The Toyota Corolla Hatchback GR 1.6 (300 Hp) GR-FOUR iMT, introduced in August 2024, represents the high-performance variant of the twelfth-generation (E210, facelift) Corolla Hatchback. This model is a significant departure from the traditionally economy-focused Corolla image, aiming to compete with hot hatches like the Volkswagen Golf GTI and Honda Civic Si. It’s built on the GA-C platform, shared with other Toyota and Lexus models, and distinguishes itself with a potent turbocharged engine, all-wheel drive, and a unique intelligent Manual Mode (iMT) transmission. The GR variant is positioned as the flagship performance model within the Corolla Hatchback lineup, offering a substantial upgrade over the standard 1.8L and 2.0L engine options.
Powertrain & Engine Architecture
At the heart of the Corolla GR is the G16E-GTS, a 1.6-liter turbocharged inline-three cylinder gasoline engine. This engine is not simply a modified version of existing Toyota engines; it was specifically designed for performance applications, drawing heavily from Toyota Gazoo Racing’s motorsport experience, particularly in the World Rally Championship (WRC). The engine features direct injection and multi-port fuel injection, optimizing combustion for both power and efficiency. It boasts a relatively high compression ratio of 10.5:1. The valvetrain utilizes a Dual Overhead Camshaft (DOHC) configuration with four valves per cylinder. The turbocharger and intercooler are integral to achieving the engine’s 300 horsepower at 6500 rpm and 400 Nm (295.02 lb-ft) of torque between 3250-4600 rpm. Engine oil capacity is 4.3 liters (4.54 US qt / 3.78 UK qt), and the engine meets LEV III ULEV70 emission standards.
The GR-FOUR system is a key component of the powertrain. It’s a sophisticated all-wheel-drive system utilizing a multi-plate clutch to distribute torque between the front and rear axles. Drivers can adjust the front/rear torque split (60:40, 30:70, 50:50) via a mode selector, tailoring the car’s handling characteristics to different driving conditions. The transmission is a 6-speed manual, but it incorporates Toyota’s “iMT” (intelligent Manual Mode) system. This system uses software to automatically match engine revs during upshifts and downshifts, providing smoother and faster gear changes, even for less experienced manual drivers. It doesn’t use a traditional clutch actuator, but rather subtly adjusts engine torque to create a more seamless shifting experience.
Engine Specifications
Engine Code: G16E-GTS
Displacement: 1618 cm3 (98.74 cu. in.)
Cylinder Bore: 87.5 mm (3.44 in.)
Piston Stroke: 89.7 mm (3.53 in.)
Driving Characteristics
The Corolla GR delivers a markedly different driving experience compared to other Corolla Hatchback variants. The 300 hp output and all-wheel-drive system result in a 0-60 mph acceleration time of just 4.9 seconds and an electronically limited top speed of 230 km/h (142.92 mph). The GR-FOUR system provides excellent traction, allowing for confident cornering and acceleration even in challenging conditions. The iMT transmission, while not a traditional manual, offers a satisfying level of driver engagement and simplifies the process of quick shifting. The weight-to-power ratio of 5 kg/Hp and weight-to-torque ratio of 3.7 kg/Nm contribute to the car’s responsive feel.
Compared to the standard 1.8L or 2.0L Corolla Hatchbacks, the GR is significantly faster and more agile. The standard models prioritize fuel efficiency and comfort, while the GR prioritizes performance. The GR’s suspension is also tuned for more aggressive driving, resulting in a firmer ride quality. The gear ratios are optimized for acceleration, with shorter ratios in the lower gears to maximize responsiveness.
Equipment & Trim Levels
The Corolla GR 1.6 (300 Hp) GR-FOUR iMT is generally offered as a single, well-equipped trim level. Standard features typically include sport seats with enhanced bolstering, a unique GR-branded steering wheel, aluminum sport pedals, and a comprehensive suite of safety features including ABS (Anti-lock braking system). Interior upholstery is typically a combination of fabric and synthetic leather. Optional extras may include a premium audio system, a larger touchscreen infotainment display, and exterior styling enhancements such as carbon fiber accents. The dashboard configuration is specific to the GR model, featuring unique gauges and displays to reflect its performance focus.
