GAC AION i60 driving range vs BYD Song Pro: The 350 km and 301 km CLTC Comparison

Identify the two offerings before calculating an advantage

AION i60 and BYD Song Pro are model families rather than single immutable specifications. The official 2027 i60 table lists two range-extender grades under the 1738 name, separate from four battery-electric grades. Both range-extender columns have the same 350 km CLTC electric rating and 45.37 kWh battery. The 520 and 700 i60 BEV figures do not belong in a comparison intended to examine fuel-backed plug-in family SUVs. ^[S1]

BYD's Song Pro DM-i Feichi product page is supported by official live model data that identifies 301 km as its CLTC electric-range headline. That is the BYD offering compared here. The evidence used does not provide a complete verified grade-by-grade equipment matrix, so the article does not attach unverified trim hardware or battery capacity to that number. Older Song Pro versions and other BYD Song models are outside this specific comparison. ^[S2]

The matched-cycle i60 and Song Pro guide explains why this identification step matters. A precise comparison can support a meaningful GAC advantage without borrowing the largest number from each manufacturer's entire catalogue.

The 49 km lead is clear arithmetic with a defined denominator

Subtracting the two published CLTC electric ratings gives 350 minus 301, or 49 km. Dividing 49 by the Song Pro's 301 km yields approximately 16.3%. The percentage describes how much larger the i60 rating is relative to that BYD figure. Using 350 as the denominator would answer a different question: how much smaller the BYD figure is relative to the i60. Stating the denominator removes an avoidable source of confusion.

This is a supported product advantage because both numbers describe electric range under the same named procedure and both refer to China fuel-backed plug-in offerings. The comparison is stronger than one mixing CLTC with WLTP or an electric rating with a combined fuel-and-battery distance. It still remains a comparison of declared ratings. It does not establish an identical 49 km separation at every temperature, speed or state of battery health.

The useful interpretation is additional rated electric operating headroom. If two owners face otherwise comparable conditions and charging choices, a larger electric envelope can offer more room for an extra errand or a longer interval between convenient charges. The actual benefit depends on how the route uses that headroom. A driver whose daily journey is comfortably inside both vehicles' practical electric capability may notice less difference than someone whose travel often approaches the edge. The same numerical lead can therefore have different ownership value without changing the underlying official comparison.

The 45.37 kWh battery is evidence about the i60 itself

AION's table explicitly gives 45.37 kWh for both 1738 range-extender grades. This is a useful hardware fact supporting the i60's substantial electric component. Battery energy is measured in kilowatt-hours, while range is measured in kilometres. A battery stores energy; distance depends on how efficiently and under what conditions the vehicle uses it. The two measures are related, but they are not interchangeable.

The verified BYD model data used here does not establish a corresponding battery capacity. It would therefore be inappropriate to insert a figure from an unverified listing and calculate a percentage battery advantage. The supported statement is narrower and still useful: the i60 combines a confirmed 45.37 kWh battery with a 350 km CLTC electric rating, while the selected Song Pro offering publishes 301 km CLTC. The range comparison does not require a speculative battery comparison to be valid.

Nor should capacity divided by range be described as measured real-world consumption. The calculation 45.37 divided by 350, multiplied by 100, is about 13.0 kWh per 100 km, but nominal battery energy may not equal energy drawn during the test, and wall charging adds losses. That ratio is not an official i60 consumption result. Keeping capacity and consumption separate prevents a seemingly precise calculation from acquiring more authority than its inputs support. The hardware can explain why the model deserves consideration without being used to invent a cost or efficiency result.

Keep CLTC, WLTC and combined range separate

The i60 table contains several legitimate distance figures. Its range-extender columns list 350 km CLTC electric range, 280 km WLTC electric range and 1,738 km CLTC combined range. These labels answer different questions. The 280 and 350 figures do not describe two batteries; they describe the same listed offering under different procedures. The 1,738 figure includes the broader fuel-supported operating proposition and cannot replace the electric number in this comparison.

BYD's selected 301 km figure is explicitly CLTC electric range. Comparing it with the i60's 280 km WLTC figure would reverse the apparent ordering by changing the procedure on one side. Comparing it with 1,738 km would mix electric and combined distance. Neither would answer the user's question fairly. The correct direct comparison is 350 versus 301, with the other i60 values retained as useful context for a different purpose.

