2023 M-Hero 917 1.5 (816 Hp) Extended Range 4WD Automatic

The M-Hero 917 1.5 (816 Hp) Extended Range 4WD Automatic, launched in August 2023, represents a significant entry into the burgeoning Chinese New Energy Vehicle (NEV) market. Positioned as a premium, high-performance off-road SUV, the 917 is M-Hero’s flagship model, designed to compete with both domestic and international brands in the luxury electric vehicle segment. This particular variant, boasting a combined system output of 816 horsepower, sits at the top of the 917 range, emphasizing both electric range and potent performance. The 917 is built on a dedicated EV platform, showcasing a unique powertrain architecture that prioritizes all-wheel drive capability and extended range through a plug-in hybrid system.

Technical Specifications

Brand M-Hero
Model 917
Generation 917
Type 1.5 (816 Hp) Extended Range 4WD Automatic
Start of production August, 2023
Powertrain Architecture PHEV (Plug-in Hybrid Electric Vehicle)
Body type Off-road vehicle, SUV
Seats 5
Doors 5
Fuel Type Petrol / electricity
Acceleration 0 – 100 km/h 6 sec
Acceleration 0 – 62 mph 6 sec
Acceleration 0 – 60 mph 5.7 sec
Maximum speed 191 km/h (118.68 mph)
Emission standard China VIB
Weight-to-power ratio 3.8 kg/Hp, 260.7 Hp/tonne
Weight-to-torque ratio 3 kg/Nm, 335.5 Nm/tonne
Gross battery capacity 65.8 kWh
Battery technology Lithium nickel manganese cobalt oxides (Li-NMC)
Battery location Below the floor
All-electric range (CLTC) 200 km (124.27 mi)
Electric motor power (Front) 272 Hp
Electric motor location (Front) Front, Transverse
Electric motor power (Rear) 272 Hp
Electric motor location (Rear) Rear axle, Transverse
Electric motor power (Rear 2) 272 Hp
Electric motor location (Rear 2) Rear axle, Transverse
System power 816 Hp
System torque 1050 Nm (774.44 lb.-ft.)
Engine layout Front, Transverse
Engine Model/Code DFMC15TP1
Engine displacement 1476 cm3 (90.07 cu. in.)
Number of cylinders 4
Engine configuration Inline
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Turbocharger, Intercooler
Kerb Weight 3130 kg (6900.47 lbs.)
Fuel tank capacity 84 l (22.19 US gal | 18.48 UK gal)
Length 4987 mm (196.34 in.)
Width 2080 mm (81.89 in.)
Height 1935 mm (76.18 in.)
Wheelbase 2950 mm (116.14 in.)
Front track 1755 mm (69.09 in.)
Rear track 1755 mm (69.09 in.)
Ride height (ground clearance) 221-326 mm (8.7 – 12.83 in.)
Minimum turning circle 10.2 m (33.46 ft.)
Approach angle 31-36.8°
Departure angle 31-37.5°
Ramp-over angle 19.7-27.9°
Wading depth 900 mm (35.43 in.)
Drivetrain Architecture Two electric motors drive the rear wheels, one electric motor drives the front wheels. The Internal combustion engine (ICE) drives the generator only, with no mechanical connection to the drive.
Drive wheel All wheel drive (4×4)
Number of gears 1
Type of gearbox automatic transmission
Front suspension Double wishbone, Air Suspension – Optional
Rear suspension Double wishbone, Air Suspension – Optional
Front brakes Ventilated discs
Rear brakes Ventilated discs
Assisting systems ABS (Anti-lock braking system), 4-wheel steering (4WS, active rear steering)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 275/65 R20; 295/60 R20
Wheel rims size 20

Powertrain & Engine Architecture

The M-Hero 917 1.5 utilizes a sophisticated plug-in hybrid (PHEV) powertrain. At its core is a 1.5-liter, turbocharged inline-four cylinder engine (DFMC15TP1) producing an undisclosed horsepower figure, acting primarily as a generator to charge the 65.8 kWh Li-NMC battery pack. The real power comes from the three electric motors – one driving the front wheels and two independently powering the rear wheels, enabling true all-wheel drive capability. Each electric motor generates 272 horsepower, contributing to a combined system output of 816 horsepower and 1050 Nm (774.44 lb.-ft.) of torque. This tri-motor setup allows for precise torque vectoring, enhancing both on-road handling and off-road traction. The single-speed automatic transmission is geared towards maximizing efficiency and delivering instant torque from the electric motors. The engine features direct fuel injection and a turbocharger with intercooling, optimizing combustion efficiency and power delivery when operating as a generator.

Driving Characteristics

The 917 1.5 delivers a driving experience markedly different from traditional internal combustion engine SUVs. The instant torque from the electric motors provides brisk acceleration, with a 0-60 mph time of around 5.7 seconds. The all-wheel drive system, coupled with the torque vectoring capabilities of the tri-motor setup, offers exceptional grip and stability in various conditions. In electric mode, the vehicle operates silently and smoothly, providing a refined driving experience. When the battery is depleted, the gasoline engine seamlessly kicks in to act as a generator, extending the range. The single-speed transmission simplifies the driving experience, but it does mean there’s no traditional gear shifting. The air suspension (optional) further enhances ride comfort, both on and off-road, allowing for adjustable ride height to tackle challenging terrain.

Equipment & Trim Levels

The M-Hero 917 1.5, being the top-tier variant, comes standard with a comprehensive suite of features. Interior appointments include premium leather upholstery, a large touchscreen infotainment system with advanced connectivity features, and a panoramic sunroof. Standard safety features include a full suite of advanced driver-assistance systems (ADAS), such as adaptive cruise control, lane keeping assist, and automatic emergency braking. Optional extras include the aforementioned air suspension, upgraded audio system, and various interior customization options. The dashboard layout is modern and minimalist, emphasizing the large central touchscreen and digital instrument cluster.

Chassis & Braking

The 917’s chassis is designed to handle the vehicle’s substantial weight (3130 kg / 6900.47 lbs.) and deliver a comfortable ride. It utilizes a double wishbone suspension setup at both the front and rear, with the option of air suspension for enhanced adjustability. Ventilated disc brakes are fitted on all four wheels, providing ample stopping power. The inclusion of ABS (Anti-lock braking system) and 4-wheel steering (4WS) further enhances safety and handling. The electric steering system offers precise and responsive steering feel.

Market Reception & Comparison

The M-Hero 917 has garnered attention in the Chinese market as a bold attempt to challenge established luxury SUV brands. Critics have praised its innovative powertrain, spacious interior, and advanced technology. However, some have noted the vehicle’s high price point and the relatively limited charging infrastructure in certain areas. Compared to other PHEV SUVs in the Chinese market, the 917 stands out with its tri-motor all-wheel drive system and extended electric range. Fuel economy figures are competitive for its class, and the long-term reliability of the powertrain remains to be seen.

Legacy

As a relatively new entrant to the market, the long-term legacy of the M-Hero 917 is still unfolding. The durability and reliability of the tri-motor powertrain and the Li-NMC battery pack will be key factors in determining its success in the used car market. The 917 represents a significant step forward in Chinese automotive engineering, showcasing the country’s growing capabilities in the development of advanced electric vehicle technology. Its innovative approach to powertrain design and its focus on both performance and sustainability could influence future EV development both in China and globally.

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