The Hyundai Tucson III, specifically the facelifted model produced from 2018 to 2020, represented a significant step forward for Hyundai’s popular compact SUV. Among the various engine and transmission options available, the 2.4 GDI (Gasoline Direct Injection) paired with a six-speed automatic transmission – producing 181 horsepower – occupied a central position in the North American market. This configuration aimed to balance performance, fuel efficiency, and affordability, making it a common choice for families and commuters. The Tucson III, built on the HJ platform, was designed to compete directly with established rivals like the Honda CR-V, Toyota RAV4, and Nissan Rogue.
Technical Specifications
| Brand | Hyundai |
| Model | Tucson |
| Generation | Tucson III (facelift 2018) |
| Type (Engine) | 2.4 GDI (181 Hp) Automatic |
| Start of production | 2018 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.8 kg/Hp, 114.3 Hp/tonne |
| Weight-to-torque ratio | 6.7 kg/Nm, 149.6 Nm/tonne |
| Power | 181 Hp @ 6000 rpm |
| Power per litre | 76.7 Hp/l |
| Torque | 237 Nm @ 4000 rpm (174.8 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | G4KJ |
| Engine displacement | 2359 cm3 (143.96 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 88 mm (3.46 in.) |
| Piston Stroke | 97 mm (3.82 in.) |
| Compression ratio | 11.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, D-CVVT |
| Engine oil capacity | 4.8 l (5.07 US qt | 4.22 UK qt) |
| Coolant | 7.1 l (7.5 US qt | 6.25 UK qt) |
| Kerb Weight | 1584 kg (3492.12 lbs.) |
| Max. weight | 2140 kg (4717.89 lbs.) |
| Max load | 556 kg (1225.77 lbs.) |
| Trunk (boot) space – minimum | 878 l (31.01 cu. ft.) |
| Trunk (boot) space – maximum | 1753 l (61.91 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Length | 4475 mm (176.18 in.) |
| Width | 1849 mm (72.8 in.) |
| Height | 1651 mm (65 in.) |
| Wheelbase | 2670 mm (105.12 in.) |
| Minimum turning circle | 10.6 m (34.78 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | automatic transmission SHIFTRONIC |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R18; 245/45 R19 |
| Wheel rims size | 7.0J x 18; 7.5J x 19 |
Powertrain & Engine Architecture
The heart of this Tucson variant is the Hyundai G4KJ 2.4-liter inline-four cylinder engine. This engine utilizes Gasoline Direct Injection (GDI) technology, where fuel is injected directly into the combustion chamber, improving efficiency and power output. The G4KJ features a dual overhead camshaft (DOHC) valvetrain with Hyundai’s D-CVVT (Dual Continuous Variable Valve Timing) system, optimizing valve timing for improved performance across the engine’s operating range. The six-speed automatic transmission, branded “SHIFTRONIC,” provides smooth gear changes and allows for manual gear selection. This transmission was chosen for its balance of efficiency and responsiveness, catering to the needs of everyday drivers. The engine’s design prioritized reliability and ease of maintenance, typical of Hyundai’s engineering philosophy.
Driving Characteristics
The 181 horsepower and 174.8 lb-ft of torque delivered by the 2.4 GDI engine, coupled with the six-speed automatic, provided adequate performance for most driving situations. Acceleration from 0 to 60 mph was typically in the 8.5 to 9.5 second range. While not a sporty performer, the Tucson offered sufficient power for highway merging and passing maneuvers. The automatic transmission was programmed for fuel efficiency, resulting in slightly slower shifts compared to more performance-oriented setups. Compared to the base 1.6L turbocharged engine, the 2.4 GDI offered a more linear power delivery and felt less strained under heavy load. It also provided a noticeable advantage over the diesel options available in other markets, offering a quieter and smoother driving experience.
Equipment & Trim Levels
The 2.4 GDI automatic trim typically fell into the mid-range of the Tucson III lineup. Standard features often included air conditioning, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, a rearview camera, and a suite of safety features like ABS, electronic stability control, and multiple airbags. Higher trim levels added features such as leather upholstery, a panoramic sunroof, heated seats, and advanced driver-assistance systems like blind-spot monitoring and lane departure warning. Interior upholstery was typically cloth on the base 2.4 GDI models, with leather available as an upgrade. Dashboard configurations were generally consistent across trims, with variations in trim materials and feature availability.
Chassis & Braking
The Tucson III utilized a front-wheel-drive platform with independent suspension at all four corners. The front suspension employed a McPherson strut design, while the rear featured a multi-link setup. This configuration provided a comfortable ride quality and decent handling characteristics. Front brakes were ventilated discs, offering good stopping power, while rear brakes were solid discs. The electric power steering provided light and precise steering feel. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The suspension tuning was geared towards comfort rather than outright sportiness, making it well-suited for everyday driving conditions.
Market Reception & Comparison
Critics generally praised the 2018-2020 Hyundai Tucson III 2.4 GDI Automatic for its spacious interior, comfortable ride, and value for money. The engine was considered adequate for most drivers, although some reviewers noted that it lacked the punch of turbocharged competitors. Fuel economy was rated at around 22 mpg city and 30 mpg highway, which was competitive within its class. Compared to the 1.6L turbo, the 2.4 GDI offered greater long-term reliability due to its simpler design. Compared to the diesel options available in Europe, the 2.4 GDI was favored for its quieter operation and lower maintenance costs in the US market.
Legacy
The Hyundai Tucson III 2.4 GDI Automatic has proven to be a reliable and durable vehicle in the used car market. The G4KJ engine is known for its longevity, and the six-speed automatic transmission has a good track record. Common maintenance items include routine oil changes, spark plug replacements, and occasional sensor replacements. While not without its flaws, the Tucson III 2.4 GDI remains a popular choice for buyers seeking a practical and affordable compact SUV. Its blend of comfort, features, and reliability has cemented its place as a strong contender in the crowded compact SUV segment.


