Which one charges faster, the Kia EV6 or the BYD Sealion 7?

On DC fast charging the Kia EV6 GT-Line AWD is much quicker thanks to its 800V E-GMP architecture: its peak power is very high and its average power across a 10 to 80 percent session is among the best in its class, so its fast-charging time is very short. The BYD Sealion 7 Premium uses a 400V architecture with a more moderate DC peak, so its 10 to 80 percent session takes meaningfully longer. On home AC charging the two are close and the DC gap does not apply. Exact charging times in Indonesia are on this site's comparison tool and per-car pages.

Which one has more range?

On paper the BYD Sealion 7 Premium claims a longer range and its battery pack is indeed slightly larger, but the two are measured on different test standards: the Kia EV6 on the stricter WLTP, the BYD Sealion 7 on the more optimistic NEDC. Once both are discounted to a realistic figure using each standard's own factor, the gap narrows significantly. For side-by-side realistic-range figures in Indonesia, see this site's comparison tool and per-car pages.

Which one is cheaper to charge?

Charging cost depends mainly on battery capacity and the electricity rate used, not on the brand. Because the BYD Sealion 7's battery pack is slightly larger than the Kia EV6's, the cost to charge from 20 to 80 percent on the Sealion 7 is slightly higher at the same tariff, but the gap is small and can swing either way depending on whether you charge at home or on DC fast charging, which is typically priced higher per kWh. For exact side-by-side figures in Indonesia, use the comparison tool on this site.

Kia EV6 vs BYD Sealion 7: Premium EV Comparison in Indonesia

The Kia EV6 GT-Line AWD and the BYD Sealion 7 Premium are two performance-tier electric vehicles (battery electric vehicle / BEV) frequently cross-shopped in the premium segment of Indonesia. Both target buyers who want more performance and a sportier feel from an electric SUV, but they take fundamentally different routes: Kia leans on an 800V E-GMP architecture purpose-built for fast charging and dynamics, while BYD offers a larger LFP battery package on a proven 400V architecture. This guide weighs the two qualitatively. The exact figures (charging cost, time, and realistic range side by side) are on this site's comparison tool and per-car pages.

By mht-dev, Frontend Engineer & Creator

A frontend engineer who bought a first electric car in March 2026 and built EV Charge Calculator while working out the real cost of charging it, writing every guide from an everyday new EV owner's perspective.

Two different routes at the premium tier

The Kia EV6 and the BYD Sealion 7 actually occupy the same space in Indonesia's market: premium electric SUVs with a sportier driving character than the average family BEV, but they reach that position by very different routes. The Kia EV6 sits on the same 800V E-GMP platform as the Hyundai Ioniq 5 and the Genesis GV60, designed from the start for very fast charging and responsive acceleration, with an NMC (nickel manganese cobalt) battery typical of Korean sport BEVs. The BYD Sealion 7 uses a slightly larger Blade Battery LFP (lithium iron phosphate) pack on a 400V architecture, leaning on battery size and the steadiness of LFP chemistry rather than high-voltage architecture.

This chemistry difference also changes daily ownership habits. The Sealion 7's LFP battery is designed for routine 100% charges without undue worry, so the habit of topping right up every night is safe and practical. The EV6's NMC battery is happier stopping around 80% for daily use and reserving full charges for trip days, a guideline that applies to all NMC-batteried EVs. For a buyer who prefers simple discipline ('plug in at night, full by morning') without thinking about percentages, the Sealion 7's LFP is friendlier.

Charging speed: where the EV6 pulls clearly ahead

This is the single biggest differentiator between the two, and the gap is not narrow. Thanks to its 800V E-GMP architecture the Kia EV6 GT-Line AWD is one of the fastest-charging electric cars on sale in Indonesia at its price point: its DC peak power is very high and, more importantly, its average power across a 10 to 80 percent session is very high, so a fast-charging stop at a rest area finishes in a very short number of minutes. The BYD Sealion 7 Premium runs on a 400V architecture with a more moderate DC peak, and its 10 to 80 percent session takes meaningfully longer than the EV6's, though it is still respectable for an electric SUV in its class.

