KIA K8 specifications and photos
The 2021 KIA K8 is a premium E-segment sedan representing the first generation of this nameplate, which replaces the outgoing K7. Built on a modern front-wheel-drive platform, this sedan showcases the brand's updated design direction and new logo.
KIA K8 at a glance
Quick model context before comparing photos and trim-level specifications.
Introduced in early 2021, the KIA K8 marks a significant shift for the brand as the successor to the K7. Transitioning to the N3 platform, which it shares with models like the Sorento, the K8 is longer and wider than its predecessor, measuring 5,015 mm in length with a 2,895 mm wheelbase. This architecture allows for a more rigid body structure and supports both front-wheel and all-wheel drive configurations. The K8 represents KIA's push into a more premium segment, offering executive-level packaging and a distinct, modern road presence. It serves as a flagship passenger sedan aimed at customers who value ride refinement, contemporary interior styling, and a choice of traditional gasoline, liquid propane, or hybrid powerplants.
- Power: 198-300 hp
- Engine displacement: 1598-3470 cc
- Transmissions: 8-speed automatic, 6-speed automatic
- Seating: 5 seats
Photos, trims and specifications for KIA K8
This model page brings gallery images, trim comparison, and detailed technical data together for the 2021 generation.
Estimate fuel cost
Use trim-level fuel consumption data to estimate monthly and yearly fuel spending.
Fuel costs are estimates. Real consumption can change with driving style, traffic, tires, weather, load, and market-specific equipment.
KIA K8 overview
Editorial context for design, cabin, performance, practicality, and buyer notes.
Design
The exterior design of the KIA K8 is defined by its fastback-like profile and bold styling details. Up front, it features a frameless 'Tiger Nose' grille integrated directly into the bumper, flanked by ten-element daytime running lights that also function as turn signals. The K8 is the first vehicle to wear KIA's redesigned emblem on its hood. Along the sides, character lines flow toward the rear, where a single-piece LED light bar spans the trunk width and splits into distinct Y-shaped light clusters that wrap around the rear quarters. The sedan comes standard with a rack-mounted electric power steering system across all trims.
Interior
Inside, the K8 offers a multi-layered dashboard anchored by a curved glass panel housing dual 12.3-inch screens for the instrument cluster and infotainment. Higher-grade models feature an Ergo Motion driver's seat with seven pneumatic chambers that adjust support based on speed or drive mode. The cabin uses premium materials like Nappa leather, metal trim, and natural wood veneers. Rear passengers benefit from dedicated climate controls, heated and ventilated seats, integrated window shades, and a center armrest with built-in audio controls. Practicality is aided by a 510-liter trunk that includes a pass-through hatch for loading longer items.
Performance
The powertrain lineup consists of four Smartstream engines. The base engine is a 2.5-liter four-cylinder with combined direct and multi-point injection making 198 horsepower, paired with an eight-speed automatic transmission. For more power, a 3.5-liter V6 GDI is available, producing 300 horsepower and offering optional all-wheel drive. A liquid-propane (LPI) version of the 3.5-liter V6 makes 240 horsepower. A hybrid (HEV) variant combines a 1.6-liter turbocharged engine with a 60-horsepower electric motor for a total of 230 horsepower, running through a six-speed automatic transmission. Front-wheel drive is standard on most models, and the V6 utilizes an optional multi-plate clutch to send power to the rear wheels when needed.
Practicality
As a large sedan, the K8 emphasizes passenger space and long-distance comfort. The extended 2,895 mm wheelbase provides generous legroom for rear occupants, making it suitable for executive or family use. The 510-liter trunk is commodious for the class and accommodates several pieces of luggage, while the rear seat pass-through allows owners to transport longer cargo like skis without folding down the seats. Standard rear-seat amenities such as cup holders, storage pockets, and charging ports enhance daily usability.
Safety and tech
The K8 is equipped with nine airbags and a suite of active safety systems. These include adaptive cruise control that uses navigation database mapping to adjust speeds for curves, blind-spot monitoring, surround-view cameras, and a remote parking assistant operated from the key fob. Tech highlights include an optional 12-inch head-up display and a premium 14-speaker Meridian sound system. Adaptive suspension is available on higher-trim V6 models to improve ride comfort and handling stability.
Buyer notes
When shopping for a KIA K8, buyers should consider their daily driving habits and regional availability. The hybrid 1.6-liter engine offers the suitable fuel economy, particularly in city driving, whereas the 3.5-liter V6 delivers the strongest performance and is the only version compatible with all-wheel drive. Lower-tier trims with the 2.5-liter engine provide a balanced entry point but lack premium features like the adaptive suspension, Ergo Motion seating, and Meridian audio. Ensure you confirm the exact equipment levels, as package contents and engine options vary by market.
