Genesis GV90 Specs Leaked: 666 HP Dual-Motor, 115 kWh Usable Battery and 481km Range for Korea

Official certification data filed with South Korea’s Ministry of Environment (KENCIS) on August 10, 2026, has revealed the official technical specifications for the upcoming Genesis GV90, Genesis’s flagship electric full-size SUV. Pushing out an impressive 666 HP (490 kW) from its dual-motor setup, the GV90 features a massive 123.52 kWh total capacity battery pack (with 115 kWh usable capacity, as we previously exclusively revealed).

The leaked certification documents reveal crucial details regarding battery capacity, dual-motor power output, curb weight, and official Korean driving range ratings. Thanks to ShortsCar for the heads up!

Genesis GV90 Certification Breakdown

According to the official government filings (Certification Number: TMY-HD-11-28), the Genesis GV90 has completed homologation across multiple seating configurations (6-seater and 7-seater models) equipped with 22-inch and 24-inch wheel options.

Key Technical Specifications:

• Car Model: Genesis GV90 (JG1 Series)

• Maximum Horsepower: 666 HP (657 bhp / 490 kW)

• Battery Capacity: 175.7 Ah @ 703 V (123.52 kWh Gross / 115 kWh Net Usable)

• Front Motor Output: 326 PS / 322 HP (240 kW) @ 6,600–9,000 RPM

• Rear Motor Output: 340 PS / 335 HP (250 kW) @ 5,400–8,000 RPM

• Curb Weight: 3,030 kg (6,680 lbs)

• Gross Vehicle Weight (GVWR): 3,665 kg (8,080 lbs)

• Certification Date: August 10, 2026

Battery Architecture & Powertrain Performance

The GV90 features a high-capacity battery pack built on an advanced high-voltage architecture rated at 703 V. While the gross capacity comes out to 123.52 kWh, the usable net capacity made available to drivers is 115 kWh(representing a ~93.1% usable energy buffer).

Gross Energy Capacity=1000175.7 Ah×703 V​=123.52 kWh(115 kWh Usable)

This energy capacity represents a significant upgrade over existing Hyundai Motor Group E-GMP platform vehicles, providing the necessary energy density to propel a full-size flagship SUV weighing over 3 metric tons.

Dual-Motor All-Wheel Drive (AWD) Output:

• Front Electric Motor (DH8M): 240 kW (322 HP / 326 PS)

• Rear Electric Motor (DJ8M): 250 kW (335 HP / 340 PS)

• Total Combined System Output: 490 kW (666 HP / 657 bhp)

Official Driving Range & Global Projections (Korean MOTIE vs. WLTP vs. EPA)

The official certification document outlines the GV90's single-charge driving range under South Korea’s Ministry of Trade, Industry and Energy (MOTIE) standard:

Official South Korean Range Ratings:

• Composite / Combined Range: 481 km

• Downtown / City Range: 503 km

• Highway Range: 453 km

• Cold Temperature Combined Range (-7°C): 431 km (Downtown: 409 km / Highway: 457 km)

What Will the GV90 Range Be Under WLTP and US EPA Standards?

Because EV range testing methods vary significantly across major international markets, here is how the official 481 km Korean rating translates into European WLTP and North American US EPA certification standards.

Genesis GV90 Range Projections:

• Korean Certification (MOTIE): 481 km

• Estimated US EPA Rating: ~295 - 300 miles (~475 - 483 km)

• Estimated European WLTP: ~580 - 585 km

1. European WLTP Estimate: ~582 km South Korea's MOTIE testing cycle is noticeably more stringent than Europe's WLTP (Worldwide Harmonized Light Vehicles Test Procedure). Based on historical testing ratios across Hyundai Motor Group models (e.g., IONIQ 6 rated at 562 km in Korea vs. 680 km WLTP), the Korean rating is roughly 21% tighter.

Estimated WLTP=481 km×1.21≈582 km

When officially launched in Europe, the Genesis GV90 is expected to carry a WLTP rating between 575 km and 585 km.

2. US EPA Estimate: ~295–300 Miles (~475–483 km) South Korean EV certification protocols are directly adapted from the US EPA multi-cycle testing procedure (incorporating ambient temperature penalties and high-speed driving dynamics). Consequently, Korean MOTIE and US EPA figures track almost 1:1.

Converting 481 km directly yields 298.9 miles. When the EPA officially releases its rating for the US market, expect the 666 HP Genesis GV90 dual-motor 22/24-inch wheel configuration to land between 295 and 305 miles of rated range.