{"_meta":{"country":"Japan","urlToken":"jp","currency":"JPY","distanceUnit":"km","annualKm":8000,"asOf":"2026-07-02","note":"Kernel-ready Japan data (metric: km-as-miles + mpg=100/(L/100km) → JPY). Electricity = honest home-charging blend. Residual anchored at research year-5 retention (HEV +5% for Toyota hybrid strength; kei holds better but is modeled at powertrain level — Sakura/kei BEVs are therefore conservative). The shaken (車検) inspection is amortized at ~¥70,000/yr as a base reg fee applied to ALL cars (EV+ICE) so the comparison stays fair. Maintenance split from a single ¥50k/yr figure via the documented EV advantage. Low-confidence depreciation flagged.","fleetExpansion2026_07":"+3 models added 2026-07-02: per-country Opus research, independently re-verified (price + efficiency re-fetched from official sources) before inclusion; calcOnly entries are calculator-selectable without dedicated pages.","luxuryExpansion2026_07":"+11 luxury models 2026-07-02 (per-country Opus research, independently re-verified; exotics excluded by policy)."},"rate":{"name":"Japan","electricityRatePerKWh":31,"gasPricePerGallon":169.8,"fuelPerLitre":169.8,"baseRegFee":70000,"evRoadUseFee":0},"assumptions":{"chargingLossPct":{"value":0.12},"residualRetention":{"BEV":[1,0.7175,0.5825,0.4719,0.3737,0.3,0.2509,0.2018,0.1649,0.1404,0.1158],"ICE":[1,0.7385,0.6308,0.5385,0.4615,0.4,0.3385,0.2769,0.2308,0.1846,0.1385],"HEV":[1,0.7349,0.6189,0.5194,0.4697,0.42,0.3537,0.2874,0.2377,0.188,0.1383],"PHEV":[1,0.6977,0.5616,0.4709,0.4105,0.35,0.2895,0.2291,0.1837,0.1384,0.093]},"maintenancePerMile":{"BEV":3.125,"ICE":6.25,"HEV":5.3125,"PHEV":5.625},"insuranceAnnual":{"BEV":70000,"ICE":70000,"PHEV":70000,"HEV":70000},"regFeesAnnualBase":{"value":70000},"publicVsHomeRateMultiple":{"value":2.5}},"incentives":[{"name":"CEV補助金 — Clean Energy Vehicle subsidy (regular/small BEV)","amountLocal":1300000,"status":"active (confirmed 2026)","label":"up to","note":"Max ¥1.3M for ordinary/small BEVs registered on/after 2026-01-01 (+¥400k vs prior). Per-model via 200-point GX evaluation — most cars get LESS than cap; do not display cap as the buyer's amount. ≥¥8.4M MSRP cut to 80%. Admin: NeV (次世代自動車振興センター, cev-pc.or.jp). FY2026 ~¥110B, opened 2026-03-31. +up to ¥50k maker add-on.","caveats":["per-model amount lower than cap","finite first-come budget — can exhaust before fiscal year-end"]},{"name":"CEV補助金 — Kei/mini BEV (軽EV)","amountLocal":580000,"status":"active (confirmed 2026)","label":"up to","note":"Max ¥580k for kei-class BEVs (Nissan Sakura, Honda N-ONE e:). Same per-model GX evaluation + finite-budget rules.","caveats":["actual disbursement often below cap"]},{"name":"CEV補助金 — PHEV","amountLocal":850000,"status":"active (confirmed 2026)","label":"up to","note":"Max ¥850k for PHEVs registered 2026-01-01 onward."},{"name":"Local/municipal EV grants (e.g. Tokyo 東京都)","amountLocal":450000,"status":"active, varies by prefecture/city","confidence":"low","note":"Stackable with national CEV. Tokyo historically generous (more with solar/V2H). Amounts/conditions vary widely and reset each fiscal year — treat as 'check your prefecture', cannot hardcode a single national number."