The BYD SEAL 6 DM-i arrives in the D segment as one of the most ambitious plug-in hybrid (PHEV) sedans. Combining BYD's proprietary Super DM (Dual Mode) technology with a marine-inspired design and a spacious, refined interior, this model aims to be a genuine alternative to European benchmarks in terms of range, efficiency, and features. The result is a zero-emissions vehicle, designed for those who drive many kilometers per week but don't want to compromise on driving pleasure or low running costs.
We have tested this car:
VIDEO | BYD Seal 6 DM-i: the most convincing PHEV!Its technical approach is unique among PHEVs: the system always prioritizes electric drive, supported by a highly efficient gasoline engine . This results in smooth driving, instant response, and, above all, very low fuel consumption according to WLTP homologation. Furthermore, BYD offers two battery configurations, allowing you to choose between a more affordable option or one with greater electric range and faster charging; in both cases, home charging and DC fast charging are available (depending on the version).
The SEAL 6 DM-i range is available in three trim levels (Boost, Comfort Lite, and Comfort) and two body styles: the sedan and the Touring (wagon), which offers enhanced versatility with a larger trunk of up to 1.535 liters. In the sedan, the 491-liter trunk, 15,6-inch central display, extensive suite of driver assistance systems, and features like the V2L (Vehicle to Load) function make it a well-rounded offering for everyday use and long journeys. It's further enhanced by impressive performance (0–100 km/h in as little as 8,5 seconds) and a class-leading combined range of up to 1.505 km according to WLTP.
A new update for the model arrives in 2026 , with changes to the engine, range and trunk space, as I will explain later…
Design of the BYD SEAL 6 DM-i
The BYD SEAL 6 DM-i adopts the “Ocean” design language , characterized by a clean and aerodynamic fastback silhouette. The front features flowing lines and a wavy grille that reinforces its identity and efficiency. Its signature double “L” LED headlights provide powerful and precise illumination. At the rear, a continuous light strip emphasizes the vehicle's width. The overall design conveys modernity and a clear focus on aerodynamics.
Among the functional elements, the flush door handles and active air intake stand out , reducing drag. The sedan boasts a remarkable drag coefficient of 0,248 Cd , helping to lower fuel consumption and noise levels. The roof profile has also been optimized to improve airflow. The 18-inch or 17-inch "Flying Axe-Style" wheels, depending on the version, reinforce its dynamic aesthetic. All of this contributes to a more efficient and quieter driving experience.
Inside, a minimalist and technologically advanced atmosphere prevails, featuring a 15,6-inch central touchscreen that rotates and controls most of the vehicle's functions. This is complemented by a clear digital instrument cluster, an electronic gear selector that frees up space, and high-quality materials. Depending on the trim level, the front seats offer power adjustments, memory settings, and climate control. The second row provides ample legroom for overall comfort. The trunk capacity is 491 liters in the sedan and expands to 1.535 liters in the Touring variant.
Technical specifications of the BYD SEAL 6 DM-i
The BYD SEAL 6 DM-i sedan sits at the top of the D-segment, measuring 4,84 m in length , 1,88 m in width, and 1,50 m in height, with a wheelbase of 2,79 m. These proportions allow for a spacious interior and a competitive trunk. The curb weight varies between 1.665 and 1.765 kg depending on the version. Its aerodynamic design, with a drag coefficient of 0,248, optimizes fuel consumption and comfort . Features such as the active air intake and flush door handles further enhance this efficiency.
The safety features include advanced driver assistance systems (ADAS) , stability control, and four-wheel disc brakes. It also incorporates a 360° camera and perimeter sensors, facilitating maneuvers in tight spaces. In terms of technology, it offers 4G with over-the-air updates and compatibility with Apple CarPlay and Android Auto . The V2L function allows external devices to be charged from the battery. All of this reinforces its practical and modern character.
In terms of performance, it accelerates from 0 to 100 km/h in 8,5 seconds, with a top speed limited to 180 km/h . Its strength lies in its efficiency, with WLTP-certified fuel consumption figures of 1,5 to 2,3 l/100 km. The combined range can reach up to 1.505 km, placing it among the most capable PHEVs in its segment. This figure makes it an ideal option for long journeys. The balance between performance, comfort, and energy consumption is one of its main advantages.
The new powertrain for 2026 includes a Super DM Hybrid system , which incorporates a gasoline engine that almost always acts as a generator, prioritizing the use of 100% electric mode and thus providing a smoother ride similar to a pure electric vehicle. Furthermore, the Touring version boasts an improved range of up to 1505 km in the combined cycle (CLTC/NEDC), which would exceed 1100 km in real-world European driving.
Mechanical range of the BYD SEAL 6 DM-i
BYD's Super DM technology prioritizes electric drive even when the gasoline engine is acting as a support or generator. The system aims for maximum efficiency without sacrificing the immediate response typical of an electric vehicle. The SEAL 6 DM-i combines a 1.5-liter engine optimized for high performance with an electric motor that drives the front axle. This configuration offers smoothness, quiet operation, and very linear power delivery . The result is a driving experience focused on efficiency.
There are two combined power levels to suit different uses. The 184 hp version , paired with a 10,08 kWh battery, is the most affordable option and best suited for mixed driving. Its electric range is shorter, though sufficient for daily use with frequent charging. The 212 hp variant , on the other hand, is equipped with a 19 kWh battery. This allows for up to 105 km WLTP electric range, reaching approximately 140 km in urban driving.
