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Mercedes GLC vs Audi A5 Sportback comparison

Compare performance (472 HP vs 639 HP), boot space and price (50,300 £ vs 40,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLC or Audi A5 Sportback?

Mercedes GLC vs Audi A5 Sportback: Key differences

Mercedes GLC

4.4 (13 Reviews)
rate
  • visibly more efficient
  • somewhat more electric range
  • considerably more trunk space
details

Audi A5 Sportback

  • visibly cheaper
  • noticeably more power
  • moderately quicker 0–100 km/h
  • slightly lighter
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

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

GLC

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 A5 Sportback is visibly cheaper – starting at 40,200 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 10,127 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is visibly 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 GLC offers somewhat more range – reaching up to 128 km, about 18 km more than the Audi A5 Sportback.

A5 Sportback

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi A5 Sportback offers noticeably 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 Sportback 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 Sportback delivers only slightly more torque with 825 Nm compared to 750 Nm. That’s about 75 Nm more.

GLC

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, Audi A5 Sportback is slightly lighter – 1,770 kg compared to 1,985 kg. The difference is around 215 kg.

Looking at boot space, the Mercedes GLC offers considerably more boot space – 620 L compared to 331 L. That’s a difference of about 289 L.

When it comes to payload, the Mercedes GLC carries only slightly more – 575 kg compared to 530 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The Audi A5 Sportback is narrowly 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 £40,200
A5 Sportback

Audi A5 Sportback

  • 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 - 7.6 L/100km
  • Electric Range 84 - 110 km
Mercedes GLC
Audi A5 Sportback

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

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.

details

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
Mercedes GLC
Audi A5 Sportback

Costs and Consumption

Price
50,300 - 82,100 £
Price
40,200 - 91,000 £
Consumption L/100km
1.6 - 9.4 L/100km
Consumption L/100km
2 - 7.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
122 - 128 km
Electric Range
84 - 110 km
Battery Capacity
-
Battery Capacity
-
co2
41 - 214 g/km
co2
45 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,985 - 2,400 kg
Curb weight
1,770 - 2,430 kg
Trunk capacity
390 - 620 L
Trunk capacity
331 L
Length
-
Length
-
Width
1,890 - 1,920 mm
Width
1,860 - 1,952 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 575 kg
Payload
475 - 530 kg

Engine and Performance

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

General

Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, B, E, F, G
CO2 Efficiency Class
B, E, F, D
Brand
Mercedes-Benz
Brand
Audi
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.