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Audi A8 vs Kia Sorento comparison

Compare performance (571 HP vs 252 HP), boot space and price (91,400 £ vs 46,900 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Kia Sorento?

Audi A8 vs Kia Sorento: Key differences

Audi A8

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  • significantly more power
  • marginally more electric range
  • clearly quicker 0–100 km/h
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Kia Sorento

  • substantially cheaper
  • somewhat more efficient
  • marginally lighter
  • clearly more trunk space
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By Achim Sedelmaier

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

A8

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 46,900 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 44,494 £.

Fuel consumption also shows a difference: the Kia Sorento uses 3.9 L/100km and is somewhat more efficient than the Audi A8 with 4.6 L/100km. The difference is about 0.7 L/100km.

As for electric range, the Audi A8 offers marginally more range – reaching up to 58 km, about 3 km more than the Kia Sorento.

Sorento

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 Audi A8 offers significantly more power – delivering 571 HP compared to 252 HP. That’s roughly 319 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A8 is clearly quicker – completing the sprint in 3.8 s, while the Kia Sorento takes 8 s. That’s about 4.2 s quicker.

There’s also a difference in torque: the Audi A8 delivers substantially more torque with 800 Nm compared to 440 Nm. That’s about 360 Nm more.

A8

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Kia Sorento offers more seats – 7 vs 5.

In terms of curb weight, Kia Sorento is marginally lighter – 1,855 kg compared to 2,035 kg. The difference is around 180 kg.

Looking at boot space, the Kia Sorento offers clearly more boot space – 705 L compared to 390 L. That’s a difference of about 315 L.

When it comes to payload, the Audi A8 carries marginally more – 700 kg compared to 685 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The Audi A8 is clearly superior 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 £91,400
A8

Audi A8

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 286 - 571 HP
  • Consumption L/100km : 4.6 - 11.5 L/100km
  • Electric Range : 58 km
Audi A8
Kia Sorento

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

View detailed analysis

Audi A8

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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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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Audi A8
Kia Sorento

Costs and Consumption

Price
91,400 - 134,900 £
Price
46,900 - 60,100 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
3.9 - 7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
55 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
87 - 174 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5 - 7
Doors
-
Doors
-
Curb weight
2,035 - 2,415 kg
Curb weight
1,855 - 2,110 kg
Trunk capacity
390 L
Trunk capacity
175 - 705 L
Length
-
Length
-
Width
1,945 mm
Width
1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
162 - 685 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV, 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
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
286 - 571 HP
Power HP
194 - 252 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
8 - 9.7 s
Max Speed
-
Max Speed
-
Torque
500 - 800 Nm
Torque
380 - 440 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
210 - 420 kW
Power kW
142 - 212 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,598 - 2,151 cm3

General

Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G, C
CO2 Efficiency Class
E, F, B
Brand
Audi
Brand
Kia
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.