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Surcharge rule: on 1 April, petrol/LPG cars more than 13 years and diesel cars more than 11 years after first registration pay about 15% more (buses and lorries about 10%); EVs, natural-gas, methanol and petrol hybrids are excluded

ガソリン・LPG 13年超／ディーゼル 11年超 → 概ね15%重課 rule

standing figure · verified 2026-10-24 against the official source · next expected change 2027-04-01

２ 環境負荷の大きい自動車に対する重課 適用対象 4月1日現在、初回新規登録後 ・ディーゼル自動車…11年を超えるもの ・ガソリン自動車・ＬＰＧ自動車…13年を超えるもの 重課率 概ね15％（※バス・トラックは概ね10%の重課です。） 対象外 ・電気・天然ガス・メタノール自動車・ハイブリッド自動車（ガソリンを燃料とするもの） ・一般乗合用バス・スクールバス ・被けん引車
key
jp/auto-tax/heavy-surcharge-rule
value
ガソリン・LPG 13年超／ディーゼル 11年超 → 概ね15%重課 rule
period
—
effective
— to date
source
https://www.tax.metro.tokyo.lg.jp/kazei/car_shubetsu.html
verified
2026-10-24 — fresh (13 days ago; next check by 2026-11-28)
next expected change
2027-04-01 (annual: a fixed day each year)
source checked
2026-11-02 (the newest day the automated check fetched the source page)
scope
自家用 passenger cars (3, 5 or 7 plates), annual amount charged to the owner on 1 April (月割 in the year of registration), standard rate as levied by Tokyo; bands are by 総排気量. The column depends on the first-registration date (on/after or before 2019-10-01). Called 自動車税種別割 until 2026-03-31.
hash
sha256:30391d7ebd9df2333a87772675a6dbf04e07cafc680cd0e1d401344bda271e9e
signature
EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/jp/auto-tax/heavy-surcharge-rule?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/jp/auto-tax/heavy-surcharge-rule

{
  "protocol": "verified-facts/0.3",
  "key": "jp/auto-tax/heavy-surcharge-rule",
  "label": "Surcharge rule: on 1 April, petrol/LPG cars more than 13 years and diesel cars more than 11 years after first registration pay about 15% more (buses and lorries about 10%); EVs, natural-gas, methanol and petrol hybrids are excluded",
  "value": "ガソリン・LPG 13年超／ディーゼル 11年超 → 概ね15%重課",
  "unit": "rule",
  "period": null,
  "effectiveFrom": null,
  "effectiveTo": null,
  "source": "https://www.tax.metro.tokyo.lg.jp/kazei/car_shubetsu.html",
  "quote": "２ 環境負荷の大きい自動車に対する重課 適用対象 4月1日現在、初回新規登録後 ・ディーゼル自動車…11年を超えるもの ・ガソリン自動車・ＬＰＧ自動車…13年を超えるもの 重課率 概ね15％（※バス・トラックは概ね10%の重課です。） 対象外 ・電気・天然ガス・メタノール自動車・ハイブリッド自動車（ガソリンを燃料とするもの） ・一般乗合用バス・スクールバス ・被けん引車",
  "verifiedDate": "2026-10-24",
  "nextScheduledRefresh": "2026-11-28",
  "changeCadence": "annual",
  "nextExpectedChange": "2027-04-01",
  "sourceCheckedAt": "2026-11-02",
  "status": "fresh",
  "ageDays": 13,
  "maxAgeDays": null,
  "scope": "自家用 passenger cars (3, 5 or 7 plates), annual amount charged to the owner on 1 April (月割 in the year of registration), standard rate as levied by Tokyo; bands are by 総排気量. The column depends on the first-registration date (on/after or before 2019-10-01). Called 自動車税種別割 until 2026-03-31.",
  "hash": "sha256:30391d7ebd9df2333a87772675a6dbf04e07cafc680cd0e1d401344bda271e9e",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..sDjvUkRwA5xFUr_GUtcs0fETdSoF0Z1Hv-1ymf_5R8_zJlafRujdXDRN7IAPwoLRruQ_gMQysagaaRvOsKyxCg",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/jp/auto-tax/heavy-surcharge-rule",
    "text": "databutler.dev, verified 2026-10-24 against https://www.tax.metro.tokyo.lg.jp/kazei/car_shubetsu.html"
  }
}