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Audi A5 Avant vs Mercedes GLC comparison

Compare performance (639 HP vs 472 HP), boot space and price (41,600 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or Mercedes GLC?

Audi A5 Avant vs Mercedes GLC: Key differences

Audi A5 Avant

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

4.3 (15 Reviews)
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  • noticeably more efficient
  • a bit more electric range
  • visibly 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

A5 Avant

Stylish Showdown: Audi A5 Avant vs. Mercedes GLC

The 2024 automotive landscape continues to evolve with innovative designs and efficient technologies. Among the standout contenders redefining their segments are the refined Audi A5 Avant and the capable Mercedes GLC. While the A5 brings a sporty flair to the wagon sector, the GLC showcases the prowess of the SUV class. In this article, we compare these two vehicles across various technical aspects and innovations.

GLC

Performance and Powertrain

The Audi A5 Avant offers a range of powertrains including Diesel MHEV and Petrol options with power outputs spanning from 150 to 367 HP. With a choice between all-wheel drive and front-wheel drive, the A5 Avant boasts a dual-clutch automatic transmission for seamless gear transitions. The model accelerates 0-100 km/h between 4.5 to 9.8 seconds, reflecting its versatile performance capabilities.

On the other hand, the Mercedes GLC is available with Petrol MHEV, Diesel MHEV, and Plugin Hybrid options. The broad power range from 186 to 680 HP and all-wheel drive setup ensures robust performance. The GLC's automatic gearbox delivers a smooth driving experience, with acceleration ranging from 3.5 to 9 seconds for 0-100 km/h sprints, showcasing its capability across its variants.

A5 Avant

Efficiency and Environmental Concerns

The A5 Avant, with its efficient engine choices, offers consumption figures between 4.8 to 7.5 L/100km, and its CO2 emissions range from 127 to 169 g/km. However, its CO2 efficiency is rated between D to F, indicating room for improvement in eco-friendliness.

Conversely, the Mercedes GLC stands out with a Plugin Hybrid option, boasting an impressive combined consumption as low as 0.4 L/100km with an electric range up to 130 km. The CO2 emissions vary from a minimal 10 g/km to 235 g/km. With efficiency class ratings spanning B to G, the GLC offers greener alternatives in its lineup.

GLC

Comfort and Interior Space

Both models prioritize comfort with state-of-the-art interior designs. The Audi A5 Avant offers seating for four passengers within its sleek wagon body type, with trunk capacity ranging from 448 to 476 L, balancing cargo space with passenger comfort. It features a high-quality interior typical of Audi's attention to luxury.

The Mercedes GLC, as an SUV, seats five passengers and provides superior cargo versatility with a trunk capacity of up to 620 L. Mercedes emphasizes luxury and modern tech fittings inside the GLC, providing a spacious and user-friendly environment for both driver and passengers.

A5 Avant

Dimensions and Exterior Design

The sleek Audi A5 Avant measures between 4829 to 4835 mm in length, with a width of 1860 mm and a height between 1444 to 1460 mm, offering a combination of elegance and sporty appeal. Its wagon design caters well to the performance and family utility balance.

Measuring between 4716 to 4792 mm in length and 1890 mm in width, with a height range of 1603 to 1647 mm, the Mercedes GLC provides a commanding presence. Its SUV stance ensures road versatility and a robust profile that appeals to those seeking both style and functionality.

GLC

Conclusion: Choosing Your Companion

The choice between the Audi A5 Avant and Mercedes GLC ultimately hinges on personal preference and lifestyle needs. The A5 Avant is the go-to for those desiring a sporty wagon with sophisticated design and varied powertrain options. In contrast, the GLC appeals to those prioritizing a luxurious SUV experience, coupled with impressive environmental credentials, especially in its hybrid versions.

Thus, whether your preference is for a dynamic wagon or a commanding SUV, both Audi A5 Avant and Mercedes GLC stand as premium options in their respective classes, each laden with innovative technology, superior comfort, and performance capabilities.