Trims and key specifications
Use this table to compare the main differences between available configurations.
| Trim / modification | Engine | Power | Seats | Transmission |
|---|---|---|---|---|
| 2.5 GDI (198 hp) 8-speed automatic | 2497 cc | 198 hp | 5 | 8-speed automatic |
| 3.5 GDI (300 hp) 8-speed automatic Sportmatic | 3470 cc | 300 hp | 5 | 8-speed automatic |
| 3.5 GDI (300 hp) 8-speed automatic 4x4 | 3470 cc | 300 hp | 5 | 8-speed automatic |
| 3.5 LPI (240 hp) 8-speed automatic | 3470 cc | 240 hp | 5 | 8-speed automatic |
| 1.6 T-GDI HEV (230 hp) 6-speed automatic | 1598 cc | 230 hp | 5 | 6-speed automatic |
Specifications can vary by market, model year, and equipment package. Use the trim sections below to review the full data for each configuration.
KIA K8 photo gallery
11 images are collected here with the main specifications and trim data for this model.
Photo KIA K8
Specifications by trim
Choose a configuration below to open full technical data grouped by category.
2.5 GDI (198 hp) 8-speed automatic 31 specifications
Specifications
Performance and consumption
| Fuel consumption city, L/100 km | 9.7 |
|---|---|
| Fuel consumption highway, L/100 km | 6.7 |
| Fuel consumption combined, L/100 km | 8.3 |
Engine
| Engine | 2.5 GDI |
|---|---|
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 2497 |
| Cylinder layout | Inline |
| Number of cylinders | 4 |
| Valves | 16 |
| Compression ratio | 13.0:1 |
| Power, hp | 198 |
| RPM at max power | 6100 |
| Torque, Nm | 248 |
| RPM at max torque | 4000 |
Dimensions
| Seats | 5 |
|---|---|
| Length, mm | 5015 |
| Height, mm | 1445 |
| Wheelbase, mm | 2895 |
| Front track, mm | 1631 |
| Rear track, mm | 1638 |
| Kerb weight, kg | 1540 |
| Ground clearance, mm | 145 |
| Width without mirrors, mm | 1875 |
| Trunk capacity, L | 510 |
Transmission and drive
| Transmission | 8-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | Front-wheel drive |
| Number of gears | 8 |
| Transmission manufacturer | Hyundai |
| Automatic transmission | + |
3.5 GDI (300 hp) 8-speed automatic Sportmatic 30 specifications
Specifications
Performance and consumption
| Fuel consumption city, L/100 km | 11.1 |
|---|---|
| Fuel consumption highway, L/100 km | 7.5 |
| Fuel consumption combined, L/100 km | 9.4 |
Engine
| Engine | 3.5 GDI |
|---|---|
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 3470 |
| Cylinder layout | V-type |
| Number of cylinders | 6 |
| Valves | 24 |
| Power, hp | 300 |
| RPM at max power | 6400 |
| Torque, Nm | 359 |
| RPM at max torque | 5000 |
Dimensions
| Seats | 5 |
|---|---|
| Length, mm | 5015 |
| Height, mm | 1445 |
| Wheelbase, mm | 2895 |
| Front track, mm | 1631 |
| Rear track, mm | 1638 |
| Kerb weight, kg | 1540 |
| Ground clearance, mm | 145 |
| Width without mirrors, mm | 1875 |
| Trunk capacity, L | 510 |
Transmission and drive
| Transmission | 8-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | Front-wheel drive |
| Number of gears | 8 |
| Transmission manufacturer | Kia Motors |
| Automatic transmission | + |
3.5 GDI (300 hp) 8-speed automatic 4x4 30 specifications
Specifications
Performance and consumption
| Fuel consumption city, L/100 km | 12.2 |
|---|---|
| Fuel consumption highway, L/100 km | 8 |
| Fuel consumption combined, L/100 km | 10.3 |
Engine
| Engine | 3.5 GDI |
|---|---|
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 3470 |
| Cylinder layout | V-type |
| Number of cylinders | 6 |
| Valves | 24 |
| Power, hp | 300 |
| RPM at max power | 6400 |
| Torque, Nm | 359 |
| RPM at max torque | 5000 |
Dimensions
| Seats | 5 |
|---|---|
| Length, mm | 5015 |
| Height, mm | 1445 |
| Wheelbase, mm | 2895 |
| Front track, mm | 1631 |
| Rear track, mm | 1638 |
| Kerb weight, kg | 1540 |
| Ground clearance, mm | 145 |
| Width without mirrors, mm | 1875 |
