Buick Regal vs Kia Optima Hybrid: which is more reliable?
The Buick Regal and the Kia Optima Hybrid are level on the federal record — 82/100 against 84/100 across the years we score. Which one to buy is decided by the model year, not the badge.
The record, side by side
Buick Regal
- 10 model years scored
- 633 owner complaints on record
- about 3 complaints per year on the road
- 28 recall campaigns, 12 safety-critical
- best year 2017 (92/100) · worst 2011 (42/100)
Kia Optima Hybrid
- 10 model years scored
- 480 owner complaints on record
- about 5 complaints per year on the road
- 12 recall campaigns, 5 safety-critical
- best year 2020 (94/100) · worst 2012 (45/100)
Mean score is the average across model years from 2013 on, where both records are comparable. How the score works.
Year by year: Regal against Optima Hybrid
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
Buick Regal
- Engine — 169 complaints
- Electrical System — 159 complaints
- Exterior Lighting — 127 complaints
Kia Optima Hybrid
- Engine — 235 complaints
- Electrical System — 94 complaints
- Unknown Or Other — 68 complaints
Both nameplates have Engine as their largest complaint group, so the choice between them is about how often, not about what.
Years to avoid on each
Buick Regal — avoid: 2011.
Kia Optima Hybrid — avoid: 2012, 2019.
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 Buick Regal prices at about $19,800 and a Kia Optima Hybrid at about $18,400 — the Kia Optima Hybrid is roughly $1,400 less, and they return 26.0 against 42.0 MPG combined.
Class-level estimates re-priced to your country, not a valuation of one car. Method.
FAQ
Is the Buick Regal or the Kia Optima Hybrid more reliable?
On the NHTSA record the Kia Optima Hybrid scores 84/100 against the Buick Regal's 82/100, averaged across every model year we hold. The gap is small enough that the model year matters more than the badge.
Which Buick Regal and Kia Optima Hybrid years should I avoid?
Buick Regal: 2011. Kia Optima Hybrid: 2012, 2019. Each of those scores under 45 out of 100 on complaints per year of exposure and recall campaigns.
What goes wrong on the Buick Regal and the Kia Optima Hybrid?
The largest complaint group on the Buick Regal is Engine (169 complaints); on the Kia Optima Hybrid it is Engine (235).
Is the Buick Regal or the Kia Optima Hybrid cheaper to own?
A recent used Buick Regal prices at about $19,800 and a Kia Optima Hybrid at about $18,400, before insurance and the maintenance band. Both pages carry the five-year running-cost figure.