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Mercedes C Class Estate vs Audi A5 Avant comparison

Compare performance (288 HP vs 639 HP), boot space and price (42,600 £ vs 41,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes C Class Estate or Audi A5 Avant?

Mercedes C Class Estate vs Audi A5 Avant: Key differences

Mercedes C Class Estate

3.6 (1 Reviews)
rate
  • only slightly lighter
  • visibly more trunk space
details

Audi A5 Avant

4.4 (1 Reviews)
rate
  • only slightly cheaper
  • significantly more power
  • substantially more efficient
  • considerably quicker 0–100 km/h
details

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

C Class Estate

The automotive market is brimming with exceptional models that cater to a variety of tastes and preferences. Among the most popular contenders in the luxury wagon segment are the Audi A5 Avant and the Mercedes C-Klasse T-Modell. Both vehicles promise a blend of performance, comfort, and innovative technology, but how do they stack up against each other? In this article, we will delve into the technical aspects, design philosophies, and innovations of these two remarkable offering.

A5 Avant

Design and Space: A Practical Comparison

Starting with design, both the Audi A5 Avant and the Mercedes C-Klasse T-Modell present a sleek and sporty profile that is characteristic of their respective brands. The A5 Avant, with its dynamic lines and slightly lower stance, offers a modern, aggressive look, while the C-Klasse T-Modell is more traditional yet refined, showcasing the classic Mercedes elegance.

In terms of dimensions, the A5 Avant measures 4829 mm in length and 1860 mm in width, providing a spacious cabin for its 4 occupants. The trunks have a capacity of up to 476 liters, making it practical for families or weekend trips. In contrast, the C-Klasse T-Modell is slightly smaller at 4751 mm to 4842 mm, yet offers greater trunk space of 490 liters, accommodating up to 5 passengers comfortably.

C Class Estate

Engine and Performance: Powertrains Under the Hood

When it comes to power, the Audi A5 Avant offers a range of engines including diesel MHEV and petrol variants, ranging from 150 to 367 HP, with impressive acceleration times of 4.5 to 9.8 seconds from 0 to 100 km/h, depending on the engine choice. The car's all-wheel drive option enhances grip and performance on varied terrains, while a fuel consumption of just 4.8 to 7.5 L/100 km keeps running costs manageable.

On the other hand, the Mercedes C-Klasse T-Modell presents a broader array of powertrains, including plug-in hybrids and multiple engine variations that deliver between 193 and an impressive 680 HP in the AMG variant. Its acceleration ranges from a respectable 3.4 seconds to a more conservative 8.8 seconds depending on the model. The C-Klasse boasts an all-electric driving range of up to 113 km in certain plug-in hybrid versions, showcasing its commitment to sustainability.

A5 Avant

Technological Innovations That Inspire

Both vehicles are laden with advanced technologies designed to enhance the driving experience. The Audi A5 Avant comes equipped with the latest version of the MMI infotainment system, featuring a high-resolution display and intuitive controls. Audi's Virtual Cockpit, a digital instrument cluster, offers customizable options, keeping essential information front and center.

Conversely, the C-Klasse T-Modell is fortified with the MBUX (Mercedes-Benz User Experience) system, known for its voice activation capabilities and AI functionality, granting it a more personal touch. It also integrates features such as augmented reality navigation, making the driving experience more informative and engaging.

C Class Estate

Safety and Efficiency: A Commitment to Excellence

Safety remains a top priority for both manufacturers. The Audi A5 Avant incorporates features like adaptive cruise control, lane assist, and traffic sign recognition, aiming to prevent accidents and enhance overall safety. Its efficient CO2 emissions ratings mirror its focus on sustainability, with figures ranging from 127 to 169 g/km based on selected configurations.

Similarly, the Mercedes C-Klasse T-Modell excels in safety features, offering systems such as active brake assist, blind-spot monitoring, and a comprehensive suite of driver assistance technologies. Its CO2 efficiency class ranges from E to B, indicating a strongefficiency focus that aligns with modern environmental standards.

