BYD

K9 30-seat City Bus

Electric bus · M3 · Updated 2026-03

BYD K9 city bus — widely deployed in Irish towns and cities by local authorities and private operators.

BYD K9 30-seat City Bus — electric bus Ireland 2026
🔍 Tap to enlarge
€270,000 After SEAI grants
300km WLTP ~230km real-world
300WLTP range km324kWh battery
230Real range kmIrish conditions est.
120Max DC kWFast charging
20.0s0–100 km/hAcceleration
€270,000Net priceAfter grants
€403Motor tax/yrM3 bus rate

⚙️ Technical specifications

Battery capacity324 kWh
WLTP range300 km
Real-world range (Ireland)~230 km
Acceleration (0–100 km/h)20.0s
Top speed100 km/h
Torque2,000 Nm
DrivetrainRWD
Max DC charge rate120 kW
Max AC charge rate22 kW
ConnectorsCCS · Type 2
Seats30
Dimensions
Length12,000 mm
Width2,550 mm
Height3,400 mm
Battery warranty8 years / 600,000 km
CO₂ emissions0 g/km
🏁 WLTP range300km
🇮🇪 Real-world (Irish)~230km

Estimates based on mixed Irish motorway/urban driving. Actual range varies with speed, temperature, load and driving style.

BYD highlights

🔋
Blade Battery (LFP)
Safer, longer lifespan — charge to 100% daily without degradation
🏭
World's largest EV maker
BYD makes its own batteries, motors, chips and software
🔌
V2L capable
Vehicle-to-load on select models — power devices from the car

💰 Irish pricing & incentives

List price (inc. 23% VAT)€290,000
SEAI Bus Grant− €20,000
Net price after grants€270,000

💡 Total savings of €20,000. Always verify eligibility at seai.ie.

SEAI Bus Grant €20,000 Motor tax €403/yr
Estimated annual running costs (80,000km)
Home/depot charging (€0.24/kWh)~€20,736
Public charging (€0.49/kWh avg)~€42,336
Motor tax€403/yr
Saving vs diesel equivalent (€1.65/L)~€32,064/yr
💡 Fuel savings: At €0.24/kWh depot charging rate vs diesel at €1.65/L, annual fuel savings on the K9 at 25,000km are typically €2,000–€4,000 depending on route profile.

🇮🇪 K9 on Irish routes

Route range analysis for typical Irish city, regional and depot-return bus operations.

🏙️ City circular route (daily) 200km · Depot return
✅ Comfortably within daily range
🛣️ Intercity Dublin → Cork 260km · M8
⚡ Charge stop recommended
🛤️ Intercity Dublin → Galway 220km · M6
✅ Single charge — 10km remaining
🏘️ Commuter route (Cork suburbs) 120km · Daily return
✅ Single charge — 110km remaining
🏫 School bus daily route 60km · /day
✅ Single charge — 170km remaining
🌙 Night service depot return 150km · Overnight
✅ Possible on one charge

Based on ~230km estimated real-world range. Actual range varies with load, speed and conditions.

👥 Is the K9 right for you?

City circular route (200km/day)✅ Single charge
Intercity service✅ Direct route possible
Passenger capacity✅ 30 seats
SEAI / NTA grant eligible✅ €20,000 grant
Depot overnight charging✅ 50kW+ DC recommended
Fleet procurement (public sector)✅ Suitable
Motor tax€403/yr
💡 Best for: Urban city bus routes.

⚡ Charging guide

🏠 7.4kW home wallbox (0–100%)~44h
🏠 11kW three-phase (0–100%)~30h
🏢 22kW AC (0–100%)~15h
⚡ 50kW ESB ecars DC (10–80%)~272min
🚀 120kW DC ultra-fast (10–80%)~113min
Connectors (DC)CCS
Connectors (AC)Type 2
🔌 Irish networks: Compatible with ESB ecars, Ionity, EasyGo, Circle K and Applegreen via CCS. BYD vehicles support up to 150kW DC on compatible passenger cars.

BYD's proprietary Blade Battery uses lithium iron phosphate (LFP) chemistry — more thermally stable than NMC cells, with a longer cycle life. LFP cells can be charged to 100% daily without the long-term capacity loss that affects NMC batteries.

📐 Dimensions & cargo

Length12,000 mm
Width2,550 mm
Height3,400 mm
TowingNot rated
Seats30
Battery warranty8 years / 600,000 km
🔋 Battery warranty: 8 years / 600,000 km. Manufacturer covers against capacity loss below 70%.

❓ Frequently asked questions — BYD K9 30-seat City Bus

The BYD K9 30-seat City Bus has an Irish list price of €290,000 (including 23% VAT). After the SEAI Bus Grant of €20,000, the net cost is approximately €270,000. Confirm current pricing with your authorised dealer and verify grant eligibility at seai.ie.
The BYD K9 30-seat City Bus has a WLTP official range of 300km. In real-world Irish conditions — stop-start delivery routes, cold mornings and motorway runs with payload — expect approximately 230km per charge. This suits depot-based daily operations comfortably.
The BYD K9 30-seat City Bus may qualify for the SEAI Bus Grant of €20,000 for M3 category vehicles. Public operators should also explore NTA (National Transport Authority) fleet decarbonisation grants and EU Connecting Europe Facility funding. Contact SEAI and NTA directly for current eligibility and application procedures.
The BYD K9 30-seat City Bus has a WLTP range of 300km and an estimated operational range of 230km under typical Irish city conditions. For city circular routes returning to depot nightly, this comfortably covers 200–280km of daily service. Overnight depot charging on a 50–150kW DC charger is the recommended charging strategy.
The BYD K9 30-seat City Bus supports up to 120kW DC and 22kW AC charging. For fleet operators, a dedicated depot charging station with 50–150kW DC per vehicle is standard. Overnight AC charging at 22kW provides a full charge in approximately 15 hours. ESB ecars Business, EasyGo Fleet and several other Irish suppliers provide depot charging solutions. SEAI infrastructure grants of up to 75% of installation costs may apply.
BYD (Build Your Dreams) is the world's largest electric vehicle manufacturer by sales volume. Founded in 1995 as a battery company, BYD is vertically integrated — manufacturing its own batteries, motors, semiconductors and software. Warren Buffett's Berkshire Hathaway has held a significant stake since 2008. In Ireland, BYD is distributed through an authorised dealer network.
BYD's Blade Battery is an LFP cell arranged in a flat, blade-like configuration directly inside the battery pack — removing the module layer, increasing energy density and structural rigidity. It uses safer LFP chemistry that does not produce thermal runaway under damage or overcharge. BYD Blade Batteries have passed the nail penetration test without smoking or catching fire.
The BYD K9 30-seat City Bus supports up to 120kW DC and 22kW AC charging. At a 7.4kW home wallbox, a full charge takes approximately 44 hours. At a 50kW ESB ecars rapid charger, 10–80% takes around 272 minutes. At the maximum 120kW DC rate, 10–80% takes approximately 113 minutes.
The BYD K9 30-seat City Bus uses CCS (DC fast charging) and Type 2 (AC), compatible with all major Irish networks including ESB ecars, Ionity, EasyGo, Circle K and Applegreen.
Motor tax for the BYD K9 30-seat City Bus is €403 per year — the applicable rate for this M3 large bus category. Bus and minibus motor tax in Ireland is based on passenger capacity and vehicle class, not CO₂ emissions. Confirm the exact rate for your registration with the local Motor Tax Office or at motortax.ie.

🔍 Also consider

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Mercedes-Benz eCitaro
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