The Kia K5, specifically the 2.5 T-GDI variant introduced with the 2023 facelift and entering full production in February 2024, represents a performance-oriented trim level within the K5 lineup. Positioned as a step above the base engine options, this model delivers a substantial 290 horsepower and 422 Nm (311.25 lb.-ft.) of torque. It caters to drivers seeking a more engaging driving experience without sacrificing the practicality and comfort expected of a mid-size sedan. The K5, marketed as a stylish and technologically advanced alternative in the competitive mid-size segment, aims to attract buyers who prioritize both performance and value. This variant builds upon the K5’s foundation as a modern, feature-rich sedan, offering a compelling blend of power, efficiency, and design.
Technical Specifications
| Brand | Kia |
| Model | K5 |
| Generation | K5 (facelift 2023) |
| Type (Engine) | 2.5 T-GDI (290 Hp) DCT |
| Start of production | February, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan, Fastback |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Emission standard | ULEV 70 |
| Weight-to-power ratio | 5.6 kg/Hp, 177.8 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 258.7 Nm/tonne |
| Power | 290 Hp @ 5800 rpm |
| Power per litre | 116.1 Hp/l |
| Torque | 422 Nm @ 1650-4000 rpm, 311.25 lb.-ft. @ 1650-4000 rpm |
| Engine layout | Front, Transverse |
| Engine Model/Code | THETA III |
| Engine displacement | 2497 cm3, 152.38 cu. in. |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 88.5 mm, 3.48 in. |
| Piston Stroke | 101.5 mm, 4 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 | 5.8 l, 6.13 US qt | 5.1 UK qt |
| Coolant | 8.8 l, 9.3 US qt | 7.74 UK qt |
| Kerb Weight | 1631 kg, 3595.74 lbs |
| Max. weight | 2090 kg, 4607.66 lbs |
| Max load | 459 kg, 1011.92 lbs |
| Trunk (boot) space – minimum | 442 l, 15.61 cu. ft |
| Fuel tank capacity | 60 l, 15.85 US gal | 13.2 UK gal |
| Length | 4905 mm, 193.11 in |
| Width | 1859 mm, 73.19 in |
| Height | 1445 mm, 56.89 in |
| Wheelbase | 2850 mm, 112.2 in |
| Front track | 1610 mm, 63.39 in |
| Rear (Back) track | 1618 mm, 63.7 in |
| Front overhang | 945 mm, 37.2 in |
| Rear overhang | 1110 mm, 43.7 in |
| Ride height (ground clearance) | 135 mm, 5.31 in |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle (turning diameter) | 11 m, 36.09 ft |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 8 gears, automatic transmission DCT |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 345.44 mm |
| Rear brakes | Disc, 325.12 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 245/40 R19 94W |
| Wheel rims size | 8.0J x 19 |
Powertrain & Engine Architecture
At the heart of the K5 2.5 T-GDI lies the Theta III engine, a 2.5-liter turbocharged inline-four cylinder gasoline engine. This engine utilizes a combination of direct injection and multi-port fuel injection to optimize combustion efficiency and power delivery. The direct injection system precisely meters fuel directly into the cylinders, while the multi-port injection supplements it during lower engine speeds for smoother operation. The engine features a dual overhead camshaft (DOHC) valvetrain, enhancing airflow and contributing to its high output. The turbocharger, coupled with an intercooler, forces more air into the engine, significantly boosting power and torque. The engine is paired with an 8-speed dual-clutch transmission (DCT). DCTs offer faster and more precise gear changes compared to traditional automatic transmissions, contributing to a more responsive driving experience. The DCT’s programming is tuned to balance performance with fuel efficiency, providing both quick acceleration and reasonable fuel economy.
Driving Characteristics
The 290 horsepower and 311 lb.-ft. of torque produced by the 2.5 T-GDI engine translate into brisk acceleration and confident passing power. The DCT contributes to seamless gear changes, minimizing power interruption during shifts. Compared to the base 1.6-liter turbocharged engine, the 2.5 T-GDI offers a noticeably more powerful and engaging driving experience. While the base engine prioritizes fuel economy, the 2.5 T-GDI focuses on performance. The DCT’s gear ratios are optimized for both acceleration and highway cruising, providing ample power in various driving situations. The front-wheel-drive configuration provides good traction in most conditions, although torque steer can be noticeable under hard acceleration. The suspension is tuned to provide a balance between comfort and handling, offering a relatively smooth ride without sacrificing responsiveness.
Equipment & Trim Levels
The K5 2.5 T-GDI typically comes well-equipped with standard features such as a large touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, a premium sound system, leather upholstery, and a suite of advanced driver-assistance systems (ADAS). These ADAS features often include forward collision avoidance assist, lane keeping assist, and adaptive cruise control. Optional extras may include a panoramic sunroof, ventilated front seats, and a head-up display. The interior design emphasizes a modern and upscale aesthetic, with high-quality materials and a driver-focused layout. Trim levels above the base 2.5 T-GDI may offer additional luxury features and cosmetic enhancements.
Chassis & Braking
The K5 utilizes an independent McPherson strut suspension in the front and an independent multi-link suspension in the rear. This suspension setup provides a good balance of ride comfort and handling precision. The front brakes are ventilated discs measuring 345.44 mm, while the rear brakes are solid discs measuring 325.12 mm. This braking system provides ample stopping power for the vehicle’s weight and performance capabilities. An anti-lock braking system (ABS) is standard, enhancing safety and control during emergency braking situations. The electric power steering provides precise and responsive steering feel, with varying levels of assistance depending on driving speed.
Market Reception & Comparison
The Kia K5 2.5 T-GDI has generally received positive reviews from automotive critics, who praise its powerful engine, responsive transmission, and stylish design. Compared to competitors such as the Honda Accord, Toyota Camry, and Hyundai Sonata, the K5 offers a more sporty driving experience and a more distinctive exterior design. Fuel economy is competitive within its class, although it is slightly lower than that of the base engine options. Reliability is generally considered to be good, although long-term data is still being collected. The K5’s value proposition is strong, offering a lot of features and performance for the price.
Legacy
The Theta III engine family has proven to be a reliable and durable powertrain in various Kia and Hyundai vehicles. The 2.5 T-GDI variant, while newer, is expected to continue this trend. The DCT transmission, while more complex than traditional automatics, has also demonstrated good reliability in recent years. As the K5 2.5 T-GDI enters the used car market, it is likely to hold its value well due to its performance and features. Its combination of power, style, and technology positions it as a desirable option for buyers seeking a sporty and modern mid-size sedan.