| Trunk capacity, L | 510 |
Transmission and drive
| Transmission | 8-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | All-wheel drive |
| Number of gears | 8 |
| Transmission manufacturer | Hyundai |
| Automatic transmission | + |
3.5 LPI (240 hp) 8-speed automatic 30 specifications
Specifications
Performance and consumption
| Fuel consumption city, L/100 km | 14.7 |
|---|---|
| Fuel consumption highway, L/100 km | 10 |
| Fuel consumption combined, L/100 km | 12.5 |
Engine
| Engine | 3.5 LPI |
|---|---|
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 3470 |
| Cylinder layout | Inline |
| Number of cylinders | 6 |
| Valves | 24 |
| Power, hp | 240 |
| RPM at max power | 6000 |
| Torque, Nm | 314 |
| RPM at max torque | 4500 |
Dimensions
| Seats | 5 |
|---|---|
| Length, mm | 5015 |
| Height, mm | 1445 |
| Wheelbase, mm | 2895 |
| Front track, mm | 1631 |
| Rear track, mm | 1638 |
| Kerb weight, kg | 1540 |
| Ground clearance, mm | 145 |
| Width without mirrors, mm | 1875 |
| Trunk capacity, L | 510 |
Transmission and drive
| Transmission | 8-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | Front-wheel drive |
| Number of gears | 8 |
| Transmission manufacturer | Hyundai |
| Automatic transmission | + |
1.6 T-GDI HEV (230 hp) 6-speed automatic 36 specifications
Specifications
Performance and consumption
| Fuel consumption city, L/100 km | 5.5 |
|---|---|
| Fuel consumption highway, L/100 km | 5.6 |
| Fuel consumption combined, L/100 km | 5.6 |
Engine
| Engine | 1.6 T-GDI HEV |
|---|---|
| Engine type | Hybrid |
| Fuel type | Gasoline |
| Engine displacement, cc | 1598 |
| Cylinder layout | Inline |
| Number of cylinders | 4 |
| Valves | 16 |
| Turbocharger | + |
| Compression ratio | 10.5:1 |
| Power, hp | 230 |
| Torque, Nm | 350 |
| Electric motor power, hp | 60 |
| Combustion engine power, hp | 180 |
| Combustion engine RPM at max power | 6000 |
| Combustion engine torque, Nm | 265 |
| Combustion engine RPM at max torque | 1500–4500 |
| Electric motor torque, Nm | 265 |
Dimensions
| Seats | 5 |
|---|---|
| Length, mm | 5015 |
| Height, mm | 1445 |
| Wheelbase, mm | 2895 |
| Front track, mm | 1631 |
| Rear track, mm | 1638 |
| Kerb weight, kg | 1540 |
| Ground clearance, mm | 145 |
| Width without mirrors, mm | 1875 |
| Trunk capacity, L | 510 |
Transmission and drive
| Transmission | 6-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | Front-wheel drive |
| Number of gears | 6 |
| Transmission manufacturer | Hyundai |
| Automatic transmission | + |
KIA K8 questions
Short answers based on the specifications and photos available in this catalog.
What body style and generation is the KIA K8?
The KIA K8 is a four-door sedan belonging to the E-segment. It represents the first generation of the model nameplate, which was introduced in 2021 to replace the KIA K7.
What engine options are available for the KIA K8?
The K8 offers four Smartstream engines: a 198-hp 2.5-liter four-cylinder, a 300-hp 3.5-liter V6, a 240-hp 3.5-liter V6 LPI (liquid propane), and a 230-hp 1.6-liter turbo hybrid (HEV).
Does the KIA K8 offer all-wheel drive?
Yes, all-wheel drive is available on the KIA K8, but it is offered exclusively as an option on models equipped with the 3.5-liter V6 gasoline engine. Other versions are front-wheel drive.
How spacious is the trunk in the KIA K8?
The sedan features a trunk capacity of 510 liters. It also includes a convenient pass-through hatch behind the rear armrest, allowing owners to carry longer items without folding the rear seats.
What are the key safety features on the K8?
The KIA K8 comes with nine airbags and level 2 autonomous driving features, including navigation-based adaptive cruise control, active blind-spot monitoring, surround-view cameras, and a remote key-fob parking assistant.