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Cross-comparison · Comparison spans different vehicle types

2007 Buick Lucerne vs 2007 Kia Optima

Reliability comparison based on NHTSA recall and complaint records.

Synced 2026-05-03 Source: NHTSA public records Reviewed by ASE-certified contributors
Quick verdict
2007 Buick Lucerne and 2007 Kia Optima run close on the data

Reliability scores are close enough (3.8 versus 3.8) that the choice between these two probably comes down to specific use case rather than overall reliability scoring.

2007 Buick Lucerne

3.8/5
Reliability score
164 complaints
0 recalls (0 critical)
$12,250 repair exposure
vs

2007 Kia Optima

3.8/5
Reliability score
166 complaints
0 recalls (0 critical)
$11,000 repair exposure

Stories from the shop

Reliability scores run close (3.8 versus 3.8). The pick comes down to specific use case more than overall reliability scoring.

If you lean 2007 Buick Lucerne, know what you're getting into on electrical and steering. Those categories have noticeably more complaints than the 2007 Kia Optima sees, and they're not cheap items when they go.

Going with the 2007 Kia Optima? Watch the airbags and lighting. The 2007 Buick Lucerne has fewer reports in those categories, so you'd be trading one set of weak spots for another.

Bottom line: pick based on use case more than the spec sheet. If you tow heavy and don't want to think about it, that's one calculation. If you're a daily driver and want the cheapest path forward, that's another. Both of these will get you down the road. We're just telling you where each one is most likely to break.

— ProblemsByVin editorial team, drawing on the NHTSA data and shop experience.

Side-by-side by problem area

Category
2007 Buick Lucerne
2007 Kia Optima
airbags
20 reports
severe · ~$1,100
57 reports
severe · ~$1,100
electrical
50 reports
moderate · ~$850
9 reports
moderate · ~$850
lighting
7 reports
moderate · ~$250
23 reports
moderate · ~$250
engine
14 reports
moderate · ~$3,100
15 reports
severe · ~$3,100
visibility
No reports
27 reports
moderate · ~$350
steering
14 reports
severe · ~$700
No reports
body
9 reports
severe · ~$1,500
4 reports
severe · ~$1,500
powertrain
No reports
12 reports
severe · ~$2,500
wheels
11 reports
moderate · ~$400
No reports
tires
8 reports
severe · ~$150
No reports

Common questions

Which is more reliable, the 2007 Buick Lucerne or the 2007 Kia Optima?

It's close to a tie. Both vehicles score within 0.2 points on our reliability index (3.8 vs 3.8). At this margin, either choice is defensible — base your decision on the specific failure modes that matter to you.

What goes wrong more often on the 2007 Buick Lucerne?

Compared to the 2007 Kia Optima, the 2007 Buick Lucerne sees more reported issues in electrical and steering. That doesn't mean it's a bad truck — it means those are the categories worth budgeting for if you go that direction.

What goes wrong more often on the 2007 Kia Optima?

Compared to the 2007 Buick Lucerne, the 2007 Kia Optima has more complaints in airbags and lighting. Whether that's a deal-breaker depends on the cost and severity — see the comparison table above for repair cost ranges.

Which has more recalls?

Both vehicles have 0 active recalls. Total recall count alone isn't a great signal — what matters is severity. See the recall counts by severity in the comparison table.

Is an extended warranty worth it on either of these?

Both vehicles are out of factory bumper-to-bumper coverage at this point. Combined repair exposure across the top problem categories runs around $12,250 on the higher-risk vehicle. A quality service contract typically costs $1,800–3,500 over 3 years, so a single major failure usually pays for the contract. The math favors warranty coverage on whichever vehicle you choose, especially if you plan to keep it past 100,000 miles.

Related comparisons

Reliability scores, complaint counts, and severity ratings derived from the NHTSA public records database. "Repair exposure" is the sum of average independent-shop repair costs across each vehicle's tracked problem categories and is intended as a relative comparison, not an exact prediction. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. Some links on this page are affiliate links.
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