Frequently compared as well

Audi A5 Avant
Audi A6 Avant
VS
The Audi A5 Avant is the stylish, nimble estate that turns everyday runs into a bit of a pleasure drive, whereas the Audi A6 Avant trades some of that sporting charm for a roomier cabin, extra tech and a composed motorway demeanour. Choose the A5 if you crave sharper looks and livelier handling, …
Mercedes GLC
Volvo EX60
VS
The Mercedes GLC and the Volvo EX60 take different approaches to the premium compact SUV segment: the GLC leans on refined ride, traditional luxury and a choice of petrol, mild-hybrid or plug-in options, while the EX60 emphasizes all-electric power, minimalist Scandinavian design and advanced …

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

A5 Avant

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 A5 Avant is clearly cheaper – starting at 41,600 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 8,713 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is noticeably more efficient than the Audi A5 Avant with 2.1 L/100km. The difference is about 0.5 L/100km.

As for electric range, the Mercedes GLC offers a bit more range – reaching up to 128 km, about 20 km more than the Audi A5 Avant.

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 Audi A5 Avant offers clearly more power – delivering 639 HP compared to 472 HP. That’s roughly 167 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 takes 4.2 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Audi A5 Avant delivers marginally more torque with 825 Nm compared to 750 Nm. That’s about 75 Nm more.

A5 Avant

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 terms of curb weight, Audi A5 Avant is slightly lighter – 1,785 kg compared to 1,985 kg. The difference is around 200 kg.

Looking at boot space, the Mercedes GLC offers visibly more boot space – 620 L compared to 476 L. That’s a difference of about 144 L.

When it comes to payload, the Mercedes GLC carries very slightly more – 575 kg compared to 535 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Audi A5 Avant is barely ahead 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 £41,600
A5 Avant

Audi A5 Avant

  • Engine Type Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Front-Wheel Drive
  • Power HP 150 - 639 HP
  • Consumption L/100km 2.1 - 7.7 L/100km
  • Electric Range 83 - 108 km
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Audi A5 Avant
Mercedes GLC

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)
rate
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

The Mercedes GLC blends quiet refinement with premium materials to create a comfortable, modern cabin that feels more upscale than its size might suggest. It delivers composed handling and confident on-road manners while offering practical versatility and a strong suite of driver assistance and infotainment features.

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Reviews Mercedes GLC

4.3 (15 Reviews)
rate
Józef
6 Aug 2026, 16:38:33

With air suspension it's very comfortable, pleasant to drive and economical.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
David
23 Jul 2026, 09:55:25

There's no comparison: Mercedes has spent 140 years creating genuine marvels of automotive engineering, while ZEEKR has been around for, at most, four years — they can't be compared.

Zede
10 May 2026, 20:12:35

Too expensive! To justify it with technology that's equal or inferior.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
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 A5 Avant
BMW 3 Series Touring
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Mercedes EQA and Mercedes GLC go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Mercedes EQA or the …
Audi Q6 e-tron
Mercedes GLC
VS
The Audi Q6 e-tron and the Mercedes GLC represent two different takes on luxury midsize SUVs: the Q6 e-tron is Audi’s all-electric, tech-forward offering while the GLC is Mercedes’ established compact-luxury SUV available in conventional and electrified drivetrains. Choosing between them comes down …
Audi Q3
Mercedes GLC
VS
The Audi Q3 and Mercedes GLC are two popular luxury SUVs aimed at buyers who want premium style, modern tech and comfortable daily driving. This comparison shows how the Q3 prioritizes sporty handling and a crisp, driver-focused interior while the GLC leans toward a roomier cabin, softer ride and a …
Audi A5 Avant
Audi Q5
VS
The Audi A5 Avant and Audi Q5 pit a sleek, fastback-style estate against a compact premium SUV — one emphasises sharper handling, style and a car-like driving feel, the other delivers higher ride height, greater versatility and an easier view of the road. Pick the A5 Avant if you prioritise dynamic …
Audi A5 Avant
Mercedes GLC

Costs and Consumption
Price
41,600 - 92,400 £
Price
50,300 - 82,100 £
Consumption L/100km
2.1 - 7.7 L/100km
Consumption L/100km
1.6 - 9.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 - 108 km
Electric Range
122 - 128 km
Battery Capacity
-
Battery Capacity
-
co2
47 - 175 g/km
co2
41 - 214 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
1,985 - 2,400 kg
Trunk capacity
361 - 476 L
Trunk capacity
390 - 620 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,890 - 1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 535 kg
Payload
475 - 575 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Diesel MHEV, Plugin Hybrid, Petrol 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
Power HP
150 - 639 HP
Power HP
186 - 472 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
4.2 - 9 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
380 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
110 - 470 kW
Power kW
137 - 347 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D, B, E, F, G
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.