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Audi A8 vs Mercedes C-Class Sedan - Differences and prices compared
Compare performance (571 HP vs 680 HP), boot space and price (91400 £ vs 41200 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Mercedes C-Class Sedan?
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 C-Class Sedan has a significantly advantage in terms of price – it starts at 41200 £ , while the Audi A8 costs 91400 £ . That’s a price difference of around 50205 £.
Fuel consumption also shows a difference: Mercedes C-Class Sedan manages with 1.60 L and is therefore convincingly more efficient than the Audi A8 with 7 L. The difference is about 5.40 L per 100 km.
C-Class Sedan
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 C-Class Sedan has a slightly edge – offering 680 HP compared to 571 HP. That’s roughly 109 HP more horsepower.
In acceleration from 0 to 100 km/h, the Mercedes C-Class Sedan is slightly quicker – completing the sprint in 3.40 s, while the Audi A8 takes 3.80 s. That’s about 0.40 s faster.
In terms of top speed, the Mercedes C-Class Sedan performs to a small extent better – reaching 280 km/h, while the Audi A8 tops out at 250 km/h. The difference is around 30 km/h.
There’s also a difference in torque: Mercedes C-Class Sedan pulls noticeable stronger with 1020 Nm compared to 800 Nm. That’s about 220 Nm difference.
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A8
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 curb weight, Mercedes C-Class Sedan is distinct lighter – 1695 kg compared to 2035 kg. The difference is around 340 kg.
In terms of boot space, the Audi A8 offers minimal more room – 505 L compared to 455 L. That’s a difference of about 50 L.
When it comes to payload, Audi A8 to a small extent takes the win – 700 kg compared to 570 kg. That’s a difference of about 130 kg.
Who wins the race?
The Mercedes C-Class Sedan proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Mercedes C-Class Sedan is the better all-rounder in this comparison.
from about £41,200
Mercedes C-Class Sedan
Audi A8
Mercedes C-Class Sedan
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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Audi A8
5 (1 Reviews)
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
Mercedes C-Class Sedan
The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.
details
Audi A8
Mercedes C-Class Sedan
Costs and Consumption |
|
|---|---|
|
Price
91400 - 134900 £
|
Price
41200 - 103100 £
|
|
Consumption L/100km
7 - 11.5 L
|
Consumption L/100km
1.6 - 9 L
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
11 - 117 km
|
|
Battery Capacity
-
|
Battery Capacity
19.50 kWh
|
|
co2
183 - 260 g/km
|
co2
41 - 205 g/km
|
|
Fuel tank capacity
82 L
|
Fuel tank capacity
40 - 66 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Sedan
|
Body Type
Sedan
|
|
Seats
5
|
Seats
5
|
|
Doors
4
|
Doors
4
|
|
Curb weight
2035 - 2295 kg
|
Curb weight
1695 - 2195 kg
|
|
Trunk capacity
505 L
|
Trunk capacity
280 - 455 L
|
|
Length
5190 - 5320 mm
|
Length
4751 - 4842 mm
|
|
Width
1945 mm
|
Width
1820 - 1900 mm
|
|
Height
1473 - 1488 mm
|
Height
1438 - 1458 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
540 - 700 kg
|
Payload
480 - 570 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel MHEV
|
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
183 - 680 HP
|
|
Acceleration 0-100km/h
3.8 - 5.9 s
|
Acceleration 0-100km/h
3.4 - 8.6 s
|
|
Max Speed
250 km/h
|
Max Speed
230 - 280 km/h
|
|
Torque
500 - 800 Nm
|
Torque
250 - 1020 Nm
|
|
Number of Cylinders
6 - 8
|
Number of Cylinders
4
|
|
Power kW
210 - 420 kW
|
Power kW
135 - 500 kW
|
|
Engine capacity
2967 - 3996 cm3
|
Engine capacity
1496 - 1999 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2024 - 2025
|
|
CO2 Efficiency Class
G
|
CO2 Efficiency Class
E, B, D, G
|
|
Brand
Audi
|
Brand
Mercedes-Benz
|
Is the Audi A8 offered with different drivetrains?
The Audi A8 is offered with All-Wheel Drive.
The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.