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Audi Q3 vs Mercedes S Class - Differences and prices compared

Compare performance (272 HP vs 802 HP), boot space and price (38200 £ vs 97200 £ ) at a glance. Find out which car is the better choice for you – Audi Q3 or Mercedes S Class?

Audi Q3

5 (1 Reviews)
rate

Mercedes S Class

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

Q3

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi Q3 has a convincingly advantage in terms of price – it starts at 38200 £ , while the Mercedes S Class costs 97200 £ . That’s a price difference of around 58942 £.

Fuel consumption also shows a difference: Audi Q3 manages with 1.70 L and is therefore clearly perceptible more efficient than the Mercedes S Class with 2.30 L. The difference is about 0.60 L per 100 km.

As for electric range, the Audi Q3 performs hardly perceptible better – achieving up to 119 km, about 2 km more than the Mercedes S Class.

S 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 Mercedes S Class has a significantly edge – offering 802 HP compared to 272 HP. That’s roughly 530 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes S Class is clearly quicker – completing the sprint in 3.30 s, while the Audi Q3 takes 5.70 s. That’s about 2.40 s faster.

In terms of top speed, the Mercedes S Class performs slight better – reaching 250 km/h, while the Audi Q3 tops out at 240 km/h. The difference is around 10 km/h.

There’s also a difference in torque: Mercedes S Class pulls clearly stronger with 1430 Nm compared to 400 Nm. That’s about 1030 Nm difference.

Q3

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.

Both vehicles offer seating for 5 people.

In curb weight, Audi Q3 is evident lighter – 1635 kg compared to 2070 kg. The difference is around 435 kg.

In terms of boot space, the Mercedes S Class offers to a small extent more room – 550 L compared to 488 L. That’s a difference of about 62 L.

When it comes to payload, Mercedes S Class noticeable takes the win – 730 kg compared to 535 kg. That’s a difference of about 195 kg.

Who wins the race in the data check?

The Mercedes S Class is far ahead 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.

Audi Q3
Mercedes S Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
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 Q3

5 (1 Reviews)
rate

The Audi Q3 feels like a grown-up compact SUV with premium polish and city-friendly agility, the sort of car that makes weekend escapes and daily commutes equally satisfying. Inside, you get quality materials and smart packaging that keep things practical without skimping on style, so it’s an easy pick for buyers who want luxury without the drama.

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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 Q3

5 (1 Reviews)
rate

Reviews Mercedes S Class

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Mercedes S Class

Costs and Consumption
Price
38200 - 52900 £
Price
97200 - 204400 £
Consumption L/100km
1.7 - 8.6 L
Consumption L/100km
2.3 - 13.2 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
118 - 119 km
Electric Range
31 - 117 km
Battery Capacity
19.70 kWh
Battery Capacity
10.40 kWh
co2
39 - 195 g/km
co2
52 - 301 g/km
Fuel tank capacity
45 - 60 L
Fuel tank capacity
65 - 76 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
1635 - 1900 kg
Curb weight
2070 - 2650 kg
Trunk capacity
375 - 488 L
Trunk capacity
325 - 550 L
Length
4531 mm
Length
5179 - 5469 mm
Width
1859 mm
Width
1921 - 1954 mm
Height
1559 - 1601 mm
Height
1503 - 1515 mm
Max trunk capacity
1196 - 1386 L
Max trunk capacity
-
Payload
505 - 535 kg
Payload
420 - 730 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
150 - 272 HP
Power HP
336 - 802 HP
Acceleration 0-100km/h
5.7 - 9.2 s
Acceleration 0-100km/h
3.3 - 5.9 s
Max Speed
208 - 240 km/h
Max Speed
250 km/h
Torque
250 - 400 Nm
Torque
500 - 1430 Nm
Number of Cylinders
4
Number of Cylinders
6 - 12
Power kW
110 - 200 kW
Power kW
247 - 590 kW
Engine capacity
1498 - 1984 cm3
Engine capacity
2989 - 5980 cm3

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

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Is the Audi Q3 offered with different drivetrains?

The Audi Q3 is available as Front-Wheel Drive or 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.