VS

Mercedes GLS vs Kia Sportage comparison

Compare performance (634 HP vs 288 HP), boot space and price (96,100 £ vs 30,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Kia Sportage?

Mercedes GLS vs Kia Sportage: Key differences

Mercedes GLS

  • clearly more power
  • clearly quicker 0–100 km/h

Kia Sportage

4.9 (2 Reviews)
rate
  • clearly cheaper
  • considerably more efficient
  • considerably lighter
  • markedly more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

GLS

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Kia Sportage is clearly cheaper – starting at 30,200 £ , while the Mercedes GLS costs 96,100 £ . That’s a price difference of around 65,958 £.

Fuel consumption also shows a difference: the Kia Sportage uses 2.9 L/100km and is considerably more efficient than the Mercedes GLS with 7.8 L/100km. The difference is about 4.9 L/100km.

Sportage

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes GLS offers clearly more power – delivering 634 HP compared to 288 HP. That’s roughly 346 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is clearly quicker – completing the sprint in 4.2 s, while the Kia Sportage takes 7.5 s. That’s about 3.3 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers considerably more torque with 850 Nm compared to 380 Nm. That’s about 470 Nm more.

GLS

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.

Seats: Mercedes GLS offers more seats – 7 vs 5.

In terms of curb weight, Kia Sportage is considerably lighter – 1,552 kg compared to 2,550 kg. The difference is around 998 kg.

Looking at boot space, the Kia Sportage offers markedly more boot space – 587 L compared to 355 L. That’s a difference of about 232 L.

When it comes to payload, the Mercedes GLS carries a bit more – 695 kg compared to 580 kg. That’s a difference of about 115 kg.

Who wins the race in the data check?

The Kia Sportage stands 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.

from £30,200
Sportage

Kia Sportage

  • Engine Type : Petrol, Full Hybrid, Diesel MHEV, Plugin Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 136 - 288 HP
  • Consumption L/100km : 2.9 - 7.8 L/100km
  • Electric Range : 63 - 66 km
details

Frequently compared as well

Kia Sportage
Skoda Karoq
VS
The Kia Sportage flaunts a bolder design, plush cabin and tech-heavy kit that feels like buying the future — perfect if you want comfort and a bit of showmanship on your commute. The Skoda Karoq plays the sensible sibling: conservative looks, clever packaging, enjoyable handling and better value, …
Kia Sportage
Kia Stonic
VS
Kia Sportage and Kia Stonic go head-to-head in a battle of size and sense — one’s a roomy family SUV that eats motorways for breakfast, the other a scrappy city companion that squeezes into parking gaps like it’s a sport. If you need space, comfort and a bit of presence, pick the Sportage; if you …
Mercedes GLS
Kia Sportage

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

details
19C0481_004
19C0481_007
19C0483_036
19C0480_047
18C1072_111

Reviews Mercedes GLS

No reviews yet. Share your experience and help others decide.

Kia Sportage

The Kia Sportage proves you don't have to choose between style and sensible family motoring, wrapping modern, confident looks around a roomy, well-equipped cabin. It's an easy car to live with — comfortable on daily runs, pleasantly engaging when you want a bit of fun, and kind to your wallet so you can keep smiling at the fuel pump.

details
Kia_Sportage_M22_24
Kia_Sportage_M22_37
Kia_Sportage_M22_25
Kia_Sportage_M22_84

Reviews Kia Sportage

4.9 (2 Reviews)
rate
Peter
3 Jan 2026, 23:20:52

I drove the Toyota RAV4 and the Kia Sportage on business — the Kia’s engine and automatic gearbox are much better. It doesn’t jerk or scream, and the shifts are smooth. Comfort in both cars is very similar.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Lello
14 Nov 2025, 09:58:29

Perfect car in every way, good trim, excellent fuel economy and reliability, price competitive with brands that have been established for longer...

Frequently compared as well

Kia Sportage
MG HS/EHS
VS
Two likeable compact crossovers go head-to-head: the well-rounded Kia Sportage versus the value-packed MG HS and its electrified twin, the EHS. Which wins on everyday practicality, kit and style — and which one is the clever buy for your driveway and wallet?
Hyundai Kona
Kia Sportage
VS
The Hyundai Kona and Kia Sportage go head-to-head in the compact-SUV ring — the Kona is cheeky, city-savvy and punchy, while the Sportage leans into grown-up comfort and family-friendly practicality. We’ll break down which one gives you sharper driving thrills, better everyday usability and the …
Kia Sportage
Renault Austral
VS
The Kia Sportage is the sensible, value-packed family SUV — comfortable, practical and a reliable all-rounder — while the Renault Austral plays the style card with a sharper interior, clever hybrid tech and more upmarket flair. Pick the Sportage for straightforward practicality and a friendlier …
BYD Seal U
Kia Sportage
VS
In one corner, the sleek, spoiler-tinged BYD Seal U — an electric fastback that flirts with sports-car dynamics while packing a tech-bomb of range and gadgets; in the other, the practical, ever-adaptable Kia Sportage — a compact SUV that blends comfort, space and sensible running costs into a tidy …
Kia EV3
Kia Sportage
VS
In a compelling comparison of cutting-edge automotive innovation, the Kia EV3 showcases its electric prowess, prioritizing efficiency and sustainability, while the Kia Sportage stands out with its versatile performance and practicality for family-oriented drivers. The EV3's sleek design and …
Dacia Duster
Kia Sportage
VS
The Dacia Duster is the no-frills, mud-loving bargain that happily chews up trails and your monthly payments, while the Kia Sportage counters with slick tech, a plush cabin, and the sort of refinement that makes long commutes feel shorter. If your wallet leads, pick the Duster; if your senses do, …
Kia Sportage
Opel Frontera
VS
The Kia Sportage and Opel Frontera compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Kia Sportage
Opel Grandland
VS
The Kia Sportage punches above its weight with bold looks, impressive infotainment and a wallet-friendly spec list, making it the choice for buyers who want style and value. The Opel Grandland counters with a smoother ride, quieter cabin and more traditional design — ideal if you prioritise comfort …
Mercedes GLS
Kia Sportage

Costs and Consumption
Price
96,100 - 208,500 £
Price
30,200 - 47,100 £
Consumption L/100km
7.8 - 13.7 L/100km
Consumption L/100km
2.9 - 7.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
63 - 66 km
Battery Capacity
-
Battery Capacity
-
co2
204 - 310 g/km
co2
67 - 177 g/km
Fuel tank capacity
90 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
5
Doors
5
Doors
-
Curb weight
2,550 - 2,825 kg
Curb weight
1,552 - 1,896 kg
Trunk capacity
355 L
Trunk capacity
526 - 587 L
Length
5,208 - 5,233 mm
Length
-
Width
1,956 mm
Width
1,865 mm
Height
1,782 - 1,838 mm
Height
-
Max trunk capacity
2,400 L
Max trunk capacity
-
Payload
445 - 695 kg
Payload
533 - 580 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol, Full Hybrid, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
333 - 634 HP
Power HP
136 - 288 HP
Acceleration 0-100km/h
4.2 - 6.7 s
Acceleration 0-100km/h
7.5 - 11.6 s
Max Speed
238 - 280 km/h
Max Speed
-
Torque
500 - 850 Nm
Torque
250 - 380 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
245 - 466 kW
Power kW
100 - 212 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
1,598 cm3

General
Model Year
2,024 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
F, D, E, G, B
Brand
Mercedes-Benz
Brand
Kia
Is the Mercedes GLS offered with different drivetrains?

The Mercedes GLS is available as All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.