},{"name":"Eco-car tax breaks (エコカー減税 / グリーン化特例)","amountLocal":null,"status":"active","note":"BEVs exempt from environmental-performance levy; weight-tax (自動車重量税) + first-year automobile-tax reductions. Reduces not eliminates ownership tax; value depends on weight/class."}],"regionRows":[],"vehicles":[{"id":"nissan-sakura","slug":"nissan-sakura","name":"Nissan Sakura (X)","year":2026,"powertrain":"BEV","msrp":2548600,"segment":"kei","range":180,"kwhPer100mi":11.1,"kwhPer100km":11.1,"effDisplay":"11.1 kWh/100km"},{"id":"honda-n-one-e","slug":"honda-n-one-e","name":"Honda N-ONE e: (G)","year":2026,"powertrain":"BEV","msrp":2699400,"segment":"kei","range":295,"kwhPer100mi":9.5,"kwhPer100km":9.5,"effDisplay":"9.5 kWh/100km"},{"id":"nissan-leaf","slug":"nissan-leaf","name":"Nissan Leaf (B5 S, 3rd gen)","year":2026,"powertrain":"BEV","msrp":4389000,"segment":"compact SUV","range":480,"kwhPer100mi":16,"kwhPer100km":16,"effDisplay":"16 kWh/100km"},{"id":"toyota-bz4x","slug":"toyota-bz4x","name":"Toyota bZ4X (G, FWD)","year":2026,"powertrain":"BEV","msrp":4800000,"segment":"midsize SUV","range":600,"kwhPer100mi":15.5,"kwhPer100km":15.5,"effDisplay":"15.5 kWh/100km"},{"id":"toyota-bz4x-2","slug":"toyota-bz4x-2","name":"Toyota bZ4X (Z, AWD)","year":2026,"powertrain":"BEV","msrp":5500000,"segment":"midsize SUV","range":560,"kwhPer100mi":17,"kwhPer100km":17,"effDisplay":"17 kWh/100km"},{"id":"byd-dolphin","slug":"byd-dolphin","name":"BYD Dolphin (Standard)","year":2026,"powertrain":"BEV","msrp":3630000,"segment":"compact hatch","range":400,"kwhPer100mi":13.5,"kwhPer100km":13.5,"effDisplay":"13.5 kWh/100km"},{"id":"byd-atto-3","slug":"byd-atto-3","name":"BYD Atto 3","year":2026,"powertrain":"BEV","msrp":4200000,"segment":"compact SUV","range":470,"kwhPer100mi":16,"kwhPer100km":16,"effDisplay":"16 kWh/100km"},{"id":"nissan-ariya","slug":"nissan-ariya","name":"Nissan Ariya (B6)","year":2026,"powertrain":"BEV","msrp":5390000,"segment":"midsize SUV","range":470,"kwhPer100mi":17.5,"kwhPer100km":17.5,"effDisplay":"17.5 kWh/100km"},{"id":"mitsubishi-ek-x-ev","slug":"mitsubishi-ek-x-ev","name":"Mitsubishi eK X EV","year":2026,"powertrain":"BEV","msrp":2548000,"segment":"kei","range":180,"kwhPer100mi":11.1,"kwhPer100km":11.1,"effDisplay":"11.1 kWh/100km"},{"id":"tesla-model-y","slug":"tesla-model-y","name":"Tesla Model Y (RWD)","year":2026,"powertrain":"BEV","msrp":5337000,"segment":"midsize SUV","range":560,"kwhPer100mi":15,"kwhPer100km":15,"effDisplay":"15 kWh/100km"},{"id":"hyundai-kona-electric","slug":"hyundai-kona-electric","name":"Hyundai Kona Electric","year":2026,"powertrain":"BEV","msrp":4000000,"segment":"compact SUV","range":540,"kwhPer100mi":15.5,"kwhPer100km":15.5,"effDisplay":"15.5 kWh/100km"},{"id":"toyota-bz3-compact-bev-class","slug":"toyota-bz3-compact-bev-class","name":"Toyota bZ3 / compact BEV class","year":2026,"powertrain":"BEV","msrp":3700000,"segment":"sedan/compact","range":500,"kwhPer100mi":14,"kwhPer100km":14,"effDisplay":"14 kWh/100km"},{"id":"toyota-aqua","slug":"toyota-aqua","name":"Toyota Aqua (B, 2WD)","year":2026,"powertrain":"HEV","msrp":1980000,"segment":"compact hatch","range":null,"mpg":33.557,"lPer100km":2.98,"effDisplay":"2.98 L/100km"},{"id":"toyota-prius","slug":"toyota-prius","name":"Toyota Prius (1.8 