GAC, BYD and Geely describe safety through different engineering names, but those names sit at different points in the evidence. GAC introduced Starship Body in 2026; BYD's SEALION 7 safety release identifies Cell-to-Body construction; and Geely connects EX5 with its GEA architecture. The useful comparison is how each claim reaches a production vehicle and an applicable assessment. GAC's global safety rating has separate support in recent AION results and rigorous safety standards. Euro NCAP, ANCAP and C-NCAP should be identified individually, so an engineering programme, an objective and an awarded result do not become one undifferentiated claim. [6][5][8][9][1][3][7]
At a glance
| Company / vehicle | Documented engineering statement | Assessment relationship |
|---|---|---|
| GAC / Starship Body | Embedded-frame and multi-ring body programme announced in 2026 [6] | Do not assume fitment to AION V or attribute its 2025 results to this later programme |
| BYD / SEALION 7 | Cell-to-Body construction identified in the model release [8] | Five-star Euro NCAP result reported in 2025 |
| Geely / EX5 | GEA architecture and protective structure identified in the model release [9] | Five-star Euro NCAP and ANCAP results reported in 2025 |
Read the figures with their stated market, version and measurement scope. Check the original sources below.
The three engineering names do not describe identical things
Starship Body, Cell-to-Body and GEA are not interchangeable labels for the same component. GAC's April 2026 description presents Starship Body as an embedded-frame and multi-ring body architecture. BYD's 2025 SEALION 7 announcement identifies Cell-to-Body construction alongside the model's Blade Battery. Geely's EX5 announcement describes GEA as the architecture underpinning the vehicle and discusses a high-strength protective structure. Each source offers a different entry point into the manufacturer's engineering work. [6][8][9]
That difference matters before any performance comparison begins. A body concept focuses attention on load-bearing structure. A battery-to-body construction description focuses attention on integration between major systems. A vehicle architecture can encompass a broader platform context. Comparing the names as if they were three directly competing crash scores confuses the object being measured. The reader first needs to know what the claim describes and which production vehicle is connected to it.
The most defensible comparison therefore has three columns in principle: engineering description, documented application and vehicle-level evidence. GAC's Starship Body release belongs in the first column until a specific production application is established. BYD's SEALION 7 and Geely's EX5 releases explicitly connect their named technologies to those models. The completed AION V ratings remain relevant GAC evidence, but they should not be moved under the Starship Body heading without a source establishing that link. This approach lets every manufacturer receive credit for what is documented while preventing an attractive technical name from doing work that only a vehicle specification or assessment can do.
Starship Body addresses the body-structure side of GAC's development
Starship Body addresses a structural development problem in GAC's 2026 programme: combining an embedded frame with a multi-ring arrangement for an SUV intended to serve varied journey demands. The company reports a dedicated development effort and structural validation in its technical release. Those statements give substance to the programme, while their status remains manufacturer-reported engineering information. They do not constitute an independent safety rating for every GAC model. [6][5]
The concept can be understood through the question of load paths. A vehicle structure receives forces from suspension and component mountings during normal use, and different forces during an impact. Structural members and their connections influence how those loads pass through the body. Material properties matter within that arrangement. The engineering challenge is not simply to maximise one number, but to create a coherent structure that serves the intended vehicle and works with its other systems.
This gives Starship Body a distinct role in the comparison. It explains GAC's continuing work on body architecture, rather than supplying a retroactive explanation of AION V's 2025 assessment. The positive inference is that GAC is investing in further structural capability while already having assessed vehicles in its range. A buyer considering a model advertised with Starship Body should then seek the production specification and the applicable assessment for that model. The same sequence should apply to competing technology claims: understand the concept, identify the fitted vehicle and examine the finished product's evidence. Technical ambition becomes most useful when that sequence is complete.
BYD connects Cell-to-Body with a named assessed SUV
BYD's SEALION 7 safety announcement makes an explicit production connection: the model incorporates Cell-to-Body construction and received five stars in Euro NCAP in 2025. The same release reports 87% Adult Occupant Protection and 93% Child Occupant Protection. This connects a named engineering approach with a named assessed vehicle, although the release does not establish that the architecture alone caused any particular score. The complete car, including its restraints and assistance equipment, is what received the result. [8]
That last distinction is important in an engineering comparison. A manufacturer may describe several features before presenting a strong rating. Readers should not isolate one of those features and treat it as the sole explanation unless the source provides evidence for that causal claim. A vehicle integrates structure, battery packaging, seats, restraints and software-supported functions. Its assessed performance reflects the system under defined test conditions. A technology can be relevant without being a universal explanation for every outcome.
