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Audi Q7 vs Mercedes S Class - Differences and prices compared

Compare performance (507 HP vs 802 HP), boot space and price (70600 £ vs 97200 £ ) at a glance. Find out which car is the better choice for you – Audi Q7 or Mercedes S Class?

Audi Q7

Mercedes S Class

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

Q7

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi Q7 has a evident advantage in terms of price – it starts at 70600 £ , while the Mercedes S Class costs 97200 £ . That’s a price difference of around 26542 £.

Fuel consumption also shows a difference: Mercedes S Class manages with 2.30 L and is therefore clearly more efficient than the Audi Q7 with 3.80 L. The difference is about 1.50 L per 100 km.

As for electric range, the Mercedes S Class performs noticeable better – achieving up to 117 km, about 35 km more than the Audi Q7.

S Class

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 evident edge – offering 802 HP compared to 507 HP. That’s roughly 295 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes S Class is noticeable quicker – completing the sprint in 3.30 s, while the Audi Q7 takes 4.10 s. That’s about 0.80 s faster.

There’s also a difference in torque: Mercedes S Class pulls decisively stronger with 1430 Nm compared to 770 Nm. That’s about 660 Nm difference.

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Q7

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Audi Q7 offers distinct more seating capacity – 7 vs 5.

In curb weight, Audi Q7 is barely noticeable lighter – 2055 kg compared to 2070 kg. The difference is around 15 kg.

In terms of boot space, the Audi Q7 offers noticeable more room – 887 L compared to 550 L. That’s a difference of about 337 L.

When it comes to payload, Audi Q7 slightly takes the win – 885 kg compared to 730 kg. That’s a difference of about 155 kg.

Who comes out on top?

Overall, the Mercedes S Class shows itself to be dominates this comparison 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.

from about £97,200
S Class

Mercedes S Class

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 336 - 802 HP
  • Consumption L/100km : 2.3 - 13.2 L
  • Electric Range : 31 - 117 km
details
Audi Q7
Mercedes S Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi Q7

The Audi Q7 cuts an imposing figure on the road, balancing restrained luxury with a spacious, tech-rich cabin that makes long journeys feel effortless. It rides with confident composure and polished manners, so if you want a premium family SUV that feels grown-up and worth the badge, the Q7 is a persuasive choice — even the in-laws will be impressed.

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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.

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Reviews Audi Q7

Reviews Mercedes S Class

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Audi Q7
Mercedes S Class

Costs and Consumption
Price
70600 - 100600 £
Price
97200 - 204400 £
Consumption L/100km
3.8 - 11.9 L
Consumption L/100km
2.3 - 13.2 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
81 - 82 km
Electric Range
31 - 117 km
Battery Capacity
-
Battery Capacity
10.40 kWh
co2
86 - 271 g/km
co2
52 - 301 g/km
Fuel tank capacity
-
Fuel tank capacity
65 - 76 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5 - 7
Seats
5
Doors
-
Doors
4
Curb weight
2055 - 2460 kg
Curb weight
2070 - 2650 kg
Trunk capacity
563 - 887 L
Trunk capacity
325 - 550 L
Length
-
Length
5179 - 5469 mm
Width
1970 mm
Width
1921 - 1954 mm
Height
-
Height
1503 - 1515 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
640 - 885 kg
Payload
420 - 730 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
231 - 507 HP
Power HP
336 - 802 HP
Acceleration 0-100km/h
4.1 - 7.1 s
Acceleration 0-100km/h
3.3 - 5.9 s
Max Speed
-
Max Speed
250 km/h
Torque
500 - 770 Nm
Torque
500 - 1430 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 12
Power kW
170 - 373 kW
Power kW
247 - 590 kW
Engine capacity
2967 - 3996 cm3
Engine capacity
2989 - 5980 cm3

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

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Is the Audi Q7 offered with different drivetrains?

Available configurations include 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.