint group on the Toyota 4Runner is Air Bags (238 complaints); on the Chevrolet Blazer it is Electrical System (204).
Is the Toyota 4Runner or the Chevrolet Blazer cheaper to own?
A recent used Toyota 4Runner prices at about $40,800 and a Chevrolet Blazer at about $40,800, before insurance and the maintenance band. Both pages carry the five-year running-cost figure.