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Audi A4 Avant vs Mercedes GLC comparison

Compare performance (470 HP vs 680 HP), boot space and price (37,200 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Audi A4 Avant or Mercedes GLC?

Audi A4 Avant vs Mercedes GLC: Key differences

Audi A4 Avant

  • noticeably cheaper
  • somewhat lighter

Mercedes GLC

4.4 (11 Reviews)
rate
  • visibly more power
  • clearly more efficient
  • barely quicker 0–100 km/h
  • visibly more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

A4 Avant

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.

Audi A4 Avant is noticeably cheaper – starting at 37,200 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 13,085 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is clearly more efficient than the Audi A4 Avant with 4.8 L/100km. The difference is about 3.2 L/100km.

GLC

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 GLC offers visibly more power – delivering 680 HP compared to 470 HP. That’s roughly 210 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC is barely quicker – completing the sprint in 3.5 s, while the Audi A4 Avant takes 3.7 s. That’s about 0.2 s quicker.

Looking at top speed, the Audi A4 Avant is marginally faster – reaching 300 km/h, while the Mercedes GLC tops out at 275 km/h. The difference is around 25 km/h.

There’s also a difference in torque: the Mercedes GLC delivers substantially more torque with 1,020 Nm compared to 600 Nm. That’s about 420 Nm more.

A4 Avant

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, Audi A4 Avant is somewhat lighter – 1,595 kg compared to 1,910 kg. The difference is around 315 kg.

Looking at boot space, the Mercedes GLC offers visibly more boot space – 620 L compared to 495 L. That’s a difference of about 125 L.

For maximum load capacity, the Mercedes GLC offers a bit more capacity – up to 1,740 L, about 245 L more than the Audi A4 Avant.

When it comes to payload, the Mercedes GLC carries barely more – 600 kg compared to 565 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The Mercedes GLC 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.

from £50,300
GLC

Mercedes GLC

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 1.6 - 9.7 L/100km
  • Consumption kWh/100km : 14.9 - 16.6 kWh/100km
  • Electric Range : 12 - 714 km
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Frequently compared as well

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Mercedes GLC
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A4 Avant

The Audi A4 Avant blends elegant, understated styling with practical estate versatility, making it a polished choice for drivers who want both poise and generous cargo space. Inside, the cabin feels premium and tech-forward while the composed driving manners turn routine journeys into a quietly satisfying experience—exactly the sensible indulgence buyers will appreciate.

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Reviews Audi A4 Avant

No reviews yet. Share your experience and help others decide.

Mercedes GLC

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

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Reviews Mercedes GLC

4.4 (11 Reviews)
rate
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Audi A4 Avant
Mercedes GLC

Costs and Consumption
Price
37,200 - 122,500 £
Price
50,300 - 126,600 £
Consumption L/100km
4.8 - 9.7 L/100km
Consumption L/100km
1.6 - 9.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
14.9 - 16.6 kWh/100km
Electric Range
-
Electric Range
12 - 714 km
Battery Capacity
-
Battery Capacity
94 kWh
co2
126 - 220 g/km
co2
0 - 221 g/km
Fuel tank capacity
40 - 58 L
Fuel tank capacity
62 - 65 L

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,595 - 1,820 kg
Curb weight
1,910 - 2,535 kg
Trunk capacity
495 L
Trunk capacity
390 - 620 L
Length
4,750 - 4,782 mm
Length
4,716 - 4,845 mm
Width
1,842 - 1,866 mm
Width
1,890 - 1,913 mm
Height
1,428 - 1,493 mm
Height
1,603 - 1,644 mm
Max trunk capacity
1,495 L
Max trunk capacity
1,490 - 1,740 L
Payload
510 - 565 kg
Payload
475 - 600 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
136 - 470 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
210 - 300 km/h
Max Speed
210 - 275 km/h
Torque
270 - 600 Nm
Torque
320 - 1,020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
100 - 346 kW
Power kW
137 - 500 kW
Engine capacity
1,968 - 2,894 cm3
Engine capacity
1,991 - 2,989 cm3

General
Model Year
2,023 - 2,024
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, D, G
CO2 Efficiency Class
F, G, D, B, E, A
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi A4 Avant have?

The Audi A4 Avant is available as All-Wheel Drive or Front-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.