🇯🇵 motor insurance in Japan

Mitsui Sumitomo Super Automobile Insurance vs Tokio Marine TAP Auto

Side-by-side comparison in Japan. For educational purposes only.

FeatureMitsui Sumitomo InsuranceMitsui Sumitomo Super Automobile InsuranceTokio Marine & Nichido Fire InsuranceTokio Marine TAP Auto
Cover rangeN/A – N/AN/A – N/A
Premium range*¥8.5K – ¥26K/yr¥9K – ¥27K/yr
Entry age18 – 99 yrs18 – 99 yrs
RenewabilityAnnualAnnual
Key features
  • MS&AD Group
  • Earthquake/tsunami cover option
  • Online discount 10%
  • Roadside 24hr Japan nationwide
  • Japan largest P&C insurer
  • Top-rated claims service
  • 24hr nationwide roadside
  • Comprehensive TAP total assist plan
View detailsView details

How Mitsui Sumitomo Super Automobile Insurance and Tokio Marine TAP Auto actually compare

Why people compare Mitsui Sumitomo Super Automobile Insurance and Tokio Marine TAP Auto: both are motor insurance plans in Japan that sit in similar feature territory, so the decision tends to come down to a few specific differences rather than a clear winner. Below is what the catalog data says about each — what they share, where they diverge, and which buyer profile each one actually fits.

On illustrative annual premium, Mitsui Sumitomo Super Automobile Insurance starts at ¥8.5K versus ¥9K for Tokio Marine TAP Auto — roughly a 6% gap.

Feature differentiation between the two plans: Mitsui Sumitomo Super Automobile Insurance adds: MS&AD Group, Earthquake/tsunami cover option, Online discount 10%, Roadside 24hr Japan nationwide. Tokio Marine TAP Auto adds: Japan largest P&C insurer, Top-rated claims service, 24hr nationwide roadside, Comprehensive TAP total assist plan. These are the lines to read carefully — the rest of the feature lists overlap, but the items unique to each plan are the practical reasons to pick one over the other.

How to decide between Mitsui Sumitomo Super Automobile Insurance and Tokio Marine TAP Auto: if your priority is the lowest reliable premium and both insurers' claim records satisfy you, pick the cheaper one. If your priority is broader feature coverage or a higher sum insured ceiling, weight the plan with more headroom and verify the exclusions list doesn't contain anything you actually need. For any plan involving complex underwriting, get a quote from both insurers directly — illustrative premiums on a comparison site are starting points, not commitments, and the gap between quoted and listed rate can be material.

Analysis by WBI Editorial Team · Mitsui Sumitomo Super Automobile Insurance details · Tokio Marine TAP Auto details

*Illustrative premiums from public sources. Actual premiums vary. World Best Insurer does not sell insurance. Verify with insurers directly.