The Hyundai i30 III CW (facelift 2024) 1.5 T-GDI (140 hp) Mild Hybrid DCT represents a significant iteration within the third generation of Hyundai’s globally successful i30 compact family. Introduced in June 2024, this variant combines a turbocharged gasoline engine with a 48-volt mild hybrid system and a dual-clutch transmission (DCT), offering a balance of performance, efficiency, and modern technology. Positioned as a mid-range offering within the i30 CW (station wagon) lineup, it caters to buyers seeking a practical and fuel-conscious vehicle without sacrificing driving enjoyment. This model is primarily targeted towards the European market, where the station wagon body style remains popular, though it may also be available in select other regions.
Technical Specifications
| Brand | Hyundai |
| Model | i30 |
| Generation | i30 III CW (facelift 2024) |
| Type (Engine) | 1.5 T-GDI (140 Hp) Mild Hybrid DCT |
| Start of production | June, 2024 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 5.8-6.4 l/100 km (40.6 – 36.8 US mpg, 48.7 – 44.1 UK mpg, 17.2 – 15.6 km/l) |
| CO2 emissions (WLTP) | 131-146 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.9 sec |
| Acceleration 0 – 62 mph | 9.9 sec |
| Acceleration 0 – 60 mph | 9.4 sec |
| Maximum speed | 197 km/h (122.41 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 9.6 kg/Hp, 104.7 Hp/tonne |
| Weight-to-torque ratio | 5.3 kg/Nm, 189.2 Nm/tonne |
| Battery voltage | 48 V |
| Power | 140 Hp @ 5500 rpm |
| Power per litre | 94.5 Hp/l |
| Torque | 253 Nm @ 1500-3000 rpm (186.6 lb.-ft. @ 1500-3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | G4LK |
| Engine displacement | 1482 cm3 (90.44 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 71.5 mm (2.81 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.2 l (4.44 US qt | 3.7 UK qt) |
| Coolant | 6.6 l (6.97 US qt | 5.81 UK qt) |
| Kerb Weight | 1337-1474 kg (2947.58 – 3249.61 lbs.) |
| Max. weight | 1900 kg (4188.78 lbs.) |
| Max load | 426-563 kg (939.17 – 1241.2 lbs.) |
| Trunk (boot) space – minimum | 602 l (21.26 cu. ft.) |
| Trunk (boot) space – maximum | 1650 l (58.27 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Max. roof load | 80 kg (176.37 lbs.) |
| Permitted trailer load with brakes (12%) | 1210 kg (2667.59 lbs.) |
| Permitted trailer load without brakes | 610 kg (1344.82 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4585 mm (180.51 in.) |
| Width | 1795 mm (70.67 in.) |
| Height | 1475 mm (58.07 in.) |
| Wheelbase | 2650 mm (104.33 in.) |
| Front track | 1555-1559 mm (61.22 – 61.38 in.) |
| Rear (Back) track | 1563-1567 mm (61.54 – 61.69 in.) |
| Front overhang | 905 mm (35.63 in.) |
| Rear overhang | 1030 mm (40.55 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drivetrain Architecture | ICE and electric motor drive the front wheels |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission DCT |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/45 R17; 225/40 R18 |
| Wheel rims size | 7.0J x 17; 7.5J x 18 |
Powertrain & Engine Architecture
At the heart of the i30 CW 1.5 T-GDI Mild Hybrid lies the Hyundai-Kia G4LK engine, a 1.5-liter inline-four cylinder gasoline engine. This engine utilizes direct fuel injection and is coupled with a single turbocharger and intercooler to enhance power and efficiency. The engine produces 140 horsepower at 5500 rpm and 253 Nm (186.6 lb-ft) of torque between 1500 and 3000 rpm. The mild hybrid system incorporates a 48-volt electric motor and battery pack, providing assistance during acceleration and enabling features like start-stop functionality. This system doesn’t allow for electric-only driving but contributes to improved fuel economy and reduced emissions. The engine is paired with a 7-speed dual-clutch transmission (DCT), known for its quick and smooth gear changes. This DCT is a key component in optimizing the engine’s performance and responsiveness.
Driving Characteristics
The 140 hp 1.5 T-GDI with the DCT offers a comfortable and refined driving experience. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 9.9 seconds. While not a performance-oriented variant, the turbocharger provides adequate power for everyday driving and overtaking maneuvers. The DCT contributes to a responsive feel, with quick shifts and minimal torque interruption. Compared to lower-powered i30 variants, this engine offers a noticeable improvement in performance. However, it doesn’t match the punch of higher-output engines available in the lineup. The mild hybrid system provides a subtle boost during acceleration, enhancing the overall driving experience. The DCT’s gear ratios are tuned for a balance between fuel efficiency and performance, prioritizing smooth cruising and responsive acceleration in typical driving conditions.
Equipment & Trim Levels
The i30 CW 1.5 T-GDI Mild Hybrid DCT typically comes well-equipped, reflecting its mid-range positioning. Standard features often include air conditioning, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, Bluetooth connectivity, and a suite of safety features such as lane keeping assist, forward collision avoidance assist, and automatic emergency braking. Interior upholstery is usually cloth, with options for leather upgrades. Higher trim levels may add features like a larger touchscreen, navigation system, heated seats, a panoramic sunroof, and advanced driver-assistance systems. The dashboard layout is modern and functional, with a focus on user-friendliness.
Chassis & Braking
The i30 CW utilizes a front-wheel-drive platform with independent suspension on all four wheels. The front suspension employs a McPherson strut design, while the rear features a multi-link setup. This configuration provides a good balance between ride comfort and handling. The braking system consists of disc brakes on all four wheels, providing adequate stopping power. Anti-lock braking system (ABS) is standard, along with electronic stability control (ESC). The suspension is tuned to prioritize comfort, but it also offers reasonable body control during cornering. Stabilizer bars are fitted to both the front and rear axles to reduce body roll.
Market Reception & Comparison
The Hyundai i30 CW 1.5 T-GDI Mild Hybrid DCT has been generally well-received by automotive critics. It’s praised for its fuel efficiency, comfortable ride, and well-equipped interior. Compared to other trims in the i30 lineup, this variant offers a compelling balance of performance and economy. The mild hybrid system contributes to lower CO2 emissions, making it an attractive option for environmentally conscious buyers. Fuel economy figures range from 5.8 to 6.4 liters per 100 kilometers (40.6 to 36.8 US mpg), depending on driving conditions. Reliability has been generally good, with Hyundai known for its robust build quality and comprehensive warranty.
Legacy
The G4LK engine and 7-speed DCT combination have proven to be reliable powertrains in various Hyundai and Kia models. The mild hybrid technology represents a step towards greater electrification, and its integration into the i30 CW demonstrates Hyundai’s commitment to reducing emissions. In the used car market, the i30 CW 1.5 T-GDI Mild Hybrid DCT is expected to hold its value well due to its fuel efficiency, practicality, and modern features. Regular maintenance, including oil changes and adherence to the manufacturer’s service schedule, will be crucial for ensuring the long-term reliability of this powertrain.
