The Li L6 1.5T 36.8 kWh (408 Hp) Extended Range 4WD is a plug-in hybrid electric vehicle (PHEV) SUV introduced by the Chinese automaker Li Auto in April 2024. Positioned as a mid-to-upper range offering within the L6 lineup, it represents Li Auto’s commitment to extended-range electric vehicles, combining a relatively small internal combustion engine with a substantial battery pack and dual electric motors for all-wheel drive capability. The L6 is designed to appeal to families seeking a comfortable, technologically advanced, and efficient SUV with the flexibility of both electric and gasoline power. It competes directly with other extended-range EVs and premium SUVs in the rapidly growing Chinese automotive market.
Technical Specifications
| Brand | Li |
| Model | L6 |
| Generation | L6 |
| Type (Engine) | 1.5T 36.8 kWh (408 Hp) Extended Range 4WD |
| Start of production | April, 2024 |
| Powertrain Architecture | PHEV (Plug-in Hybrid Electric Vehicle) |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – combined (WLTC) | 0.72-6.9 l/100 km (326.7 – 34.1 US mpg, 392.3 – 40.9 UK mpg, 138.9 – 14.5 km/l) |
| Fuel Type | Petrol / electricity |
| Acceleration 0 – 100 km/h | 5.4 sec |
| Acceleration 0 – 62 mph | 5.4 sec |
| Acceleration 0 – 60 mph | 5.1 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Emission standard | China VI B |
| Weight-to-power ratio | 5.7 kg/Hp, 175.1 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 227 Nm/tonne |
| Gross battery capacity | 36.8 kWh |
| Battery technology | Lithium iron phosphate (LiFePO4) |
| Battery location | Below the floor |
| All-electric range (WLTC) | 182 km (113.09 mi) |
| Average Energy consumption (WLTC) | 21.1 kWh/100 km (33.96 kWh/100 mi, 99 MPGe, 4.7 km/kWh, 2.9 mi/kWh) |
| Electric motor 1 power | 231 Hp |
| Electric motor 1 Torque | 309 Nm (227.91 lb.-ft.) |
| Electric motor 1 model/code | TZ190XY107 |
| Electric motor 1 location | Rear axle, Transverse |
| Electric motor 1 type | Synchronous |
| Electric motor 2 power | 177 Hp |
| Electric motor 2 Torque | 220 Nm (162.26 lb.-ft.) |
| Electric motor 2 model/code | TZ180XS118 |
| Electric motor 2 location | Front axle, Transverse |
| Electric motor 2 type | Synchronous |
| System power | 408 Hp |
| System torque | 529 Nm (390.17 lb.-ft.) |
| Power | 154 Hp |
| Power per litre | 102.9 Hp/l |
| Engine layout | Front, Transverse |
| Engine Model/Code | L2E15M |
| Engine displacement | 1496 cm3 (91.29 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Kerb Weight | 2330-2345 kg (5136.77 – 5169.84 lbs.) |
| Max. weight | 2820 kg (6217.04 lbs.) |
| Max load | 475-490 kg (1047.2 – 1080.27 lbs.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 4925 mm (193.9 in.) |
| Width | 1960 mm (77.17 in.) |
| Height | 1735 mm (68.31 in.) |
| Wheelbase | 2920 mm (114.96 in.) |
| Front track | 1696 mm (66.77 in.) |
| Rear (Back) track | 1704 mm (67.09 in.) |
| Drag coefficient (Cd) | 0.269 |
| Approach angle | 20° |
| Departure angle | 21° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the generator only, with no mechanical connection to the drive. Two electric motors drive the front and rear wheels. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 1 gears, automatic transmission |
| Front suspension | Coil spring, Double wishbone, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 255/50 R20; 265/45 R21 |
| Wheel rims size | 20; 21 |
Powertrain & Engine Architecture
The Li L6 1.5T utilizes a sophisticated plug-in hybrid powertrain. The core of the system is a 1.5-liter turbocharged inline-four cylinder engine (code L2E15M) producing 154 horsepower. This engine, however, does not directly drive the wheels. Instead, it functions as a range extender, powering a generator to recharge the 36.8 kWh lithium iron phosphate (LiFePO4) battery pack. The battery then powers two electric motors – a 231 hp motor driving the rear wheels and a 177 hp motor driving the front wheels – providing all-wheel drive capability. The combined system output is a substantial 408 horsepower and 529 Nm (390.17 lb.-ft.) of torque. The engine features direct fuel injection and a double overhead camshaft (DOHC) valvetrain. The single-speed automatic transmission is dedicated to the generator, simplifying the powertrain layout and maximizing efficiency.
Driving Characteristics
The L6 1.5T delivers brisk acceleration, achieving 0-60 mph in approximately 5.1 seconds. The instant torque from the electric motors provides responsive acceleration, particularly at lower speeds. In electric-only mode, the vehicle offers a quiet and smooth driving experience. When the gasoline engine engages, it operates primarily as a generator, minimizing engine noise and vibration. The all-wheel drive system provides enhanced traction and stability in various driving conditions. The single-speed transmission, while simplifying the system, means there’s no traditional gear shifting, relying on the electric motors’ torque curves for power delivery. Compared to potential future higher-performance variants, the 1.5T prioritizes efficiency and a comfortable driving experience over outright speed.
Equipment & Trim Levels
The Li L6 1.5T Extended Range 4WD comes standard with a comprehensive suite of features, including a large touchscreen infotainment system, advanced driver-assistance systems (ADAS) such as adaptive cruise control and lane keeping assist, premium interior materials, and comfortable seating for five passengers. Interior upholstery typically consists of leatherette or leather options, with a modern and minimalist dashboard design. Optional extras may include a panoramic sunroof, upgraded audio system, and additional ADAS features. The trim level focuses on providing a balance of luxury, technology, and practicality.
Chassis & Braking
The L6 utilizes a coil spring, double wishbone suspension setup at the front and an independent multi-link suspension at the rear, both incorporating transverse stabilizers to minimize body roll. Ventilated disc brakes are employed on all four wheels, providing ample stopping power. The vehicle is equipped with an anti-lock braking system (ABS) and electronic stability control. The suspension is tuned for a comfortable ride, prioritizing passenger comfort over sporty handling. The relatively heavy battery pack contributes to a lower center of gravity, enhancing stability.
Market Reception & Comparison
The Li L6 has been well-received in the Chinese market, praised for its spacious interior, advanced technology, and efficient powertrain. Critics have noted its competitive pricing and long electric range. Compared to other PHEV SUVs in its class, the L6 offers a compelling combination of performance, range, and features. Its fuel economy, ranging from 0.72-6.9 l/100 km, is competitive with other extended-range EVs. Reliability data is still emerging, but Li Auto has a reputation for building well-engineered vehicles.
Legacy
The Li L6 1.5T represents a significant step forward in the development of extended-range electric vehicles. Its efficient powertrain, spacious interior, and advanced technology position it as a strong contender in the rapidly evolving Chinese automotive market. The long-term reliability of the powertrain remains to be seen, but the use of a relatively simple and robust engine as a generator, combined with the durability of LiFePO4 batteries, suggests a potentially long service life. As the demand for electric vehicles continues to grow, the L6 is likely to become a popular choice for families seeking a practical and environmentally friendly SUV.