Chassis & Braking
The Corolla GR utilizes an independent McPherson strut suspension in the front, paired with a double wishbone suspension in the rear, both featuring coil springs and an anti-roll bar. This suspension setup is designed to minimize body roll and maximize grip during cornering. The braking system consists of ventilated discs on all four wheels, with larger 355×28 mm discs in the front and 297×18 mm discs in the rear. The electric power steering system provides precise and responsive steering feel. The car rides on 235/40 R18 tires mounted on 8.5J x 18 inch wheel rims.
Market Reception & Comparison
The Toyota Corolla GR has been generally well-received by automotive critics, praised for its performance, handling, and value. It’s often compared favorably to rivals such as the Volkswagen Golf GTI, Honda Civic Si, and Hyundai Elantra N. While the Corolla GR’s fuel economy (9.8 l/100 km combined – 24 US mpg, 28.8 UK mpg, 10.2 km/l) is slightly lower than that of the standard Corolla Hatchback, it remains competitive within the hot hatch segment. Reliability is expected to be strong, consistent with Toyota’s reputation. Some critics have noted that the iMT transmission may not appeal to purist manual transmission enthusiasts, but its ease of use and performance benefits are widely acknowledged.
Technical Specifications
| Body Type | Hatchback, 5 Doors, 5 Seats |
| Fuel Economy (Urban) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l) |
| Fuel Economy (Extra Urban) | 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l) |
| Fuel Economy (Combined) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0-60 mph | 4.9 sec |
| Maximum Speed | 230 km/h (142.92 mph) |
| Emission Standard | LEV III ULEV70 |
| Weight-to-Power Ratio | 5 kg/Hp |
| Weight-to-Torque Ratio | 3.7 kg/Nm |
| Power | 300 Hp @ 6500 rpm |
| Torque | 400 Nm @ 3250-4600 rpm (295.02 lb.-ft. @ 3250-4600 rpm) |
| Engine Layout | Front, Transverse |
| Engine Model/Code | G16E-GTS |
| Engine Displacement | 1618 cm3 (98.74 cu. in.) |
| Number of Cylinders | 3 |
| Engine Configuration | Inline |
| Cylinder Bore | 87.5 mm (3.44 in.) |
| Piston Stroke | 89.7 mm (3.53 in.) |
| Compression Ratio | 10.5:1 |
| Number of Valves per Cylinder | 4 |
| Fuel Injection System | Direct injection and Multi-port manifold injection |
| Engine Aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine Oil Capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Kerb Weight | 1485-1498 kg (3273.86 – 3302.52 lbs.) |
| Trunk (Boot) Space (minimum) | 504 l (17.8 cu. ft.) |
| Fuel Tank Capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4409 mm (173.58 in.) |
| Width | 1849 mm (72.8 in.) |
| Height | 1478 mm (58.19 in.) |
| Wheelbase | 2639 mm (103.9 in.) |
| Front/Rear Track | 1590 mm (62.6 in.) |
| Ride Height (Ground Clearance) | 135 mm (5.31 in.) |
| Drag Coefficient (Cd) | 0.35 |
| Minimum Turning Circle | 11 m (36.09 ft.) |
| Drivetrain Architecture | All wheel drive (4×4). Internal Combustion engine. |
| Number of Gears & Gearbox Type | 6 gears, manual transmission iMT |
| Front Suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear Suspension | Double wishbone, Transverse stabilizer, Coil spring |
| Front Brakes | Ventilated discs, 355×28 mm |
| Rear Brakes | Ventilated discs, 297×18 mm |
| Tire Size | 235/40 R18 |
| Wheel Rim Size | 8.5J x 18 |
Legacy
The Toyota Corolla GR 1.6 (300 Hp) GR-FOUR iMT is poised to become a sought-after model in the used car market. Its combination of performance, practicality, and Toyota’s reputation for reliability makes it an attractive option for enthusiasts. The G16E-GTS engine, while relatively new, is expected to be durable with proper maintenance. The GR-FOUR all-wheel-drive system is also considered robust. As with any performance vehicle, regular servicing and the use of high-quality fluids are crucial for long-term reliability. The GR’s impact extends beyond its immediate sales figures; it has elevated the Corolla’s image and demonstrated Toyota’s commitment to building engaging and exciting vehicles.
