The Kia Stonic (facelift 2020) 1.0 T-GDI 100 Hp Mild Hybrid DCT represents a key variant within the second generation of Kia’s subcompact crossover. Introduced in May 2024 and continuing through September 2025, this model aimed to provide an efficient and accessible entry point into the Stonic lineup, particularly in European and Asian markets. It’s built on the Kia/Hyundai B-platform, shared with models like the Hyundai Kona and Kia Rio. This version combined a turbocharged three-cylinder engine with a 48-volt mild hybrid system and a dual-clutch transmission (DCT) to balance performance with fuel economy and reduced emissions.
Technical Specifications
| Brand | Kia |
| Model | Stonic |
| Generation | Stonic (facelift 2020) |
| Type (Engine) | 1.0 T-GDI (100 Hp) Mild Hybrid DCT |
| Start of production | May, 2024 |
| End of production | September, 2025 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Crossover |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption at Low speed (WLTP) | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| Fuel consumption at Medium speed (WLTP) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption at high speed (WLTP) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| Fuel consumption at very high speed (WLTP) | 6.2 l/100 km (37.9 US mpg, 45.6 UK mpg, 16.1 km/l) |
| Combined fuel consumption (WLTP) | 5.7 l/100 km (41.3 US mpg, 49.6 UK mpg, 17.5 km/l) |
| CO2 emissions (WLTP) | 129 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 12.4 sec |
| Acceleration 0 – 62 mph | 12.4 sec |
| Acceleration 0 – 60 mph | 11.8 sec |
| Maximum speed | 176 km/h (109.36 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 11.9 kg/Hp, 84.4 Hp/tonne |
| Weight-to-torque ratio | 5.9 kg/Nm, 168.8 Nm/tonne |
| Battery voltage | 48 V |
| Power | 100 Hp @ 6000 rpm |
| Torque | 200 Nm @ 2000-2500 rpm (147.51 lb.-ft. @ 2000-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | G3LF |
| Engine displacement | 998 cm3 (60.9 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 71 mm (2.8 in.) |
| Piston Stroke | 84 mm (3.31 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | CVVD |
| Engine oil capacity | 3.6 l (3.8 US qt, 3.17 UK qt) |
| Coolant | 5.9 l (6.23 US qt, 5.19 UK qt) |
| Kerb Weight | 1185-1288 kg (2612.48 – 2839.55 lbs.) |
| Max. weight | 1710 kg (3769.9 lbs.) |
| Max load | 422-525 kg (930.35 – 1157.43 lbs.) |
| Trunk (boot) space – minimum | 352 l (12.43 cu. ft.) |
| Trunk (boot) space – maximum | 1155 l (40.79 cu. ft.) |
| Fuel tank capacity | 45 l (11.89 US gal, 9.9 UK gal) |
| Max. roof load | 70 kg (154.32 lbs.) |
| Permitted trailer load with brakes (12%) | 710 kg (1565.28 lbs.) |
| Permitted trailer load without brakes | 450 kg (992.08 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4140 mm (162.99 in.) |
| Width | 1760 mm (69.29 in.) |
| Width including mirrors | 2025 mm (79.72 in.) |
| Height | 1520 mm (59.84 in.) |
| Wheelbase | 2580 mm (101.57 in.) |
| Front track | 1531-1573 mm (60.28 – 61.93 in.) |
| Rear (Back) track | 1539-1544 mm (60.59 – 60.79 in.) |
| Front overhang | 830 mm (32.68 in.) |
| Rear overhang | 730 mm (28.74 in.) |
| Minimum turning circle | 10.4 m (34.12 ft.) |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission DCT |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Coil spring, Elastic beam |
| Front brakes | Ventilated discs, 280 mm |
| Rear brakes | Disc, 262 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 185/65 R15 88H; 195/55 R16 87H; 205/55 R17 91V |
| Wheel rims size | 6.0J x 15 ET46; 6.0J x 16 ET49; 6.5J x 17 ET49 |
Powertrain & Engine Architecture
The heart of this Stonic variant is the Kia/Hyundai G3LF engine, a 998cc turbocharged three-cylinder gasoline engine. This engine utilizes direct injection and a sophisticated Continuously Variable Valve Duration (CVVD) system, allowing for precise control of valve timing and lift to optimize combustion efficiency and reduce emissions. The turbocharger, coupled with an intercooler, helps to boost power output despite the small displacement. The mild hybrid system, employing a 48V battery, provides a small power assist during acceleration and enables start-stop functionality for improved fuel economy. The engine is transversely mounted, driving the front wheels. The 7-speed Dual Clutch Transmission (DCT) offers quick and smooth gear changes, contributing to a more engaging driving experience compared to a traditional automatic.
Driving Characteristics
The 1.0 T-GDI 100 Hp Mild Hybrid DCT Stonic delivers adequate performance for urban and suburban driving. Acceleration to 60 mph takes around 11.8 seconds, and top speed is 176 km/h (109 mph). While not particularly sporty, the turbocharger provides a noticeable boost in power, making overtaking maneuvers manageable. The DCT transmission contributes to responsive shifts, but can sometimes exhibit slight hesitation at low speeds. Compared to higher-output Stonic variants, such as those with more powerful gasoline engines, this version prioritizes fuel efficiency over outright performance. The mild hybrid system is largely unobtrusive, providing a subtle assist during acceleration. The gear ratios are tuned for economy, meaning the engine can feel slightly strained when climbing hills or carrying a full load.
Equipment & Trim Levels
The 1.0 T-GDI Mild Hybrid DCT trim typically sat in the mid-range of the Stonic lineup. Standard equipment generally included air conditioning, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, Bluetooth connectivity, and a suite of safety features such as ABS, ESC, and multiple airbags. Higher trim levels added features like automatic climate control, a larger touchscreen display, a reversing camera, parking sensors, and alloy wheels. Interior upholstery was typically cloth, with options for partial leather trim on higher-spec models. Available optional extras included a sunroof, navigation system, and advanced driver-assistance systems (ADAS) like lane departure warning and forward collision avoidance.
Chassis & Braking
The Stonic utilizes a front-wheel-drive chassis with independent McPherson strut suspension at the front and a semi-independent elastic beam suspension at the rear. This setup provides a comfortable ride quality, although it’s not particularly sporty. The front brakes are ventilated discs, while the rear brakes are solid discs. The steering is electrically assisted, providing light and precise control. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering. The suspension tuning is geared towards comfort and practicality, rather than performance.
Market Reception & Comparison
The Kia Stonic 1.0 T-GDI Mild Hybrid DCT was generally well-received by critics for its fuel efficiency and affordability. It offered a compelling alternative to other subcompact crossovers in the market, such as the Renault Captur and Peugeot 2008. Compared to the non-hybrid Stonic variants, the mild hybrid version offered improved fuel economy and reduced emissions. However, some reviewers noted that the engine could feel underpowered at times, particularly when fully loaded. The DCT transmission was praised for its responsiveness, but some found it to be slightly jerky at low speeds. Overall, this variant represented a sensible and practical choice for buyers seeking a fuel-efficient and affordable crossover.
Legacy
The Kia Stonic 1.0 T-GDI Mild Hybrid DCT powertrain has proven to be relatively reliable in the used car market. The G3LF engine is known for its durability, and the DCT transmission, while requiring occasional maintenance, is generally robust. The mild hybrid system has also proven to be dependable. However, as with any modern vehicle, regular maintenance is essential to ensure long-term reliability. This variant remains a popular choice for buyers seeking a fuel-efficient and affordable subcompact crossover, and its combination of practicality, affordability, and efficiency has cemented its place in the market.

