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Audi A5 Avant vs Mercedes GLC EQ comparison

Compare performance (639 HP vs 489 HP), boot space and price (41,600 £ vs 61,100 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or Mercedes GLC EQ?

Audi A5 Avant vs Mercedes GLC EQ: Key differences

Audi A5 Avant

4.4 (1 Reviews)
rate
  • significantly cheaper
  • markedly more power
  • moderately quicker 0–100 km/h
  • clearly lighter
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Mercedes GLC EQ

4.6 (2 Reviews)
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  • significantly more electric range
  • clearly more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

A5 Avant

Costs and Efficiency:

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

Audi A5 Avant is significantly cheaper – starting at 41,600 £ , while the Mercedes GLC EQ costs 61,100 £ . That’s a price difference of around 19,484 £.

As for electric range, the Mercedes GLC EQ offers significantly more range – reaching up to 714 km, about 606 km more than the Audi A5 Avant.

GLC EQ

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 Audi A5 Avant offers markedly more power – delivering 639 HP compared to 489 HP. That’s roughly 150 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Avant is moderately quicker – completing the sprint in 3.7 s, while the Mercedes GLC EQ takes 4.3 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Audi A5 Avant delivers marginally more torque with 825 Nm compared to 800 Nm. That’s about 25 Nm more.

A5 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 A5 Avant is clearly lighter – 1,785 kg compared to 2,535 kg. The difference is around 750 kg.

Looking at boot space, the Mercedes GLC EQ offers clearly more boot space – 570 L compared to 361 L. That’s a difference of about 209 L.

When it comes to payload, the Audi A5 Avant carries barely more – 535 kg compared to 505 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The Mercedes GLC EQ holds a decisive overall lead 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 £61,100
GLC EQ

Mercedes GLC EQ

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 489 HP
  • Consumption kWh/100km : 14.9 - 16.6 kWh/100km
  • Electric Range : 645 - 714 km
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Frequently compared as well

Land Rover Range Rover
Mercedes GLC EQ
VS
Comparing the Range Rover with the Mercedes‑GLC (the electrified Mercedes‑EQ version) puts two different luxury philosophies head to head: the Range Rover offers commanding presence, traditional opulence and genuine off‑road ability, while the GLC EQ focuses on compact premium comfort, cutting‑edge …
Audi A5 Avant
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Audi A5 Avant
Mercedes GLC EQ

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

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Reviews Audi A5 Avant

4.4 (1 Reviews)
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Hje
10 May 2026, 10:01:51

I do a lot of highway and generally long distance driving where A5 is superior to BMW 3.

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

Mercedes GLC EQ

The Mercedes GLC EQ brings an electrified touch to Mercedes’ compact luxury SUV line, combining a quiet, refined ride with the comfort and polish you expect from the brand. It’s a smart choice for buyers who want premium materials and everyday practicality while reducing fuel use, though it leans more toward comfort than sporty handling.

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Reviews Mercedes GLC EQ

4.6 (2 Reviews)
rate
IVAN
13 May 2026, 22:11:19

Aesthetic presence, good electric range and usable cargo hold...

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
IVAN
13 May 2026, 22:02:43

Great range, good looking, and virtually zero maintenance compare to the Range Rover which is the highest mainstream maintenance vehicle presently on the road..

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

Frequently compared as well

Mercedes C-Class EQ
Mercedes GLC EQ
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Comparing the Mercedes C‑Class EQ and the Mercedes GLC EQ pits a sleek, electrically powered executive saloon against a compact electric SUV — two different takes on premium Mercedes electrification. This brief comparison will focus on their size, practicality, driving feel and tech so you can …
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BMW 5 Series Touring
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Audi A5 Avant
Mercedes GLC EQ

Costs and Consumption
Price
41,600 - 92,400 £
Price
61,100 - 70,600 £
Consumption L/100km
2.1 - 7.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.9 - 16.6 kWh/100km
Electric Range
83 - 108 km
Electric Range
645 - 714 km
Battery Capacity
-
Battery Capacity
-
co2
47 - 175 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,785 - 2,445 kg
Curb weight
2,535 kg
Trunk capacity
361 L
Trunk capacity
570 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,913 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 535 kg
Payload
505 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 639 HP
Power HP
489 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
4.3 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
800 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
110 - 470 kW
Power kW
360 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi A5 Avant?

Available configurations include 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.