The Kia Stonic (facelift 2025) 1.0 T-GDI 115 Hp Mild Hybrid represents Kia’s entry point into the subcompact crossover market, offering a blend of fuel efficiency, modern styling, and accessible technology. Introduced in September 2025, this variant builds upon the initial Stonic platform (introduced in 2017) with a significant facelift, incorporating updated design cues and powertrain refinements. It’s positioned as a value-oriented option within the Stonic lineup, appealing to buyers seeking a practical and economical urban vehicle. The Stonic, in general, is primarily marketed in Europe and select global markets, serving as a key model in Kia’s strategy to expand its presence in the competitive B-segment crossover class.
Technical Specifications
| Brand | Kia |
| Model | Stonic |
| Generation | Stonic (facelift 2025) |
| Type (Engine) | 1.0 T-GDI (115 Hp) Mild Hybrid |
| Start of production | September, 2025 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Crossover |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption at Low speed (WLTP) | 7.3 l/100 km (32.2 US mpg, 38.7 UK mpg, 13.7 km/l) |
| Fuel consumption at Medium speed (WLTP) | 5.4 l/100 km (43.6 US mpg, 52.3 UK mpg, 18.5 km/l) |
| Fuel consumption at high speed (WLTP) | 4.9 l/100 km (48 US mpg, 57.6 UK mpg, 20.4 km/l) |
| Fuel consumption at very high speed (WLTP) | 6.0 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 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 | 10.7 sec |
| Acceleration 0 – 62 mph | 10.7 sec |
| Acceleration 0 – 60 mph | 10.2 sec |
| Maximum speed | 182 km/h (113.09 mph) |
| Emission standard | Euro 6e bis |
| Weight-to-power ratio | 10.1 kg/Hp |
| Weight-to-torque ratio | 6.7 kg/Nm |
| Battery voltage | 48 V |
| Power | 115 Hp @ 6000 rpm |
| Torque | 172 Nm @ 1500-3500 rpm (126.86 lb.-ft. @ 1500-3500 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 | 11.5:1 |
| 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 | 1160-1253 kg (2557.36 – 2762.39 lbs.) |
| Max. weight | 1680 kg (3703.77 lbs.) |
| Max load | 427-520 kg (941.37 – 1146.4 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%) | 900 kg (1984.16 lbs.) |
| Permitted trailer load without brakes | 450 kg (992.08 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4165 mm (163.98 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 mm (60.28 in.) |
| Rear (Back) track | 1539 mm (60.59 in.) |
| Front overhang | 855 mm (33.66 in.) |
| Rear overhang | 730 mm (28.74 in.) |
| Ride height (ground clearance) | 183 mm (7.2 in.) |
| Minimum turning circle | 10.4 m (34.12 ft.) |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Coil spring, Elastic beam |
| Front brakes | Ventilated discs, 280 mm |
| Rear brakes | Disc, 262 mm |
| Tires size | 205/55 R17 91V |
| Wheel rims size | 6.5J x 17 ET49 |
| Gearbox | 6 gears, manual transmission |
INTRODUCTION
The 2025 Kia Stonic 1.0 T-GDI Mild Hybrid is a front-wheel-drive subcompact crossover that represents a significant update to Kia’s popular B-segment vehicle. The facelifted model, launched in September 2025, features revised exterior styling, an upgraded interior, and enhanced technology. This particular variant, powered by the 1.0-liter turbocharged three-cylinder engine with mild-hybrid assistance, is designed to appeal to buyers prioritizing fuel economy and affordability. It slots into the Stonic range as a mid-level offering, positioned above the base engine options but below the more powerful and feature-rich trims. The Stonic competes directly with vehicles like the Hyundai Kona, Volkswagen T-Cross, and Renault Captur in the European market, where it has gained considerable traction due to its stylish design and practical features.
