Kia·Automotive·Seoul, South Korea·Founded 1944·Last verified 31 May 2026
28
out of 100
Significant gapsPending Review

Kia discloses comprehensively but emissions trajectory is broken: Scope 1+2 improved 17%, but Scope 3 dominates at 99% of total and grows with record sales. Net-zero 2045 relies on offsets. A decade-old EPA emissions fraud settlement and obstructive trade association lobbying undercut credibility.

The calculation

Every score shows its working.

Same formula for every company. No curve. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale
Industry base impact
Automotive sector ceiling.
35 / 100
Performance score
Sum of the 10 rubric questions, scored 0–10 each.
52 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 35) + (0.7 × 52) = 46.9
Scale penalty
Multiplier based on absolute emissions volume — physics-first.
× 0.6
Final score
Rounded. Significant gaps.
28 / 100
The ten questions

Where Kia is strong, and where it isn't.

Strongest on Carbon Footprint — Operations and Transparency & Accountability (7/10, 7/10). Weakest on Water Impact and Nature & Biodiversity Impact (4/10, 4/10).

Where the evidence comes from

Every document used, listed.

12 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.

[1]Self-reported
Kia Sustainability — Eco Key Achievement
Ongoing
Q1Q2Q3Q5Q7
View →
[2]Third-party verified
Kia Net-Zero Targets — Just Auto Analysis
Unknown
Q3Q8
View →
[3]Self-reported
Kia Response to CDP Climate Change Questionnaire
2025
Q2Q7
View →
[4]Self-reported
Kia 2025 Sustainability Report — GreenTech Lead
2025
Q3Q6
View →
[5]Self-reported
Kia Sustainability — Climate Change
Ongoing
Q4
View →
[6]Self-reported
Kia EU Sustainability
Ongoing
Q5
View →
[7]Self-reported
Kia Sustainability Report Archive
Ongoing
Q9
View →
[8]Self-reported
Kia 2025 Sustainability Report — MarketScreener
2025
Q9
View →
[9]Public record
US DOJ: Hyundai-Kia Emissions Fraud Settlement
2014
Q10
View →
[10]Third-party verified
InfluenceMap: Hyundai-Kia Climate Policy Scorecard
Unknown
Q10
View →
[11]Third-party verified
SBTi Automotive Sector Review — Autocar
Unknown
Q8
View →
[12]Self-reported
Kia Sustainability — About Key Achievement
Ongoing
Q4Q6
View →

If you believe a source has been misread or a newer version exists, submit a challenge.

Kia in context

Where Kia sits among automotive peers.

Among the 24 major automotive brands we've scored, Kia is tied =14th of 24, with 2 others.

=14/24
Kia's rank
30
Industry average
22
Industry low
45
Industry high
How this score has moved

Kia's score over time.

today

Score history begins 4 April 2026.

As Kia's score updates, the trajectory will appear here.

We're backfilling historical scores for FTSE 100 and S&P 100 companies over the coming weeks.

What's being contested

This score is not currently being contested.

Every challenge is published. We'd rather be corrected than wrong — that's the whole point.

No challenges submitted yet. If you have evidence that contradicts this score, you can challenge any question above — cite a public source and we'll review it.

About Kia

Kia Corporation, founded 1944 in Seoul, is a major global automaker producing passenger vehicles, SUVs, and commercial vehicles. It operates manufacturing facilities across Asia, Europe, and North America, with significant EV expansion underway. Listed on DJSI World; revenue ~$80B annually.

Founded
1944
Headquarters
Seoul, South Korea
Employees
~52,000
Annual revenue
~$73B
Company website ↗
Track Kia

We'll let you know when the score moves.

Email alerts when a rubric question is verified, a challenge is resolved, or the overall score changes.

THE SUNDAY RUNDOWN

Which companies moved this week, and why.

One email, every Sunday. Score changes, new research, the stories behind the numbers. Free.

No spam. Unsubscribe in one click.

HOW SINK STAYS INDEPENDENT

Readers and institutions support our work. Companies can pay to submit evidence we couldn't find. Neither type of payment changes a score.