For your family
From the school run to the coast.
From school runs and sports practice to a spontaneous afternoon at the beach. The Seal U DM-i brings room for family life and a plug-in hybrid powertrain for short trips and longer journeys.
Room for your everyday plans.

5 seats
425 litres of luggage space, expanding to 1,440 litres with the rear seats folded.

Up to 80 km electric
WLTP electric range for the Boost. Charge for everyday journeys, with petrol for longer trips.

ISOFIX mountings
On the outer rear seats and front passenger seat. Bring your child seat to check the fit.
Specifications according to BYD. The stated electric range is the Boost WLTP test value; actual range depends on factors including weather, load and driving style. Rietmeyer confirms the trim and equipment of the offered car.
BYD specifications, April 2026 edition · More about the Seal U DM-i
A weekend away
Room to take the day as it comes.
Beach bags in the boot, everyone on board. Use your test drive to see how the car fits your own belongings, child seats and favourite route.
- Space you can try for yourself
- Bring your pushchair or sports bags. The rear seats fold in a 40/60 split.
- Charge around your routine
- Talk to Rietmeyer about your daily mileage and charging options at home or at work.
- Your current car is part of the plan
- Request a trade-in proposal with the registration, mileage and photos. Trade-in is possible with outright payment or lease.
Bring the whole family.
Choose a preferred time. We will personally agree the day, time and location with you.
Technical specifications
The Seal U DM-i in numbers.
This overview describes the Boost. We will confirm the offered trim and its specifications in your proposal.
Drivetrain & performance
- Powertrain
- Plug-in hybrid · front-wheel drive
- System power
- 160 kW / 217 PS
- System torque
- 300 Nm
- Petrol engine
- 1,498 cc · 4 cylinders
- Transmission
- Continuously variable
- 0–100 km/h
- 8.9 seconds
- Top speed
- 170 km/h
Battery, range & consumption
- Battery type
- BYD Blade Battery · LFP
- Usable battery capacity
- 18.3 kWh
- Electric range · WLTP
- Up to 80 km
- Combined range · WLTP
- Up to 1,080 km
- Electricity use · WLTP
- 16.9 kWh/100 km
- Petrol · Euro 6.e / 6.e-bis
- 0.7 / 2.2 l/100 km
- CO₂ · Euro 6.e / 6.e-bis
- 16 / 50 g/km
- Fuel tank
- 60 l
Charging & power supply
- Charging connector
- CCS2
- AC charging
- 11 kW · 3-phase
- DC charging
- Up to 18 kW
- AC · 15–100%
- 2 hours at 11 kW
- DC · 30–80%
- 35 minutes
- Power output · V2L
- Up to 3.3 kW
Dimensions & space
- Seats
- 5
- Boot capacity · VDA
- 425 l
- With rear seats folded
- 1,440 l
- Length × height
- 4,775 × 1,670 mm
- Width · mirrors folded / out
- 1,890 / 2,085 mm
- Wheelbase
- 2,765 mm
- Turning circle
- 11.1 m
Weight & towing
- Mass in running order
- 2,015 kg
- Maximum permissible weight
- 2,350 kg
- Trailer · braked
- 750 kg
- Trailer · unbraked
- 750 kg
- Maximum towball load
- 150 kg
- Maximum roof load
- 75 kg
- Tyres / wheels
- 235/50 R19 · 19″
Warranty & maintenance
- Vehicle
- 6 years / 150,000 km
- Battery · minimum 70% capacity
- 8 years / 250,000 km
- Electric motor & ECU
- 8 years / 150,000 km
- Perforation from within
- 12 years · unlimited km
- Charging cable & V2L connector
- 12 months
- Service interval
- 15,000 km / 12 months
Range and consumption are WLTP reference figures; real-world results depend on factors including weather, speed and load. Petrol use and CO₂ are shown for each emissions standard. Charging times assume optimal conditions. Warranty and servicing limits apply at the time or distance reached first; BYD terms apply.