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Audi A5 Sportback vs Mercedes GLC - Differences and prices compared

Compare performance (367 HP vs 680 HP), boot space and price (38700 £ vs 50300 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Mercedes GLC?

Audi A5 Sportback

Mercedes GLC

4.5 (5 Reviews)
rate

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

A5 Sportback

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 Sportback has a clearly perceptible advantage in terms of price – it starts at 38700 £ , while the Mercedes GLC costs 50300 £ . That’s a price difference of around 11585 £.

Fuel consumption also shows a difference: Mercedes GLC manages with 1.60 L and is therefore evident more efficient than the Audi A5 Sportback with 2 L. The difference is about 0.40 L per 100 km.

As for electric range, the Mercedes GLC performs convincingly better – achieving up to 714 km, about 604 km more than the Audi A5 Sportback.

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 Mercedes GLC has a decisively edge – offering 680 HP compared to 367 HP. That’s roughly 313 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLC is distinct quicker – completing the sprint in 3.50 s, while the Audi A5 Sportback takes 4.50 s. That’s about 1 s faster.

In terms of top speed, the Mercedes GLC performs barely noticeable better – reaching 275 km/h, while the Audi A5 Sportback tops out at 250 km/h. The difference is around 25 km/h.

There’s also a difference in torque: Mercedes GLC pulls clearly stronger with 1020 Nm compared to 550 Nm. That’s about 470 Nm difference.

A5 Sportback

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.

Seats: Mercedes GLC offers a bit more seating capacity – 5 vs 4.

In curb weight, Audi A5 Sportback is barely noticeable lighter – 1770 kg compared to 1910 kg. The difference is around 140 kg.

In terms of boot space, the Mercedes GLC offers evident more room – 620 L compared to 445 L. That’s a difference of about 175 L.

In maximum load capacity, the Mercedes GLC performs evident better – up to 1740 L, which is about 441 L more than the Audi A5 Sportback.

When it comes to payload, Mercedes GLC a bit takes the win – 600 kg compared to 530 kg. That’s a difference of about 70 kg.

Who wins the race?

The Mercedes GLC proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Mercedes GLC is the better all-rounder in this comparison.

from about £50,300
GLC

Mercedes GLC

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 1.6 - 9.9 L
  • Consumption kWh/100km : 14.9 - 16.6 kWh
  • Electric Range : 12 - 714 km
Audi A5 Sportback
Mercedes GLC

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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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

4.5 (5 Reviews)
rate

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

details
Audi A5 Sportback
Mercedes GLC

Costs and Consumption

Price
38700 - 68600 £
Price
50300 - 126600 £
Consumption L/100km
2 - 7.6 L
Consumption L/100km
1.6 - 9.9 L
Consumption kWh/100km
-
Consumption kWh/100km
14.9 - 16.6 kWh
Electric Range
107 - 110 km
Electric Range
12 - 714 km
Battery Capacity
20.70 kWh
Battery Capacity
94 kWh
co2
45 - 172 g/km
co2
0 - 225 g/km
Fuel tank capacity
46 - 60 L
Fuel tank capacity
49 - 65 L

Dimensions and Body

Body Type
Hatchback
Body Type
SUV
Seats
4
Seats
5
Doors
5
Doors
5
Curb weight
1770 - 2170 kg
Curb weight
1910 - 2535 kg
Trunk capacity
331 - 445 L
Trunk capacity
390 - 620 L
Length
4829 - 4835 mm
Length
4716 - 4845 mm
Width
1860 mm
Width
1890 - 1913 mm
Height
1429 - 1444 mm
Height
1603 - 1647 mm
Max trunk capacity
1175 - 1299 L
Max trunk capacity
1335 - 1740 L
Payload
475 - 530 kg
Payload
475 - 600 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 367 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
4.5 - 9.8 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
216 - 250 km/h
Max Speed
208 - 275 km/h
Torque
280 - 550 Nm
Torque
320 - 1020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
110 - 270 kW
Power kW
137 - 500 kW
Engine capacity
1968 - 2995 cm3
Engine capacity
1991 - 2989 cm3

General

Model Year
2025
Model Year
2025 - 2026
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
F, G, B, A
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A5 Sportback offered with different drivetrains?

Available configurations include All-Wheel Drive or Front-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.