Hyundai Sonata Hybrid vs Buick Regal: which is more reliable?
The Hyundai Sonata Hybrid and the Buick Regal are level on the federal record — 84/100 against 82/100 across the years we score. Which one to buy is decided by the model year, not the badge.
The record, side by side
Hyundai Sonata Hybrid
- 13 model years scored
- 746 owner complaints on record
- about 6 complaints per year on the road
- 33 recall campaigns, 20 safety-critical
- best year 2019 (94/100) · worst 2012 (59/100)
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)
Mean score is the average across model years from 2013 on, where both records are comparable. How the score works.
Year by year: Sonata Hybrid against Regal
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
Hyundai Sonata Hybrid
- Engine — 324 complaints
- Electrical System — 194 complaints
- Service Brakes — 101 complaints
Buick Regal
- Engine — 169 complaints
- Electrical System — 159 complaints
- Exterior Lighting — 127 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
Hyundai Sonata Hybrid: no model year scores below 45; the strongest are 2011, 2013, 2014, 2015, 2017, 2018….
Buick Regal — avoid: 2011.
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 Hyundai Sonata Hybrid prices at about $28,100 and a Buick Regal at about $19,800 — the Buick Regal is roughly $8,300 less, and they return 47.0 against 26.0 MPG combined.
Class-level estimates re-priced to your country, not a valuation of one car. Method.
FAQ
Is the Hyundai Sonata Hybrid or the Buick Regal more reliable?
On the NHTSA record the Hyundai Sonata 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 Hyundai Sonata Hybrid and Buick Regal years should I avoid?
Hyundai Sonata Hybrid: no year scores below 45. Buick Regal: 2011. Each of those scores under 45 out of 100 on complaints per year of exposure and recall campaigns.
What goes wrong on the Hyundai Sonata Hybrid and the Buick Regal?
The largest complaint group on the Hyundai Sonata Hybrid is Engine (324 complaints); on the Buick Regal it is Engine (169).
Is the Hyundai Sonata Hybrid or the Buick Regal cheaper to own?
A recent used Hyundai Sonata Hybrid prices at about $28,100 and a Buick Regal at about $19,800, before insurance and the maintenance band. Both pages carry the five-year running-cost figure.