Kia K4 first generation
The Kia K4 first generation (since 2025): dimensions, weights, reliability and the official figures of its 15 versions in the European Union, the United Kingdom, the United States, and Canada.
Model codes: CL4
Dimensions, weights and capacity
| Specification | Europe | North America | Wikipedia |
|---|---|---|---|
| Dimensions | |||
| Length | 4,440–4,700 mm RDW | – | 4,430–4,710 mm |
| Width | 1,850 mm RDW | – | 1,850 mm |
| Height | 1,440 mm RDW | – | 1,420 mm |
| Wheelbase | 2,720 mm RDW | – | 2,720 mm |
| Front track | 1,566–1,585 mm ASTRA | – | – |
| Rear track | 1,581–1,599 mm ASTRA | – | – |
| Weights and towing | |||
| Kerb weight | 1,365–1,405 kg RDW | – | 1,330–1,434 kg |
| Mass in running order | 1,465–1,505 kg RDW | – | – |
| Gross vehicle weight | 1,900–1,940 kg RDW | – | – |
| Towing, braked trailer | 1,410 kg ASTRA | – | – |
| Towing, unbraked trailer | 500–600 kg ASTRA | – | – |
| Seats and space | |||
| Seats | 5 RDW | – | – |
| Doors | 5 RDW | – | – |
| Boot space | – | – | 438 L |
| Luggage space (EPA) | – | 396–623 L EPA | – |
| Passenger space (EPA) | – | 2,803 L EPA | – |
| Fuel tank | – | – | 47 L |
| Performance | |||
| Top speed | 186 km/h RDW | – | 186–205 km/h |
| Torque | 250–265 Nm ASTRA | – | 200–250 Nm |
Tyre sizes (most common first): 225/45R17, 205/55R16, 235/40R18
NHTSA overall safety rating (US): 2025–2026: ★★★★★
Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: RDW type approvals (Netherlands), Wikipedia (en, de, fr, pl), ASTRA type approvals (Switzerland), US EPA fuel economy data, Traficom type approvals (Finland), NHTSA 5-Star Safety Ratings. Wikipedia figures are used under CC BY-SA 4.0.
Reliability and owner reports
Owner complaints to NHTSA (US)
58 complaints for model years 2025–2026. 16 crashes · 9 injuries
Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints
All 15 versions of the Kia K4 first generation
Show all 15 versions
European Union 2 versions
New cars registered in the EU (plus Norway and Iceland), from the European Environment Agency. Figures on the NEDC procedure until 2020 and on WLTP from 2021; versions are grouped by engine and power, with their number of registrations.
| Years and version | Engine | Power | Fuel | Consumption (combined) | CO₂ | EU registrations |
|---|---|---|---|---|---|---|
| 2025 | 1.6 L | 132 kW (179 PS) | Petrol | 6.6 L/100 km WLTP | 151 g/km | 282 |
| 2025 | 1.6 L | 110 kW (150 PS) | Petrol | 6.5 L/100 km WLTP | 147 g/km | 59 |
United Kingdom 6 versions
New cars on sale in the UK, from the Vehicle Certification Agency. NEDC figures until 2018 and WLTP figures after; years are the editions a version appeared in.
| Years and version | Engine | Power | Fuel | Gearbox | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|---|
| 2025–2026Pure 1.0 T-GDi 113bhp | 1.0 L | 132 kW (179 PS) | Hybrid | 6-speed manual | 5.7 L/100 km WLTP | 129 g/km |
| 2025–2026Pure 1.0 T-GDi 113bhp | 1.0 L | 132 kW (179 PS) | Hybrid | 7-speed automatic | 5.7 L/100 km WLTP | 129 g/km |
| 2025–2026GT-Line 1.0 T-GDi 113bhp | 1.0 L | 132 kW (179 PS) | Hybrid | 7-speed automatic | 5.7 L/100 km WLTP | 130 g/km |
| 2025–2026GT-Line S 1.0 T-GDi 113bhp | 1.0 L | 132 kW (179 PS) | Hybrid | 7-speed automatic | 5.8 L/100 km WLTP | 132 g/km |
| 2025–2026GT-Line 1.6 T-GDi 147bhp | 1.6 L | 132 kW (179 PS) | Petrol | 7-speed automatic | 6.5 L/100 km WLTP | 148 g/km |
| 2025–2026GT-Line S 1.0 T-GDi 177bhp · GT-Line S 1.6 T-GDi 177bhp | 1.6 L | 132 kW (179 PS) | Petrol | 7-speed automatic | 6.7 L/100 km WLTP | 152 g/km |
United States 3 versions
Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.
| Years and version | Engine | Fuel | Gearbox | Drive | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|---|
| 2025–2027SIDI | 1.6 L | Petrol | 8-speed automatic | Front-wheel drive | 28–29 MPG (8.1–8.4 L/100 km) EPA | 188–195 g/km |
| 2025–2027 | 2.0 L | Petrol | Continuously variable (CVT) | Front-wheel drive | 30–34 MPG (6.9–7.8 L/100 km) EPA | 164–180 g/km |
| 2025with DMS | 2.0 L | Petrol | Continuously variable (CVT) | Front-wheel drive | 33 MPG (7.1 L/100 km) EPA | 170 g/km |
Canada 4 versions
Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).
| Years and version | Engine | Fuel | Gearbox | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|
| 2026Mid-size · Full-size | 1.6 L | Petrol | 8-speed automatic | 8.3 L/100 km 5-cycle | 195 g/km |
| 2025–2026Mid-size | 2.0 L | Petrol | Continuously variable (CVT) | 7.0–7.3 L/100 km 5-cycle | 164–172 g/km |
| 2026Full-size | 2.0 L | Petrol | Continuously variable (CVT) | 7.6 L/100 km 5-cycle | 177 g/km |
| 2025Mid-size | 1.6 L | Petrol | 8-speed automatic | 8.0 L/100 km 5-cycle | 188 g/km |
Similar models from other brands
Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.