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Lexus NX vs Kia K4 - Differences and prices compared

Compare performance (309 HP vs 180 HP), boot space and price (46000 £ vs 25700 £ ) at a glance. Find out which car is the better choice for you – Lexus NX or Kia K4?

Lexus NX

4.9 (6 Reviews)
rate

Kia K4

You can find all user reviews further down on this page.

Here’s where it gets real: The technical differences in detail

NX

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Kia K4 has a convincingly advantage in terms of price – it starts at 25700 £ , while the Lexus NX costs 46000 £ . That’s a price difference of around 20323 £.

Fuel consumption also shows a difference: Lexus NX manages with 2.90 L and is therefore convincingly more efficient than the Kia K4 with 5.80 L. The difference is about 2.90 L per 100 km.

NX

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Lexus NX has a convincingly edge – offering 309 HP compared to 180 HP. That’s roughly 129 HP more horsepower.

In acceleration from 0 to 100 km/h, the Lexus NX is distinct quicker – completing the sprint in 6.30 s, while the Kia K4 takes 8.40 s. That’s about 2.10 s faster.

NX

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In curb weight, Kia K4 is distinct lighter – 1415 kg compared to 1805 kg. The difference is around 390 kg.

In terms of boot space, the Lexus NX offers somewhat more room – 545 L compared to 438 L. That’s a difference of about 107 L.

When it comes to payload, Lexus NX a bit takes the win – 515 kg compared to 455 kg. That’s a difference of about 60 kg.

Who wins the race in the data check?

The Lexus NX sits well ahead of its rival in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

Lexus NX
Kia K4

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £46,000
NX

Lexus NX

  • Engine Type : Full Hybrid, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 244 - 309 HP
  • Consumption L/100km : 2.9 - 5.9 L
  • Electric Range : 72 km
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Lexus NX

4.9 (6 Reviews)
rate

The Lexus NX wraps striking, chiseled styling around a cabin that feels more crafted living room than utility vehicle, with soft materials and user-friendly tech that give it genuine premium cachet. On the road it's composed and quietly confident, trading sporty pretensions for a refined, easygoing personality that will suit buyers who want luxury without fuss — with a little Lexus flair to make daily commutes feel special.

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Kia K4

Kia K4 shakes up the compact-sedan crowd with concept-car looks, a smartly packaged cabin, and the kind of easygoing refinement that makes rush hour feel less like a chore. It blends value, tech, and a dash of attitude, serving up a smooth, confident drive that might have you taking the long way home just to show off those angles.

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Reviews Lexus NX

4.9 (6 Reviews)
rate
David Jenkins
2 Feb 2026, 20:38:48

By far the best PHEV in its class, superb handling, top rated relaibility, & super quick on EV mode as well as its well equipped 2.5 litre petrol engine.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Reviews Kia K4

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Kia K4

Costs and Consumption
Price
46000 - 64300 £
Price
25700 - 32800 £
Consumption L/100km
2.9 - 5.9 L
Consumption L/100km
5.8 - 6.9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
72 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
65 - 134 g/km
co2
132 - 155 g/km
Fuel tank capacity
55 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1805 - 2065 kg
Curb weight
1415 - 1500 kg
Trunk capacity
545 L
Trunk capacity
328 - 438 L
Length
4660 mm
Length
-
Width
1865 mm
Width
1850 mm
Height
1670 mm
Height
-
Max trunk capacity
1436 L
Max trunk capacity
-
Payload
475 - 515 kg
Payload
435 - 455 kg

Engine and Performance
Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
CVT
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
244 - 309 HP
Power HP
115 - 180 HP
Acceleration 0-100km/h
6.3 - 8.7 s
Acceleration 0-100km/h
8.4 - 12.3 s
Max Speed
200 km/h
Max Speed
-
Torque
-
Torque
200 - 265 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
179 - 227 kW
Power kW
85 - 132 kW
Engine capacity
2487 cm3
Engine capacity
998 - 1598 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, B
CO2 Efficiency Class
D, E
Brand
Lexus
Brand
Kia

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Is the Lexus NX offered with different drivetrains?

The Lexus NX is available as Front-Wheel Drive or All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.