For an owner who frequently travels long distances out of town this gap is very tangible: a charging stop with the Kia EV6 is often as short as a quick coffee break, while with the BYD Sealion 7 it feels more like a relaxed meal stop. At home the difference all but disappears: both charge overnight without drama, and the EV6's 800V advantage simply does not apply on AC charging. So if your usage is dominated by home charging and rare out-of-town trips, you feel the EV6's charging advantage less often. The Sealion 7 also enjoys broad compatibility with Indonesia's public charging network, so although it is slower, it rarely struggles to find a plug.

Range and the test-cycle asymmetry

On paper the BYD Sealion 7 Premium offers a longer claimed range than the Kia EV6 GT-Line AWD, and its battery pack is indeed slightly larger. But there is an important nuance to grasp before drawing a conclusion: the two are measured on different test standards. The Kia EV6 uses the stricter WLTP cycle, which is closer to real-world conditions, while the BYD Sealion 7 uses the more optimistic NEDC cycle. As a result, when both brochure numbers are discounted to a realistic figure using each standard's own factor, the gap narrows significantly, and the Sealion 7's range advantage is not as large as the brochure suggests.

That is why a fair range comparison cannot simply read the raw numbers. This site automatically discounts each manufacturer's claim to a realistic figure according to its own test standard, so the side-by-side numbers you see on the per-car pages and in the comparison tool are already normalised to a more honest condition. In real-world use across Indonesia (dense traffic, air-conditioning on, a family load, tropical heat) both cars deliver ample range for daily and weekend driving, with a much smaller gap than the brochure-claim gap suggests. For genuinely long trips the combination of the Sealion 7's slightly longer range and the EV6's much faster charging means the EV6 often arrives sooner overall despite stopping a little more often.

Which one suits you?

Both are mature premium electric SUVs, so there is no wrong choice. Based on the direction of their specs: pick the Kia EV6 GT-Line AWD if you travel long distances often, want very short DC fast-charging sessions thanks to its 800V architecture, and enjoy the sportier driving character of the E-GMP platform. Pick the BYD Sealion 7 Premium if you want a slightly larger battery package with the more tolerant LFP chemistry for routine full charges, the peace of mind of BYD's broad service network in Indonesia, and most of your charging happens at home so the Kia's DC speed advantage is rarely tapped.

To close the decision with real numbers, this site provides a comparison tool prefilled with the Kia EV6 GT-Line AWD and the BYD Sealion 7 Premium side by side, a per-car page for each, and a charging cost calculator that works it out with your own electricity tariff and battery percentage.

Frequently asked questions

Which one charges faster, the Kia EV6 or the BYD Sealion 7?: On DC fast charging the Kia EV6 GT-Line AWD is much quicker thanks to its 800V E-GMP architecture: its peak power is very high and its average power across a 10 to 80 percent session is among the best in its class, so its fast-charging time is very short. The BYD Sealion 7 Premium uses a 400V architecture with a more moderate DC peak, so its 10 to 80 percent session takes meaningfully longer. On home AC charging the two are close and the DC gap does not apply. Exact charging times in Indonesia are on this site's comparison tool and per-car pages.
Which one has more range?: On paper the BYD Sealion 7 Premium claims a longer range and its battery pack is indeed slightly larger, but the two are measured on different test standards: the Kia EV6 on the stricter WLTP, the BYD Sealion 7 on the more optimistic NEDC. Once both are discounted to a realistic figure using each standard's own factor, the gap narrows significantly. For side-by-side realistic-range figures in Indonesia, see this site's comparison tool and per-car pages.
Which one is cheaper to charge?: Charging cost depends mainly on battery capacity and the electricity rate used, not on the brand. Because the BYD Sealion 7's battery pack is slightly larger than the Kia EV6's, the cost to charge from 20 to 80 percent on the Sealion 7 is slightly higher at the same tariff, but the gap is small and can swing either way depending on whether you charge at home or on DC fast charging, which is typically priced higher per kWh. For exact side-by-side figures in Indonesia, use the comparison tool on this site.