VS

Mercedes C Class Sedan vs Audi A5 Sportback comparison

Compare performance (680 HP vs 639 HP), boot space and price (41,300 £ vs 40,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes C Class Sedan or Audi A5 Sportback?

Mercedes C Class Sedan vs Audi A5 Sportback: Key differences

Mercedes C Class Sedan

  • only slightly more power
  • noticeably more efficient
  • very slightly more electric range
  • very slightly quicker 0–100 km/h
  • very slightly lighter
  • visibly more trunk space

Audi A5 Sportback

  • marginally cheaper

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

C Class Sedan

Costs and Efficiency:

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

Audi A5 Sportback is marginally cheaper – starting at 40,200 £ , while the Mercedes C Class Sedan costs 41,300 £ . That’s a price difference of around 1,125 £.

Fuel consumption also shows a difference: the Mercedes C Class Sedan uses 1.6 L/100km and is noticeably more efficient than the Audi A5 Sportback with 2 L/100km. The difference is about 0.4 L/100km.

As for electric range, the Mercedes C Class Sedan offers very slightly more range – reaching up to 117 km, about 7 km more than the Audi A5 Sportback.

A5 Sportback

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 C Class Sedan offers only slightly more power – delivering 680 HP compared to 639 HP. That’s roughly 41 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Sedan is very slightly quicker – completing the sprint in 3.4 s, while the Audi A5 Sportback takes 3.7 s. That’s about 0.3 s quicker.

There’s no difference in top speed – both reach 250 km/h.

There’s also a difference in torque: the Mercedes C Class Sedan delivers moderately more torque with 1,020 Nm compared to 825 Nm. That’s about 195 Nm more.

C Class Sedan

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes C Class Sedan is very slightly lighter – 1,695 kg compared to 1,770 kg. The difference is around 75 kg.

Looking at boot space, the Mercedes C Class Sedan offers visibly more boot space – 455 L compared to 331 L. That’s a difference of about 124 L.

When it comes to payload, the Mercedes C Class Sedan carries marginally more – 570 kg compared to 530 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Mercedes C Class Sedan stands out in the key areas 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 £41,300
C Class Sedan

Mercedes C Class Sedan

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 1.6 - 9 L/100km
  • Electric Range : 11 - 117 km
details

Frequently compared as well

Mercedes B Class
Mercedes C Class Sedan
VS
The Mercedes B-Klasse and C-Klasse Limousine are distinct in their appeal, catering to different automotive preferences. The B-Klasse offers a spacious interior and versatility ideal for family-oriented buyers, while the C-Klasse Limousine crafts a more luxurious experience with its sleek design …
Audi A5 Avant
Audi A5 Sportback
VS
Unsure whether the Audi A5 Avant or the Audi A5 Sportback is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mercedes C Class Sedan
Audi A5 Sportback

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

details
21C0295_008
21C0295_012
21C0295_018
21C0297_041
21C0297_069

Reviews Mercedes C Class Sedan

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

Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

details
A1911787_overfull
A1911784_overfull
A1911785_overfull
A213103_overfull
A1911786_overfull
A213573_overfull

Reviews Audi A5 Sportback

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

Frequently compared as well

Audi A3 Sportback
Audi A5 Sportback
VS
The Audi A3 Sportback and Audi A5 Sportback compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Audi Q3
Audi A5 Sportback
VS
The Audi Q3 and the Audi A5 Sportback both bring distinct strengths to the luxury compact market. The Q3, with its SUV stance, offers a versatile and roomy interior ideal for those seeking practicality and elevated driving positions, while the A5 Sportback boasts a sleek, coupe-like design paired …
Audi A5 Sportback
Audi Q5
VS
The Audi A5 Sportback and Audi Q5 compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Audi A5 Sportback
VW Passat
VS
In a head-to-head comparison, the Audi A5 Sportback impresses with its sleek design and performance-oriented features, appealing to those who value a blend of luxury and sportiness. Meanwhile, the VW Passat offers a more practical approach, prioritizing spaciousness and comfort for families and …
Mercedes A Class
Mercedes C Class Sedan
VS
The Mercedes A Class and Mercedes C Class Sedan compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes A Class Saloon
Mercedes C Class Sedan
VS
The Mercedes A Class Saloon and Mercedes C Class Sedan compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes C Class Sedan
Volvo V60
VS
The Mercedes C Class Sedan and Volvo V60 compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Audi A4 Limousine
Audi A5 Sportback
VS
The Audi A4 Limousine and Audi A5 Sportback compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes C Class Sedan
Audi A5 Sportback

Costs and Consumption
Price
41,300 - 103,400 £
Price
40,200 - 91,000 £
Consumption L/100km
1.6 - 9 L/100km
Consumption L/100km
2 - 7.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
11 - 117 km
Electric Range
84 - 110 km
Battery Capacity
19.5 kWh
Battery Capacity
20.7 kWh
co2
41 - 205 g/km
co2
45 - 172 g/km
Fuel tank capacity
50 L
Fuel tank capacity
46 L

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
4 - 5
Doors
4
Doors
5
Curb weight
1,695 - 2,195 kg
Curb weight
1,770 - 2,430 kg
Trunk capacity
315 - 455 L
Trunk capacity
331 L
Length
4,751 mm
Length
4,829 mm
Width
1,820 - 1,900 mm
Width
1,860 - 1,952 mm
Height
1,438 mm
Height
1,444 mm
Max trunk capacity
-
Max trunk capacity
1,175 L
Payload
480 - 570 kg
Payload
475 - 530 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, 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
183 - 680 HP
Power HP
150 - 639 HP
Acceleration 0-100km/h
3.4 - 8.6 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
235 - 250 km/h
Max Speed
250 km/h
Torque
250 - 1,020 Nm
Torque
280 - 825 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
135 - 500 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, B, D, G
CO2 Efficiency Class
B, E, F, D
Brand
Mercedes-Benz
Brand
Audi
What drivetrain options does the Mercedes C Class Sedan have?

The Mercedes C Class Sedan is available as 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.