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Mercedes SL Class vs Kia Sorento comparison

Compare performance (816 HP vs 288 HP), boot space and price (112,700 £ vs 47,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Kia Sorento?

Mercedes SL Class vs Kia Sorento: Key differences

Mercedes SL Class

  • considerably more power
  • substantially quicker 0–100 km/h
  • very slightly lighter
details

Kia Sorento

4.9 (3 Reviews)
rate
  • substantially cheaper
  • clearly more efficient
  • significantly more electric range
  • significantly more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

SL Class

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 Sorento is substantially cheaper – starting at 47,300 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 65,399 £.

Fuel consumption also shows a difference: the Kia Sorento uses 3.9 L/100km and is clearly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 5.1 L/100km.

As for electric range, the Kia Sorento offers significantly more range – reaching up to 55 km, about 43 km more than the Mercedes SL Class.

Sorento

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes SL Class offers considerably more power – delivering 816 HP compared to 288 HP. That’s roughly 528 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is substantially quicker – completing the sprint in 2.9 s, while the Kia Sorento takes 8 s. That’s about 5.1 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers significantly more torque with 1,420 Nm compared to 440 Nm. That’s about 980 Nm more.

SL Class

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: Kia Sorento offers more seats – 7 vs 4.

In terms of curb weight, Mercedes SL Class is very slightly lighter – 1,810 kg compared to 1,855 kg. The difference is around 45 kg.

Looking at boot space, the Kia Sorento offers significantly more boot space – 705 L compared to 240 L. That’s a difference of about 465 L.

When it comes to payload, the Kia Sorento carries substantially more – 685 kg compared to 375 kg. That’s a difference of about 310 kg.

Who wins the race in the data check?

The Kia Sorento is far ahead overall 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 £47,300
Sorento

Kia Sorento

  • Engine Type Full Hybrid, Diesel, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 194 - 288 HP
  • Consumption L/100km 3.9 - 7 L/100km
  • Electric Range 55 km
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Kia Sorento
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Mercedes SL Class
Kia Sorento

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

details
15C1119_012
15C1119_029
15C1119_120
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Reviews Mercedes SL Class

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

Kia Sorento

The Kia Sorento blends roomy practicality with smart tech and an unexpectedly composed highway manner, making it an easy choice for families who want comfort without fuss. It presents classy interior touches and sensible packaging at a realistic price, proving you don't need to shout to be noticed in the SUV crowd.

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Neuer_Kia_Sorento_gewinnt_Goldenes_Lenkrad_02
Neuer Kia Sorento (Modelljahr 2021)
Kia_Sorento_HEV_MJ23_06

Reviews Kia Sorento

4.9 (3 Reviews)
rate
myšák2025
20 May 2026, 09:46:15

Only Kia.....to me better in every way than Hyundai

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

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Mercedes SL Class
Kia Sorento

Costs and Consumption
Price
112,700 - 219,300 £
Price
47,300 - 60,500 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
3.9 - 7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
55 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
87 - 174 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
SUV
Seats
4
Seats
5 - 7
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
1,855 - 2,110 kg
Trunk capacity
110 - 240 L
Trunk capacity
175 - 705 L
Length
-
Length
-
Width
1,915 mm
Width
1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
162 - 685 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Full Hybrid, Diesel, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
435 - 816 HP
Power HP
194 - 288 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
8 - 9.7 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
380 - 440 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
320 - 600 kW
Power kW
142 - 212 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
1,598 - 2,151 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
E, F, B
Brand
Mercedes-Benz
Brand
Kia
What drive types are available for the Mercedes SL Class?

The Mercedes SL Class is offered with Rear-Wheel Drive or 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.