@ Audi AG
@ Mercedes-Benz Group Media
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Audi A6 e-tron Sportback vs Mercedes GLC - Differences and prices compared

Compare performance (551 HP vs 680 HP), boot space and price (53800 £ vs 50300 £) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or Mercedes GLC?

Audi A6 e-tron Sportback

Mercedes GLC

4.4 (4 Reviews)
rate

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

A6 e-tron Sportback @ Audi AG

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.

Mercedes GLC has a hardly perceptible advantage in terms of price – it starts at 50300 £, while the Audi A6 e-tron Sportback costs 53800 £. That’s a price difference of around 3501 £.

In terms of energy consumption, the advantage goes to the Audi A6 e-tron Sportback: with 13.70 kWh per 100 km, it’s slight more efficient than the Mercedes GLC with 14.90 kWh. That’s a difference of about 1.20 kWh.

As for range, the Audi A6 e-tron Sportback performs barely noticeable better – achieving up to 754 km, about 40 km more than the Mercedes GLC.

GLC @ Mercedes-Benz Group Media

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 a bit edge – offering 680 HP compared to 551 HP. That’s roughly 129 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLC is a bit quicker – completing the sprint in 3.50 s, while the Audi A6 e-tron Sportback takes 3.90 s. That’s about 0.40 s faster.

In terms of top speed, the Mercedes GLC performs slightly better – reaching 275 km/h, while the Audi A6 e-tron Sportback tops out at 240 km/h. The difference is around 35 km/h.

There’s also a difference in torque: Mercedes GLC pulls to a small extent stronger with 1020 Nm compared to 855 Nm. That’s about 165 Nm difference.

A6 e-tron Sportback @ Audi AG

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: offers more seating capacity – vs .

In curb weight, Mercedes GLC is a bit lighter – 1910 kg compared to 2175 kg. The difference is around 265 kg.

In terms of boot space, the Mercedes GLC offers somewhat more room – 620 L compared to 502 L. That’s a difference of about 118 L.

In maximum load capacity, the Mercedes GLC performs distinct better – up to 1740 L, which is about 410 L more than the Audi A6 e-tron Sportback.

When it comes to payload, Mercedes GLC a bit takes the win – 600 kg compared to 500 kg. That’s a difference of about 100 kg.

Who comes out on top?

Overall, the Mercedes GLC shows itself to be wins the duel decisively and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £50,300
GLC @ Mercedes-Benz Group Media

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 A6 e-tron Sportback
Mercedes GLC

Costs and Consumption

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Engine and Performance

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Dimensions and Body

View detailed analysis

Audi A6 e-tron Sportback

The Audi A6 e-tron Sportback wraps futuristic electric technology in elegant, coupe-like proportions, so you arrive looking sharp without shouting for attention. Inside, refined materials and a calm, driver-focused layout make it a convincing choice for buyers who want quiet, effortless performance with a dash of everyday practicality — the kind of car that raises eyebrows without saying a word.

details

Mercedes GLC

4.4 (4 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.

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Audi A6 e-tron Sportback
Mercedes GLC
A6 e-tron Sportback @ Audi AG
GLC @ Mercedes-Benz Group Media

Costs and Consumption

Price
53800 - 98700 £
Price
50300 - 126600 £
Consumption L/100km
-
Consumption L/100km
1.6 - 9.9 L
Consumption kWh/100km
13.7 - 16.3 kWh
Consumption kWh/100km
14.9 - 16.6 kWh
Electric Range
572 - 754 km
Electric Range
12 - 714 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
94 kWh
co2
0 g/km
co2
0 - 225 g/km
Fuel tank capacity
-
Fuel tank capacity
49 - 65 L

Dimensions and Body

Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2175 - 2400 kg
Curb weight
1910 - 2535 kg
Trunk capacity
502 L
Trunk capacity
390 - 620 L
Length
4928 mm
Length
4716 - 4845 mm
Width
1923 mm
Width
1890 - 1913 mm
Height
1465 - 1487 mm
Height
1603 - 1647 mm
Max trunk capacity
1330 L
Max trunk capacity
1335 - 1740 L
Payload
470 - 500 kg
Payload
475 - 600 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
326 - 551 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
210 - 240 km/h
Max Speed
208 - 275 km/h
Torque
435 - 855 Nm
Torque
320 - 1020 Nm
Number of Cylinders
-
Number of Cylinders
4 - 6
Power kW
240 - 405 kW
Power kW
137 - 500 kW
Engine capacity
-
Engine capacity
1991 - 2989 cm3

General

Model Year
2024
Model Year
2025 - 2026
CO2 Efficiency Class
A
CO2 Efficiency Class
F, G, B, A
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi A6 e-tron Sportback have?

The Audi A6 e-tron Sportback is available as Rear-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.