A5 Avant

The Verdict: Choosing Your Ideal Luxury Wagon

Ultimately, the choice between the Audi A5 Avant and the Mercedes C-Klasse T-Modell will largely depend on personal preferences and requirements. The A5 Avant excels in offering sporty performance and a stylish design, making it a suitable choice for those who prioritize driving dynamics. Meanwhile, the C-Klasse T-Modell shines in its versatility and innovative technology, appealing to families looking for a powerful yet practical vehicle.

Both models represent the pinnacle of what luxury wagons can offer, merging technology with design and performance. As the automotive world evolves, these two heavyweights continue to push the boundaries of what’s possible in the luxury segment.

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 C Class Estate
Mercedes CLA Shooting Brake
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Here’s where it gets real: The technical differences in detail

C Class Estate

Costs and Efficiency:

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

Audi A5 Avant is only slightly cheaper – starting at 41,600 £ , while the Mercedes C Class Estate costs 42,600 £ . That’s a price difference of around 986 £.

Fuel consumption also shows a difference: the Audi A5 Avant uses 2.1 L/100km and is substantially more efficient than the Mercedes C Class Estate with 4.7 L/100km. The difference is about 2.6 L/100km.

A5 Avant

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 significantly more power – delivering 639 HP compared to 288 HP. That’s roughly 351 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Avant is considerably quicker – completing the sprint in 3.7 s, while the Mercedes C Class Estate takes 5.8 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the Audi A5 Avant delivers noticeably more torque with 825 Nm compared to 550 Nm. That’s about 275 Nm more.

C Class Estate

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, Mercedes C Class Estate is only slightly lighter – 1,755 kg compared to 1,785 kg. The difference is around 30 kg.

Looking at boot space, the Mercedes C Class Estate offers visibly more boot space – 490 L compared to 361 L. That’s a difference of about 129 L.

When it comes to payload, the Mercedes C Class Estate carries only slightly more – 565 kg compared to 535 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The Audi A5 Avant stands well ahead of its rival 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
details
Mercedes C Class Estate
Audi A5 Avant

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes C Class Estate

The Mercedes C-Class wagon dresses Mercedes refinement in a sensible, practical package, marrying a sleek estate silhouette with a plush, high-quality cabin that feels more premium than its badge implies. It quietly soaks up motorway miles and cartloads of family kit with composed handling and effortless comfort — a clever alternative to an SUV for buyers who still like to steer.

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Reviews Mercedes C Class Estate

3.6 (1 Reviews)
rate
Storcki
15 May 2026, 10:11:16

To me, the CLA's interior and front end are tasteless and an affront — the C estate is clearly much more attractive.

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

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

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Mercedes C Class Estate
Audi A5 Avant

Costs and Consumption
Price
42,600 - 67,200 £
Price
41,600 - 92,400 £
Consumption L/100km
4.7 - 6.9 L/100km
Consumption L/100km
2.1 - 7.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
83 - 108 km
Battery Capacity
-
Battery Capacity
-
co2
123 - 157 g/km
co2
47 - 175 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,755 - 1,940 kg
Curb weight
1,785 - 2,445 kg
Trunk capacity
490 L
Trunk capacity
361 L
Length
-
Length
-
Width
1,820 mm
Width
1,860 - 1,952 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
460 - 565 kg
Payload
480 - 535 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
186 - 288 HP
Power HP
150 - 639 HP
Acceleration 0-100km/h
5.8 - 8.8 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
-
Max Speed
-
Torque
250 - 550 Nm
Torque
280 - 825 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
137 - 212 kW
Power kW
110 - 470 kW
Engine capacity
1,496 - 1,999 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,024 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, D
CO2 Efficiency Class
B, E, F, D
Brand
Mercedes-Benz
Brand
Audi
What drivetrain options does the Mercedes C Class Estate have?

The Mercedes C Class Estate is offered with Rear-Wheel Drive or All-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.