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Audi A8 vs Mercedes E Class comparison

Compare performance (571 HP vs 585 HP), boot space and price (91,400 £ vs 50,500 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Mercedes E Class?

Audi A8 vs Mercedes E Class: Key differences

Audi A8

5 (1 Reviews)
rate
  • marginally quicker 0–100 km/h
details

Mercedes E Class

4.7 (2 Reviews)
rate
  • substantially cheaper
  • only slightly more power
  • significantly more efficient
  • substantially more electric range
  • somewhat lighter
  • clearly more trunk space
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

A8

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 substantially cheaper – starting at 50,500 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 40,881 £.

Fuel consumption also shows a difference: the Mercedes E Class uses 1.5 L/100km and is significantly more efficient than the Audi A8 with 4.6 L/100km. The difference is about 3.1 L/100km.

As for electric range, the Mercedes E Class offers substantially more range – reaching up to 116 km, about 58 km more than the Audi A8.

E Class

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 E Class offers only slightly more power – delivering 585 HP compared to 571 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A8 is marginally quicker – completing the sprint in 3.8 s, while the Mercedes E Class takes 4 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Audi A8 delivers marginally more torque with 800 Nm compared to 750 Nm. That’s about 50 Nm more.

A8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes E Class is somewhat lighter – 1,810 kg compared to 2,035 kg. The difference is around 225 kg.

Looking at boot space, the Mercedes E Class offers clearly more boot space – 540 L compared to 390 L. That’s a difference of about 150 L.

When it comes to payload, the Audi A8 carries barely more – 700 kg compared to 640 kg. That’s a difference of about 60 kg.

Who wins the race in the data check?

The Mercedes E Class 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 £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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Audi A8
Mercedes E Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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.

details
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Reviews Audi A8

5 (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.

details
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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 A8
Mercedes E Class

Costs and Consumption
Price
91,400 - 134,900 £
Price
50,500 - 119,700 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
1.5 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
101 - 116 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
39 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,035 - 2,415 kg
Curb weight
1,810 - 2,390 kg
Trunk capacity
390 L
Trunk capacity
370 - 540 L
Length
-
Length
-
Width
1,945 mm
Width
1,880 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
530 - 640 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, 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
286 - 571 HP
Power HP
186 - 585 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
4 - 8.5 s
Max Speed
-
Max Speed
-
Torque
500 - 800 Nm
Torque
320 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
210 - 420 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, C
CO2 Efficiency Class
E, F, B, D
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi A8?

The Audi A8 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.