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Audi A7 vs Mercedes S Class – Performance, range & efficiency compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Audi A7 or Mercedes S Class?

Audi A7

Mercedes S Class

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

A7 @ Audi AG

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.

Audi A7 has a clearly advantage in terms of price – it starts at 55000 £, while the Mercedes S Class costs 97200 £. That’s a price difference of around 42142 £.

Fuel consumption also shows a difference: Audi A7 manages with 1.20 L and is therefore significantly more efficient than the Mercedes S Class with 2.30 L. The difference is about 1.10 L per 100 km.

As for range, the Mercedes S Class performs convincingly better – achieving up to 117 km, about 49 km more than the Audi A7.

S Class @ Mercedes-Benz Group Media

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 S Class has a distinct edge – offering 802 HP compared to 630 HP. That’s roughly 172 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes S Class is minimal quicker – completing the sprint in 3.30 s, while the Audi A7 takes 3.40 s. That’s about 0.10 s faster.

In terms of top speed, the Audi A7 performs somewhat better – reaching 280 km/h, while the Mercedes S Class tops out at 250 km/h. The difference is around 30 km/h.

There’s also a difference in torque: Mercedes S Class pulls decisively stronger with 1430 Nm compared to 850 Nm. That’s about 580 Nm difference.

A7 @ Audi AG

Space and Everyday Use:

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

Seats: Mercedes S Class offers a bit more seating capacity – 5 vs 4.

In curb weight, Audi A7 is somewhat lighter – 1770 kg compared to 2070 kg. The difference is around 300 kg.

In terms of boot space, the Mercedes S Class offers hardly perceptible more room – 550 L compared to 535 L. That’s a difference of about 15 L.

When it comes to payload, Mercedes S Class a bit takes the win – 730 kg compared to 600 kg. That’s a difference of about 130 kg.

Who comes out on top?

Overall, the Audi A7 shows itself to be leaves the rival little chance and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

Audi A7
Mercedes S Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £55,000
A7 @ Audi AG

Audi A7

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 204 - 630 HP
  • Consumption L/100km : 1.2 - 12.2 L
  • Electric Range : 67 - 68 km
details

Audi A7

The Audi A7 wraps elegant fastback lines around a sumptuous, tech-packed cabin that turns everyday drives into something a bit more special. It strikes a polished balance between relaxed comfort and engaging poise, so you’ll enjoy long cruises and spirited backroad runs while arriving in unmistakable style.

details
A181361_overfull @ Audi AG
A181377_overfull @ Audi AG
A1713442_overfull @ Audi AG
A181394_overfull @ Audi AG
A1713445_overfull @ Audi AG

Mercedes S Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

details
21C0428_003 @ Mercedes-Benz Group Media
21C0428_004 @ Mercedes-Benz Group Media
21C0613_021 @ Mercedes-Benz Group Media
21C0613_037 @ Mercedes-Benz Group Media
21C0613_042 @ Mercedes-Benz Group Media
21C0613_043 @ Mercedes-Benz Group Media

Reviews Audi A7

Reviews Mercedes S Class

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A7 @ Audi AG
S Class @ Mercedes-Benz Group Media

Costs and Consumption
Price
55000 - 117900 £
Price
97200 - 204400 £
Consumption L/100km
1.2 - 12.2 L
Consumption L/100km
2.3 - 13.2 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 68 km
Electric Range
31 - 117 km
Battery Capacity
14.40 kWh
Battery Capacity
10.40 kWh
co2
28 - 276 g/km
co2
52 - 301 g/km
Fuel tank capacity
52 - 73 L
Fuel tank capacity
65 - 76 L

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
4
Seats
5
Doors
5
Doors
4
Curb weight
1770 - 2150 kg
Curb weight
2070 - 2650 kg
Trunk capacity
380 - 535 L
Trunk capacity
325 - 550 L
Length
4969 - 5009 mm
Length
5179 - 5469 mm
Width
1908 - 1950 mm
Width
1921 - 1954 mm
Height
1422 - 1424 mm
Height
1503 - 1515 mm
Max trunk capacity
1235 - 1390 L
Max trunk capacity
-
Payload
510 - 600 kg
Payload
420 - 730 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
204 - 630 HP
Power HP
336 - 802 HP
Acceleration 0-100km/h
3.4 - 8.1 s
Acceleration 0-100km/h
3.3 - 5.9 s
Max Speed
245 - 280 km/h
Max Speed
250 km/h
Torque
370 - 850 Nm
Torque
500 - 1430 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 12
Power kW
150 - 463 kW
Power kW
247 - 590 kW
Engine capacity
1968 - 3996 cm3
Engine capacity
2989 - 5980 cm3

General
Model Year
2023 - 2024
Model Year
2024 - 2025
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
G, E, F, B
Brand
Audi
Brand
Mercedes-Benz

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What drivetrain options does the Audi A7 have?

Available configurations include All-Wheel Drive or Front-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.

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