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Audi Q8 vs Mercedes E-Class comparison

Compare performance (640 HP vs 585 HP), boot space and price (77,300 £ vs 50,500 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Mercedes E-Class?

Audi Q8 vs Mercedes E-Class: Key differences

Audi Q8

4.9 (1 Reviews)
rate
  • barely more power
  • slightly quicker 0–100 km/h
  • somewhat more trunk space
details

Mercedes E-Class

4.7 (2 Reviews)
rate
  • significantly cheaper
  • clearly more efficient
  • visibly more electric range
  • visibly lighter
details

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

Q8

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes E-Class is significantly cheaper – starting at 50,500 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 26,824 £.

Fuel consumption also shows a difference: the Mercedes E-Class uses 1.5 L/100km and is clearly more efficient than the Audi Q8 with 3.9 L/100km. The difference is about 2.4 L/100km.

As for electric range, the Mercedes E-Class offers visibly more range – reaching up to 116 km, about 36 km more than the Audi Q8.

E-Class

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 Audi Q8 offers barely more power – delivering 640 HP compared to 585 HP. That’s roughly 55 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is slightly quicker – completing the sprint in 3.6 s, while the Mercedes E-Class takes 4 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Audi Q8 delivers slightly more torque with 850 Nm compared to 750 Nm. That’s about 100 Nm more.

Q8

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes E-Class is visibly lighter – 1,810 kg compared to 2,175 kg. The difference is around 365 kg.

Looking at boot space, the Audi Q8 offers somewhat more boot space – 605 L compared to 540 L. That’s a difference of about 65 L.

When it comes to payload, the Audi Q8 carries marginally more – 665 kg compared to 640 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The Mercedes E-Class 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 £50,500
E-Class

Mercedes E-Class

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 186 - 585 HP
  • Consumption L/100km 1.5 - 7.5 L/100km
  • Electric Range 101 - 116 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

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Reviews Audi Q8

4.9 (1 Reviews)
rate

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

Mercedes E-Class

The Mercedes E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.

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Reviews Mercedes E-Class

4.7 (2 Reviews)
rate
Carlos
11 Apr 2026, 20:47:10

Comfortable car, beautiful lines, powerful and economical to run.

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

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Audi Q8
Mercedes E-Class

Costs and Consumption
Price
77,300 - 137,100 £
Price
50,500 - 119,700 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
1.5 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
101 - 116 km
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
39 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
1,810 - 2,390 kg
Trunk capacity
439 - 605 L
Trunk capacity
370 - 540 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,880 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
530 - 640 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
231 - 640 HP
Power HP
186 - 585 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4 - 8.5 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
320 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
170 - 471 kW
Power kW
137 - 430 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, B
CO2 Efficiency Class
E, F, B, D
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi Q8 have?

Available configurations include 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.