Buick Regal vs Mini Cooper: which is more reliable?

The Mini Cooper is ahead of the Buick Regal on the federal record, 88/100 against 82/100 — a real but narrow gap that a bad model year on either side closes.

The record, side by side

Buick Regal
Buick Regal · Wikimedia Commons

Buick Regal

82/100 mean
  • 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)

Mini Cooper

88/100 mean
  • 6 model years scored
  • 541 owner complaints on record
  • about 7 complaints per year on the road
  • 4 recall campaigns, 4 safety-critical
  • best year 2014 (95/100) · worst 2013 (80/100)

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 Cooper

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.

YearRegalCooper Gap
2025—90 BUY—
202090 BUY——
201984 BUY——
201883 BUY——
201792 BUY——
201681 BUY——
201590 BUY86 BUY+4
201485 BUY95 BUY-10
201355 CAUTION80 BUY-25
201257 CAUTION84 BUY-27
201142 AVOID91 BUY-49

What owners actually complain about

Buick Regal

  • Engine — 169 complaints
  • Electrical System — 159 complaints
  • Exterior Lighting — 127 complaints

Mini Cooper

  • Electrical System — 188 complaints
  • Engine — 95 complaints
  • Air Bags — 79 complaints

They do not fail the same way: the Regal's complaints concentrate in Engine, the Cooper'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

Buick Regal — avoid: 2011.

Mini Cooper: no model year scores below 45; the strongest are 2011, 2012, 2013, 2014, 2015, 2025.

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 Mini Cooper at about $30,400 — the Buick Regal is roughly $10,600 less, and they return 26.0 against 30.0 MPG combined.

Class-level estimates re-priced to your country, not a valuation of one car. Method.

FAQ

Is the Buick Regal or the Mini Cooper more reliable?

On the NHTSA record the Mini Cooper scores 88/100 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 Mini Cooper years should I avoid?

Buick Regal: 2011. Mini Cooper: 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 Buick Regal and the Mini Cooper?

The largest complaint group on the Buick Regal is Engine (169 complaints); on the Mini Cooper it is Electrical System (188).

Is the Buick Regal or the Mini Cooper cheaper to own?

A recent used Buick Regal prices at about $19,800 and a Mini Cooper at about $30,400, before insurance and the maintenance band. Both pages carry the five-year running-cost figure.

More head-to-heads