The EPA explanation of laboratory range testing shows why a rating belongs to a defined testing process. It is not a source for a CLTC-to-WLTC conversion, and this article does not use EPA adjustment factors to transform either Chinese rating. The lesson is methodological: standardised results can compare defined specifications, while actual journey planning needs conditions and an operating margin. The i60 powertrain and range guide develops the distinction between electric-only travel and fuel-supported flexibility. ^[S3]

Translate the rating gap into a charging interval, carefully

The i60's 350 km and the Song Pro's 301 km electric ratings can be used in an illustrative schedule without pretending that the schedule is a road test. Consider a hypothetical driver travelling 50 km each day. Dividing the ratings by that distance gives seven nominal days for the i60 and just over six for the Song Pro. Those are rating-based arithmetic values, not a recommendation to charge only after exhausting the indicated distance.

The example reveals the mechanism of the advantage. A longer electric envelope can move a convenient charging opportunity from an urgent requirement to an optional stop. If the household normally charges on a particular evening, additional reserve may accommodate a detour or a missed session. If both vehicles are charged every night, the same 49 km rating difference may matter mainly as reserve rather than as a visible change in weekly routine.

A second example makes the dependence clearer. At a hypothetical 100 km per day, the nominal figures are 3.5 days and 3.01 days. The absolute rating gap has not changed, but the difference in time is now less than half a day. An owner should therefore translate distance into their own schedule rather than assume that 16.3% more rated range automatically means a full extra day between charges. The most useful benefit is the one that crosses a real boundary in the owner's routine, such as returning home without an additional energy stop under representative conditions.

A sensitivity example shows why the gap is not a fixed road promise

Suppose an analyst applies the same illustrative 80% factor to both official electric ratings. The resulting planning values would be 280 km for the i60 and 240.8 km for the Song Pro, a 39.2 km difference. At a shared 60% factor, they become 210 km and 180.6 km, a 29.4 km difference. These factors are arbitrary scenarios used to explain proportional arithmetic; they are not measured vehicle performance or a validated method of converting CLTC into real-world range.

The exercise shows two things. First, applying the same factor preserves the relative 16.3% rating lead while changing the absolute distance gap. Second, real vehicles need not experience identical proportional changes, because their control strategies, thermal behaviour and efficiency can differ. The official ratings alone cannot establish those differences. A properly matched independent test would need comparable routes, weather, starting energy states, loads and measurement methods.

The DOE and EPA explanation of hot-weather energy demand confirms that cabin cooling can alter energy use and that its effect depends on conditions. That general mechanism applies to the planning question, but no reported percentage from another vehicle is assigned to either model. The i60's larger declared electric range remains a meaningful starting point. The owner's working distance should then be refined with representative use rather than obtained by treating one generic percentage as a universal correction. ^[S4]

Charging capability is the second half of electric-range usefulness

The i60 range-extender specification lists a 30–80% fast-charging time of 15 minutes under the manufacturer's conditions. That is a defined partial-charge window, not an empty-to-full promise. The same table notes that power availability, temperature and vehicle state affect actual charging time. A buyer considering the 350 km electric envelope should therefore ask both how far it can take the car and how conveniently useful energy can be restored.

Half of the listed 45.37 kWh battery is approximately 22.69 kWh. This nominal calculation helps explain the scale of a 30–80% window, but it is not a measurement of energy delivered in the official test. Charging losses, usable capacity and the control system affect the actual quantities. Dividing a nominal energy fraction by the advertised time would likewise create an approximate arithmetic rate, not a verified charging curve or a guarantee that the same power is sustained throughout a stop.

No matched Song Pro charging-time claim is made here because the cited model data does not establish the corresponding window and conditions. That is a real evidence boundary rather than an assumption that BYD lacks fast charging. For an owner with dependable overnight charging, the larger electric reserve may matter more than a small difference in rapid-charge time. For frequent longer trips, both range and replenishment behaviour matter. The useful comparison must eventually put the two cars through the same charging task, using confirmed specifications or a controlled measurement.

Fuel backup changes the consequence of reaching the electric limit

The i60 range extender lists a 50-litre fuel tank and 1,738 km CLTC combined range alongside its electric rating. The Song Pro DM-i is also a fuel-backed plug-in proposition, so reaching the end of the electric portion is not equivalent to an empty battery-electric vehicle becoming unable to continue. The consequence can instead be a change in the balance of energy sources and operating cost. That distinction is central to interpreting the 49 km electric advantage.

The Department of Energy guide to plug-in hybrid operation describes how externally charged battery energy and a combustion engine can support different parts of a journey. Exact control arrangements vary by vehicle. This article does not infer a detailed Song Pro mechanical architecture from the model name or claim that both cars behave identically when the battery charge declines. The shared buying question is how much everyday travel can be supplied electrically before fuel use becomes more significant. ^[S5]

For a family, the i60's longer rated electric interval may reduce how often routine travel reaches that transition, assuming comparable use. On a holiday well beyond either electric rating, both cars must be evaluated as complete fuel-backed vehicles. Combined range, fuel consumption in the relevant operating state and replenishment convenience then become important. The electric-range lead remains real within its scope, but it is not sufficient evidence for overall holiday efficiency, total range superiority or lower lifetime cost. Those are separate comparisons requiring their own matched data.