Powertrain & Engine Architecture
At the heart of the Stonic 1.0 T-GDI Mild Hybrid lies the G3LF engine, a 998cc turbocharged three-cylinder gasoline engine. This engine utilizes direct fuel injection and Kia’s Continuously Variable Valve Duration (CVVD) technology, which optimizes valve timing based on driving conditions to improve efficiency and performance. The mild-hybrid system incorporates a 48V electric motor and a small battery pack, providing assistance during acceleration and enabling start-stop functionality. The engine produces 115 horsepower at 6000 rpm and 172 Nm (126.86 lb.-ft.) of torque between 1500 and 3500 rpm. The engine is transversely mounted at the front of the vehicle. The 6-speed manual transmission is standard, delivering power to the front wheels. The mild-hybrid system doesn’t allow for electric-only driving, but it does contribute to reduced emissions and improved fuel economy.
Driving Characteristics
The Stonic 1.0 T-GDI Mild Hybrid offers a surprisingly refined driving experience for a vehicle in its class. While not exceptionally powerful, the engine provides adequate acceleration for urban and highway driving. The turbocharger minimizes turbo lag, delivering a relatively linear power delivery. The 6-speed manual transmission is well-matched to the engine’s characteristics, offering precise shifts and a reasonable gear spread. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 10.7 seconds. The mild-hybrid system provides a subtle boost during acceleration, enhancing responsiveness. Compared to higher-output Stonic variants, this version prioritizes fuel efficiency over outright performance. The suspension is tuned for comfort, providing a compliant ride over most road surfaces, although it can feel slightly unsettled on rougher terrain.
Equipment & Trim Levels
The 2025 Stonic 1.0 T-GDI Mild Hybrid typically comes equipped with a range of standard features, including air conditioning, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, Bluetooth connectivity, and a suite of safety features such as lane departure warning, forward collision avoidance assist, and automatic emergency braking. Interior upholstery is typically cloth, with options for upgraded materials available on higher trims. Optional extras may include a larger touchscreen display, a rearview camera, parking sensors, and a premium audio system. The dashboard layout is modern and functional, with a focus on ease of use. Trim levels vary by market, but generally offer progressively more features and styling enhancements.
Chassis & Braking
The Stonic utilizes a front-wheel-drive chassis with an independent McPherson strut suspension at the front and a semi-independent elastic beam suspension at the rear. This setup provides a good balance between ride comfort and handling. The steering is electrically assisted, offering light and precise control. The braking system consists of ventilated discs at the front and solid discs at the rear. Anti-lock Braking System (ABS) is standard, along with Electronic Stability Control (ESC). The suspension is tuned to prioritize comfort, but the Stonic still offers reasonably stable handling characteristics. The relatively lightweight construction of the vehicle contributes to its agility.
Market Reception & Comparison
The Kia Stonic 1.0 T-GDI Mild Hybrid has been generally well-received by automotive critics, who praise its stylish design, fuel efficiency, and value for money. The mild-hybrid powertrain is seen as a positive step towards reducing emissions and improving fuel economy. Compared to the non-hybrid Stonic variants, the mild-hybrid version offers improved fuel efficiency, albeit at a slightly higher price point. Against its competitors, the Stonic stands out with its bold styling and generous warranty. Some critics have noted that the interior materials could be of higher quality, and the rear passenger space is somewhat limited. However, overall, the Stonic 1.0 T-GDI Mild Hybrid is considered a competitive offering in the subcompact crossover segment.
Legacy
The Kia Stonic, and specifically the 1.0 T-GDI Mild Hybrid variant, is expected to maintain a reasonable level of reliability in the used car market. The G3LF engine has proven to be relatively robust, and the mild-hybrid system is generally reliable. Regular maintenance, including oil changes and adherence to the manufacturer’s recommended service intervals, will be crucial for ensuring long-term durability. As a relatively new model, long-term reliability data is still emerging, but early indications suggest that the Stonic is a dependable vehicle. Its fuel efficiency and affordable running costs are likely to make it a popular choice among budget-conscious buyers in the used car market.