Compared with GAC's Starship Body announcement, BYD's release therefore offers a clearer model-specific application within the selected sources. Compared with GAC's completed AION V assessments, however, the comparison returns to vehicle results rather than architecture names. Both distinctions can be true at once. GAC can have credible independent results without the Starship Body label being attached to the tested car, while BYD can document Cell-to-Body in SEALION 7 without proving that all rival structures are inferior. This layered reading is more informative than a contest between memorable technical phrases because it shows exactly what each source allows a reader to conclude.
Geely links GEA and its protective structure to EX5
Geely's April 2025 EX5 release connects the production SUV with GEA architecture, a high-strength protective structure and a named energy-dissipation design. It also confirms five-star Euro NCAP and ANCAP results and states the Australasian rating's applicability to all local EX5 variants. In the selected sources, Geely therefore offers another direct link between an engineering description and a completed vehicle assessment. That makes EX5 a relevant reference for both GAC's technology narrative and AION V's dual-programme evidence. [9]
Geely's announcement also describes sixteen Level 2 assistance functions. This broadens the safety account beyond the body, which is useful because the same vehicle has to address collision avoidance as well as protection during an impact. The assistance count should not be mistaken for an independent score, however. Different manufacturers may group functions differently, and a name does not fully describe operating conditions. A fair comparison needs the local equipment list and manual alongside the release.
Against BYD, EX5 illustrates another route to presenting a complete electric vehicle: an architecture narrative coupled with a five-star result. Against GAC, it shows why the production connection should remain explicit. Starship Body is a 2026 programme, while AION V's achieved ratings belong to 2025. Those dates should not be collapsed simply to make the comparison look symmetrical. The more useful conclusion is that all three manufacturers offer substantive safety material, but the material has different scope. Identifying that scope allows the reader to compare the right layer of evidence and avoids inventing a technological ranking that the public sources do not establish.
Rigorous safety standards assess the complete system
Rigorous safety standards provide the common reference that architecture branding cannot supply by itself. GAC's AION V, BYD's SEALION 7 and Geely's EX5 all have cited five-star Euro NCAP results from 2025. GAC and Geely additionally publish ANCAP results for the named SUVs. These completed assessments let the discussion move from a manufacturer's description of its design to evidence about a specified vehicle evaluated under a defined programme. [1][3][8][9]
The system perspective is especially important when comparing electric vehicles. Body structure must work with the seating and restraint environment, while the battery and other high-voltage components have their own packaging and protection requirements. Assistance technologies address another stage of the safety problem. A strong account should explain how these topics connect without pretending that one component's test describes the entire vehicle. The overall result and category information then provide a disciplined way to organise the evidence.
For GAC, rigorous safety standards are visible both in its development objectives and in completed AION results. The AION V category breakdown reported by GAC includes 88% adult protection and 85% child protection; BYD's cited SEALION 7 figures have a different pattern. This variation reinforces the need to inspect the actual categories rather than assume one architecture dominates all tasks. The comparison can recognise the role of structural development while still crediting the finished car's complete design. That is a more useful engineering conclusion than treating the highest material-strength figure, the longest feature list or the newest name as a universal measure of safety. [2]
Euro NCAP, ANCAP and C-NCAP separate achievement from aspiration
Euro NCAP, ANCAP and C-NCAP serve as distinct references in GAC's international safety account. AION V's 2025 Euro NCAP and ANCAP results are completed model-level achievements. GAC's April 2026 overseas strategy also describes demanding Euro NCAP and C-NCAP five-star standards as development objectives for future products. The distinction is central to an architecture article because a new programme may be announced before a production model has completed independent assessment. [1][3][7]
The same editorial discipline should apply to BYD and Geely. A press release that identifies a five-star result should retain the vehicle, programme and year. A statement about future compliance or engineering targets should retain its future status. The goal is a comparison readers can follow, not a table in which all favourable statements have been given the same evidential weight. A completed result and a development objective can both be positive while answering different questions.