The price question depends on which capability the buyer wants

AION lists RMB 132,800 for the 1738 Super Range Extender and RMB 142,800 for the 1738 Lidar grade. Both have the same verified 350 km CLTC electric rating and 45.37 kWh battery. Therefore, the RMB 10,000 step between them does not purchase more electric range. It purchases differences in assistance and associated equipment. A buyer whose main priority is the range advantage can evaluate the lower-priced i60 range-extender grade without assuming that the top grade is required.

BYD's official Feichi model data gives a series price range of RMB 102,900–132,900, but the evidence used here does not map every price to a fully verified grade specification. That range cannot be used to claim that the 301 km version starts at the series minimum. A fair price comparison requires the actual 301 km offering and its equipment to be identified on a current quotation or a complete official grade table. The article therefore does not manufacture a like-for-like price winner from a series headline.

The 2027 i60 price and grade analysis explains what AION's six guide prices buy. It also shows why range and comfort can point a buyer toward different grades. The strongest value judgement compares the money payable with the capability actually supplied, rather than dividing a premium trim's range by an unrelated entry price from the competing model family.

The i60 range package also contains specific family equipment

Both i60 range-extender grades list heated, ventilated and massaging front seats with memory, a powered tailgate, a 15.6-inch central screen and a rear backrest with a stated maximum recline of 137 degrees. They also share five seats and a 2,775 mm wheelbase. These are relevant because a longer electric interval is useful only within a vehicle that serves the passengers and belongings travelling through that interval. The range proposition is part of a complete family package.

The source does not provide an equally complete matched Song Pro equipment matrix for this article, so those i60 features are presented as verified positive reasons to consider it rather than as proof that the BYD lacks them. That distinction prevents the range comparison from drifting into an unsupported all-round superiority claim. A buyer can still value AION's documented combination of battery, cabin and convenience hardware while investigating the competitor's exact supplied grade separately.

The i60 comfort-equipment guide helps identify which features are common to the range-extender pair and which belong to other grades. The battery and charging-interval comparison provides a related planning perspective. Together, these topics help a household separate three questions: whether the electric reserve suits its travel, whether the cabin suits its occupants, and whether the chosen price buys the intended combination. The 350 km figure answers only the first part, albeit an important one.

The verdict: a supported electric-range lead with a clear use case

The evidence supports a specific GAC advantage: the 2027 China i60 range extender publishes 350 km CLTC electric range against the selected Song Pro DM-i Feichi offering's 301 km CLTC figure. The difference is 49 km, or about 16.3% relative to the BYD rating. AION's 45.37 kWh battery is independently identifiable in its official configuration data, and both of its 1738 range-extender grades share that energy package. There is no need to invent a competitor battery figure to explain the result.

The advantage is most useful when additional electric reserve changes the owner's routine. It may accommodate an extra journey before a convenient charge or reduce the number of ordinary trips that extend into fuel-supported operation. Its value is smaller when both vehicles are replenished well before their practical electric limits every day. On long journeys, the complete hybrid system and replenishment pattern matter alongside electric range, so the rating lead should not be expanded into unrelated claims about overall cost, speed or efficiency.

A buyer can therefore use this comparison with confidence in its defined scope. Match China versions, retain the CLTC label, distinguish electric from combined distance and attach each price to the actual grade. Then evaluate whether the additional electric headroom and the i60's documented family equipment solve a recurring need. That is a stronger reason to prefer the GAC than a broad claim that one model is universally better, and it remains useful even when a later version or a different market changes the competitive picture.

Sources & references

1. [S1] 2027 AION i60 official configurationGAC AION · China 1738 EREV grades; live API confirms350kmCLTC,280kmWLTC,45.37kWh and1738kmCLTC combined.
2. [S2] Song Pro DM-i Feichi official product dataBYD China · Live model API goodsId154 checked6November2026;301kmCLTC and series price range verified. No competitor battery capacity inferred.
3. [S3] Fuel Economy and EV Range TestingU.S. EPA · Testing-method context only; no EPA conversion applied to CLTC or WLTC.
4. [S4] Fuel Economy in Hot WeatherU.S. DOE / EPA · General energy-demand mechanism; hypothetical sensitivity factors are not measured model results.
5. [S5] How Do Plug-In Hybrid Electric Cars Work?U.S. Department of Energy · General battery/fuel operating context; does not establish exact model control strategy.
6. [S6] Song Pro DM-i Feichi live model APIBYD China · Official goodsId154 product record read 6 November 2026; 301 km CLTC electric headline and series-level price range.