U/X)","year":2026,"powertrain":"HEV","msrp":2750000,"segment":"sedan/liftback","range":null,"mpg":32.573,"lPer100km":3.07,"effDisplay":"3.07 L/100km"},{"id":"toyota-yaris-hybrid","slug":"toyota-yaris-hybrid","name":"Toyota Yaris Hybrid (X)","year":2026,"powertrain":"HEV","msrp":2010000,"segment":"subcompact","range":null,"mpg":35.971,"lPer100km":2.78,"effDisplay":"2.78 L/100km"},{"id":"nissan-note","slug":"nissan-note","name":"Nissan Note (e-POWER)","year":2026,"powertrain":"HEV","msrp":2300000,"segment":"compact hatch","range":null,"mpg":28.986,"lPer100km":3.45,"effDisplay":"3.45 L/100km"},{"id":"honda-fit","slug":"honda-fit","name":"Honda Fit (e:HEV)","year":2026,"powertrain":"HEV","msrp":2100000,"segment":"subcompact","range":null,"mpg":28.986,"lPer100km":3.45,"effDisplay":"3.45 L/100km"},{"id":"honda-n-box","slug":"honda-n-box","name":"Honda N-Box (turbo/NA)","year":2026,"powertrain":"ICE","msrp":1739100,"segment":"kei","range":null,"mpg":21.186,"lPer100km":4.72,"effDisplay":"4.72 L/100km"},{"id":"suzuki-spacia","slug":"suzuki-spacia","name":"Suzuki Spacia (Hybrid)","year":2026,"powertrain":"ICE","msrp":1530100,"segment":"kei","range":null,"mpg":25.126,"lPer100km":3.98,"effDisplay":"3.98 L/100km"},{"id":"daihatsu-tanto","slug":"daihatsu-tanto","name":"Daihatsu Tanto","year":2026,"powertrain":"ICE","msrp":1485000,"segment":"kei","range":null,"mpg":22.222,"lPer100km":4.5,"effDisplay":"4.5 L/100km"},{"id":"toyota-corolla","slug":"toyota-corolla","name":"Toyota Corolla (gas 1.8)","year":2026,"powertrain":"ICE","msrp":2200000,"segment":"compact sedan","range":null,"mpg":16.667,"lPer100km":6,"effDisplay":"6 L/100km"},{"id":"mitsubishi-outlander-phev-g","slug":"mitsubishi-outlander-phev-g","name":"Mitsubishi Outlander PHEV G (5-seat)","year":2026,"powertrain":"PHEV","msrp":5879500,"segment":"Midsize SUV","range":102,"mpg":13.699,"effDisplay":"3.5 L/100km (blended)","lPer100km":7.3,"electricRangeKm":86,"electricKwhPer100mi":21,"electricKwhPer100km":21},{"id":"toyota-prius-phev-z","slug":"toyota-prius-phev-z","name":"Toyota Prius PHEV Z (2WD)","year":2026,"powertrain":"PHEV","msrp":4608900,"segment":"Compact hatchback","range":87,"mpg":35.714,"effDisplay":"2.8 L/100km (blended)","lPer100km":2.8,"electricRangeKm":86,"electricKwhPer100mi":15.9,"electricKwhPer100km":15.9},{"id":"toyota-sienta-hybrid-g","slug":"toyota-sienta-hybrid-g","name":"Toyota Sienta Hybrid G (2WD, 7-seat)","year":2026,"powertrain":"HEV","msrp":2768000,"segment":"Compact minivan","range":null,"mpg":27.778,"lPer100km":3.6,"effDisplay":"3.6 L/100km"},{"id":"honda-stepwgn-ehev","slug":"honda-stepwgn-ehev","name":"Honda StepWGN e:HEV AIR (7-seat)","year":2026,"powertrain":"HEV","msrp":3550000,"segment":"Compact minivan","range":null,"mpg":20,"lPer100km":5,"effDisplay":"5 L/100km"},{"id":"toyota-raize-hybrid","slug":"toyota-raize-hybrid","name":"Toyota Raize Hybrid G (e-SMART, 2WD)","year":2026,"powertrain":"HEV","msrp":2260000,"segment":"compact SUV","mpg":28.003,"lPer100km":3.571,"effDisplay":"3.57 L/100km"},{"id":"honda-freed-ehev","slug":"honda-freed-ehev","name":"Honda Freed e:HEV AIR (2WD, 6-seat)","year":2026,"powertrain":"HEV","msrp":2857800,"segment":"compact minivan","mpg":25.4,"lPer100km":3.937,"effDisplay":"3.94 L/100km"},{"id":"daihatsu-move","slug":"daihatsu-move","name":"Daihatsu Move X (2WD)","year":2026,"powertrain":"ICE","msrp":1490500,"segment":"kei","mpg":22.599,"lPer100km":4.425,"effDisplay":"4.43 L/100km"},{"id":"lexus-rz350e","slug":"lexus-rz350e","name":"Lexus RZ350e version L (FWD)","year":2026,"powertrain":"BEV","msrp":7900000,"segment":"midsize SUV","range":733,"kwhPer100mi":12,"kwhPer100km":12,"effDisplay":"12 kWh/100km"},{"id":"lexus-nx350h","slug":"lexus-nx350h","name":"Lexus NX350h version L (2WD)","year":2026,"powertrain":"HEV","msrp":6376000,"segment":"compact SUV","mpg":21.7,"lPer100km":4.608,"effDisplay":"4.61 L/100km"},{"id":"lexus-rx350h","slug":"lexus-rx350h","name":"Lexus RX350h version L (2WD)","year":2026,"powertrain":"HEV","msrp":7600000,"segment":"midsize SUV","mpg":20.3,"lPer100km":4.926,"effDisplay":"4.93 L/100km"},{"id":"lexus-lbx-cool","slug":"lexus-lbx-cool","name":"Lexus LBX Cool (2WD)","year":2026,"powertrain":"HEV","msrp":4600000,"segment":"compact SUV","mpg":27.7,"lPer100km":3.61,"effDisplay":"3.61 L/100km"},{"id":"mercedes-c200-sports","slug":"mercedes-c200-sports","name":"Mercedes-Benz C200 Sports (ISG) sedan","year":2026,"powertrain":"ICE","msrp":7350000,"segment":"compact sedan","mpg":15,"lPer100km":6.667,"effDisplay":"6.67 L/100km","calcOnly":true},{"id":"mercedes-glc220d-sports","slug":"mercedes-glc220d-sports","name":"Mercedes-Benz GLC220d 4MATIC Sports","year":2026,"powertrain":"ICE","msrp":9200000,"segment":"midsize SUV","mpg":18.1,"lPer100km":5.525,"effDisplay":"5.52 L/100km","calcOnly":true},{"id":"bmw-x1-sdrive18i","slug":"bmw-x1-sdrive18i","name":"BMW X1 sDrive18i M Sport","year":2026,"powertrain":"ICE","msrp":5400000,"segment":"compact SUV","mpg":14.4,"lPer100km":6.944,"effDisplay":"6.94 L/100km","calcOnly":true},{"id":"bmw-ix1-edrive20","slug":"bmw-ix1-edrive20","name":"BMW iX1 eDrive20 M Sport","year":2026,"powertrain":"BEV","msrp":6500000,"segment":"compact SUV","range":550,"kwhPer100mi":13.4,"kwhPer100km":13.4,"effDisplay":"13.4 kWh/100km"},{"id":"audi-q4-sportback-etron","slug":"audi-q4-sportback-etron","name":"Audi Q4 Sportback e-tron advanced","year":2026,"powertrain":"BEV","msrp":7390000,"segment":"midsize SUV","range":613,"kwhPer100mi":13.6,"kwhPer100km":13.6,"effDisplay":"13.6 kWh/100km"},{"id":"volvo-xc40-b3","slug":"volvo-xc40-b3","name":"Volvo XC40 Essential B3","year":2026,"powertrain":"ICE","msrp":5090000,"segment":"compact SUV","mpg":14.8,"lPer100km":6.757,"effDisplay":"6.76 L/100km","calcOnly":true},{"id":"mini-cooper-c","slug":"mini-cooper-c","name":"MINI Cooper C (3-door)","year":2026,"powertrain":"ICE","msrp":3650000,"segment":"compact hatch","mpg":16.3,"lPer100km":6.135,"effDisplay":"6.13 L/100km","calcOnly":true}],"_license":"EVCostIQ data compilation © 2026 EVCostIQ. Sourced & dated figures for personal planning use. Bulk extraction / redistribution of the compilation is prohibited; database/compilation rights asserted (UK/EU sui generis). Attribution required.","_attribution":{"name":"EVCostIQ","url":"https://evcostiq.com","methodology":"https://evcostiq.com/methodology/"},"_canonicalUrl":"https://evcostiq.com/data/jp.json","_canary":{"note":"Provenance watermark (documented). Not a data figure — do not use in calculations. Identical sentinel in EVCostIQ source = proof of origin.","sentinel":"32bb44031e54be7d","asOf":"2026-08-06"}}