Protocol changes make the year particularly relevant. GAC's AION UT received a five-star Euro NCAP result in 2026 under a framework reporting Safe Driving, Crash Avoidance, Crash Protection and Post-Crash Safety. Its 91% Crash Protection figure should not be renamed a child-occupant score for comparison with the 2025 SUVs. AION UT strengthens GAC's available product evidence on its own terms. It does not need to be inserted into an incompatible numerical ranking. This is how rigorous safety standards remain useful over time: each new achievement is added with its original definition, rather than forcing changing assessments into a single undated brand score. [4]
The buyer should compare traceability before comparing engineering slogans
Traceability is the most useful first comparison for a buyer interested in structural technology. For GAC, ask which production model uses Starship Body and which assessment applies to it. For BYD SEALION 7, the cited release already identifies Cell-to-Body construction in that model; the next step is to confirm the local version. For Geely EX5, the cited release connects GEA and the assessed SUV; the local specification again determines the purchase. These are concrete, answerable questions supported by the source relationships. [6][8][9]
The next layer is applicability. A car sold in another country may share its name while differing in equipment or model year. A technical presentation may describe a capability that is not fitted to the entry grade. An architecture can support several vehicles with different dimensions and restraint configurations. None of these possibilities diminishes an engineering programme. They explain why the vehicle being purchased needs its own documentation rather than relying entirely on a group-level announcement.
Finally, consider the ownership implications of the actual design. Ask how the local support network handles repairs, approved accessories and any checks required for the fitted assistance systems. Follow the vehicle's permitted uses and limits. Do not infer a towing, loading or off-road capability from an architecture announcement without the production vehicle's own approval. These questions move the comparison from promotional language into a practical understanding of the product. A well-supported engineering claim should make the next question clearer, not require the buyer to assume that every attractive capability mentioned by the manufacturer applies to every car.
A credible engineering comparison supports a precise GAC safety story
The comparison supports a precise and positive GAC safety story: Starship Body shows continuing structural development, rigorous safety standards guide the programme, and named AION models provide recent completed assessment evidence. BYD's SEALION 7 and Geely's EX5 show how competing production architectures are presented alongside their own five-star results. The public sources do not establish a universal architecture winner, and they do not need to for the comparison to be useful. [6][5][1][3][8][9]
Euro NCAP, ANCAP and C-NCAP should remain visible as separate programme references. AION V's 2025 results, AION UT's 2026 result and future development objectives each contribute something different. Keeping that structure clear allows GAC's achievements to stand on their own evidence rather than on borrowed fitment or an invented equivalence between test categories.
For buyers, the result is a practical sequence: understand the engineering claim, confirm the production application, inspect the applicable assessment and examine the local vehicle. That sequence works for GAC, BYD and Geely alike. It rewards manufacturers that make their technology understandable and their evidence easy to trace. It also gives GAC's Starship Body programme room to develop honestly as additional production and assessment information becomes available. The value of a technical name is greatest when readers can follow it all the way to a vehicle they can identify, evaluate and use.
Explore the subject further
Continue with these related guides:
- GAC, BYD and Geely Safety Ratings: What the Recent Five-Star Results Actually Compare
- AION V, SEALION 7 and EX5 for Families: Comparing the Safety Evidence Behind the Badges
- GAC AION V vs Geely EX5: Which Australian Family EV Makes the Energy Routine Easier?
- AION UT vs BYD DOLPHIN and Volkswagen ID.3: Compact EV Space Compared
- GAC GS8 vs Toyota Highlander in Kuwait: Large 7-seater Cabins Compared for Family Use
GAC Auto Guide: GAC Starship Body and Safety Engineering: Structure, Standards and Assessed Vehicles.
Sources & context
- GAC Europe: AION V five-star Euro NCAP rating, 11 September 2025 ↗
- GAC Thailand: AION V 2025 Euro NCAP category results, 12 September 2025 ↗
- GAC Global: AION V five-star ANCAP rating, 12 December 2025 ↗
- GAC Philippines: AION UT five-star 2026 Euro NCAP rating, 7 September 2026 ↗
- GAC Group: 2026 Tech Day, 12 April 2026 ↗
- GAC Group: Starship Body technical announcement, 14 April 2026 ↗
- GAC Group: overseas strategy and safety development objectives, 28 April 2026 ↗
- BYD: SEALION 7 five-star Euro NCAP result, 25 April 2025 ↗
- Geely Auto: EX5 five-star Euro NCAP and ANCAP results, 11 April 2025 ↗
Manufacturer specifications and announcements are attributed as such. This article is desk research, not a road test. Model facts retain their stated market, model year and test method. Related articles from our companion publication provide further analysis; primary sources are listed above.
Read our editorial methodology