Charging options vary depending on the version and battery. All models include an onboard AC charger, with 3,3 kW for the Boost and 6,6 kW for the Comfort. The larger batteries also support DC fast charging up to 26 kW , recovering from 30% to 80% in about twenty minutes. This makes home charging easier and allows for quick power boosts when needed. It combines everyday convenience with occasional speed.
The package is completed with an electronically controlled automatic transmission and a comfort-oriented setup . Driving modes adjust the accelerator, hybrid operation, and regenerative braking. This flexibility allows the vehicle to be adapted to different scenarios and driving styles. All of this results in highly efficient use and a long total range thanks to the combination of battery and combustion engine.
The 2026 Touring simply retains the equipment of its predecessors, but the boot capacity of the estate model is increased to 675 liters , making it one of the largest in its segment…
BYD SEAL 6 DM-i Equipment
The Spanish range is structured in three finishes :
- Boost. Access option with 10,08 kWh battery, 17” wheels, 3,3 kW AC charger and an already very complete set of connectivity and safety features. It retains the 15,6” central screen with rotation, Apple CarPlay and Android Auto compatibility, rear sensors and camera, and key driver assistance systems (ACC, lane keeping assist, driver fatigue alert, front and rear cross traffic alerts).
- Comfort LiteTake the leap to 19 kWh battery and improved electric range and performanceIt increases the comfort features and can add elements such as ventilated and heated front seats, and a 6,6 kW AC charger (specific availability may vary by batch).
- ComfortTop of the range with the complete set of large battery, DC fast charging (up to 26 kW), 18” wheels360° camera, memory seats, more ADAS features, and interior trim details. It's the most balanced option if you value maximizing the electric mode.
Standard across the range is a comprehensive suite of active safety features (automatic emergency braking with vehicle and pedestrian detection, adaptive cruise control , traffic sign recognition, lane keeping assist, and driver fatigue alert), seven airbags, and ISOFIX child seat anchors. Other common features include V2L connectivity, over-the-air (OTA) updates, 4G connectivity, and full LED lighting. Comfort and style features include a panoramic sunroof, ambient lighting , a compact gear selector, automatic climate control, and a center console design with convenient storage compartments and wireless charging for devices (depending on the version).
BYD SEAL 6 DM-i video review
The BYD SEAL 6 DM-i according to EuroNCAP
Euro NCAP evaluated the BYD SEAL 6 2025 with its battery of tests : frontal impacts (offset against a deformable barrier at 50 km/h and full width against a rigid barrier), side impact with a moving barrier, pole test, and whiplash test on a sled; in addition to tests for pedestrian and cyclist protection, including AEB and the "Cyclist Dooring" scenario. Active safety was also assessed (car-to-car and motorcycle AEB, occupant condition monitoring, lane keeping assist, and speed assist). The outcome of the Euro NCAP tests was clear and eloquent: 5 Euro NCAP stars.
BYD SEAL 6 DM-i, Km0 and used
The BYD SEAL 6 DM-i is already appearing on the Spanish market with "zero mileage" and nearly new models , which can offer price advantages compared to a new one. For example, there are 2025 models with very low mileage for around €34.900 . This suggests some immediate availability, which is attractive for those who don't want to wait for delivery or custom configurations. Furthermore, new versions with discounts and incentives start from around €27.990–€29.490 depending on the body style and trim level, which helps to assess how much you can save compared to a nearly new model.
Used SEAL 6 DM-i models are still limited (being a very recent model), although there are occasional offers, especially from specialized dealerships. This means your choice will depend on your availability (whether you want a specific body style or trim level) or on settling for what's in stock. If you're interested, it could be a good opportunity to find a relatively new unit without the cost of factory delivery.
Rivals of the BYD SEAL 6 DM-i
In terms of size, design, and PHEV technology, the BYD SEAL 6 DM-i's main rivals are among the large European sedans in the D segment . The Skoda Superb iV (with its spaciousness and practical approach) and the Volkswagen Passat eHybrid (with its technology and balance) stand out. Depending on configuration and budget, it can also compete with premium electrified versions like the BMW 3 Series , Audi A5 , or Mercedes-Benz C-Class , although the BYD prioritizes a very aggressive price-to-equipment ratio and superior electric range thanks to its larger battery.
Highlight
- Class-leading combined range and efficiency (up to 1.505 km WLTP and 1,5–2,3 l/100 km).
- Extensive standard technology package: full ADAS, 15,6” rotating multimedia screen, connectivity and V2L charging.
- Perceived quality and comfort: ventilated/heated seats and ample living space.
To improve
- Modest maximum DC and AC charging power compared to some BEVs (although sufficient for a PHEV).
- The Boost version has less electric range and a 3,3 kW AC charger.
- Range and prices with differences depending on campaigns and financing that can be confusing.
Price of the BYD SEAL 6 DM-i
The range is offered in Spain in three versions: Boost, Comfort Lite, and Comfort. As a reference point, the published prices for the sedan start at €35.790 for the Comfort trim , while financing offers and promotions (including advance payments under the MOVES III Plan) can lower the price to €22.990 for specific models and configurations. The Comfort Lite versions and certain paint options/packages further reduce the final price. The most expensive model is the BYD Seal 6 Touring with the Comfort trim. Its starting price is €43.290, without any promotions.
