The Kia K5, specifically the 2.5 GDI (191 Hp) AWD Automatic variant introduced with the 2023 facelift, represents a significant offering in the mid-size sedan segment. Production began in February 2024, building upon the foundation of the K5 generation, which debuted as a replacement for the Kia Optima. This particular configuration aims to balance performance, all-weather capability, and fuel efficiency, positioning itself as a compelling option for buyers seeking a well-equipped and modern family sedan. The K5 competes directly with models like the Honda Accord, Toyota Camry, and Hyundai Sonata.
Technical Specifications
| Brand | Kia |
| Model | K5 |
| Generation | K5 (facelift 2023) |
| Type (Engine) | 2.5 GDI (191 Hp) AWD Automatic |
| Start of production | February, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan, Fastback |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Emission standard | SULEV 30 |
| Weight-to-power ratio | 8.2 kg/Hp, 121.6 Hp/tonne |
| Weight-to-torque ratio | 6.4 kg/Nm, 156.6 Nm/tonne |
| Power | 191 Hp @ 6100 rpm |
| Power per litre | 76.5 Hp/l |
| Torque | 246 Nm @ 4000 rpm, 181.44 lb.-ft. @ 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 | 13:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Kerb Weight | 1571 kg, 3463.46 lbs |
| Max. weight | 2050 kg, 4519.48 lbs |
| Max load | 479 kg, 1056.01 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 | 1618 mm, 63.7 in |
| Rear (Back) track | 1626 mm, 64.02 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 permanently, and the rear wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 304.8 mm |
| Rear brakes | Disc, 284.48 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 235/45 R18 94V |
| Wheel rims size | 7.5J x 18 |
Powertrain & Engine Architecture
At the heart of the K5 2.5 GDI AWD Automatic lies the Kia-Hyundai Theta III engine family. This 2.497-liter (152.38 cubic inches) inline-four cylinder engine utilizes direct fuel injection (GDI) and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. The engine produces 191 horsepower at 6,100 rpm and 246 Nm (181.44 lb-ft) of torque at 4,000 rpm. The high compression ratio of 13:1 contributes to both power output and fuel efficiency. The Theta III engine is known for its relatively smooth operation and responsiveness. The engine is paired with an 8-speed automatic transmission, which is a crucial component in delivering power to all four wheels via Kia’s all-wheel-drive system. This AWD system employs a multi-plate clutch to distribute torque between the front and rear axles as needed, enhancing traction in various driving conditions.
Driving Characteristics
The 191 hp and 246 Nm of torque provide adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph is estimated to be around 7.8 seconds. The 8-speed automatic transmission is generally smooth and responsive, offering well-spaced gear ratios. Compared to the base 1.6L turbocharged engine, the 2.5 GDI offers a more linear power delivery, making it feel more predictable and easier to modulate. While the manual transmission isn’t available with the 2.5L engine, the automatic is well-tuned for everyday driving. The AWD system provides enhanced grip and stability, particularly in inclement weather, but it does add some weight compared to front-wheel-drive versions, slightly impacting fuel economy.
Equipment & Trim Levels
The K5 2.5 GDI AWD Automatic typically comes well-equipped, often positioned as a mid-range or upper-mid-range trim level. Standard features generally include a large touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, a suite of advanced driver-assistance systems (ADAS) such as forward collision avoidance assist, lane keeping assist, and adaptive cruise control, and comfortable cloth or synthetic leather upholstery. Higher trim levels add features like a panoramic sunroof, premium audio system, heated and ventilated front seats, and a wireless charging pad. Optional extras often include premium paint colors and various accessory packages.
Chassis & Braking
The K5 utilizes a front independent McPherson strut suspension and a rear independent multi-link suspension. This setup provides a good balance between ride comfort and handling. The front brakes are ventilated discs measuring 304.8 mm, while the rear brakes are solid discs measuring 284.48 mm. Anti-lock braking system (ABS) is standard, along with electronic stability control. The suspension is tuned to prioritize comfort, but it remains reasonably composed during cornering. The AWD system contributes to improved stability and handling, especially on slippery surfaces.
Market Reception & Comparison
The K5 2.5 GDI AWD Automatic has been generally well-received by automotive critics. It’s praised for its stylish design, spacious interior, and comprehensive suite of features. Fuel economy is respectable, with EPA estimates around 26 mpg city / 34 mpg highway. Compared to the base 1.6L turbo, the 2.5 GDI offers a more refined driving experience and slightly better fuel economy in real-world conditions. However, the 1.6L turbo provides quicker acceleration. Reliability has been generally good, although some owners have reported minor issues with the infotainment system. The AWD system adds a price premium but provides a significant advantage in regions with harsh winters or challenging road conditions.
Legacy
The Kia K5, and specifically the 2.5 GDI AWD Automatic variant, represents a step forward in Kia’s commitment to producing stylish, well-equipped, and technologically advanced vehicles. The Theta III engine has proven to be a reliable powerplant, and the 8-speed automatic transmission is known for its smooth operation. On the used car market, these models are expected to hold their value reasonably well due to their appealing combination of features, performance, and all-weather capability. As Kia continues to refine its lineup, the K5 2.5 GDI AWD Automatic will likely be remembered as a key model in establishing Kia as a major player in the mid-size sedan segment.
