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Audi A3 Limousine vs Mercedes GLC comparison

Compare performance (400 HP vs 472 HP), boot space and price (27,700 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Limousine or Mercedes GLC?

Audi A3 Limousine vs Mercedes GLC: Key differences

Audi A3 Limousine

  • clearly cheaper
  • moderately quicker 0–100 km/h
  • substantially lighter
details

Mercedes GLC

4.4 (13 Reviews)
rate
  • slightly more power
  • substantially more efficient
  • visibly more trunk space
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

A3 Limousine

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi A3 Limousine is clearly cheaper – starting at 27,700 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 22,642 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is substantially more efficient than the Audi A3 Limousine with 4.4 L/100km. The difference is about 2.8 L/100km.

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 offers slightly more power – delivering 472 HP compared to 400 HP. That’s roughly 72 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Limousine is moderately quicker – completing the sprint in 3.8 s, while the Mercedes GLC takes 4.2 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes GLC delivers markedly more torque with 750 Nm compared to 500 Nm. That’s about 250 Nm more.

A3 Limousine

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 A3 Limousine is substantially lighter – 1,360 kg compared to 1,985 kg. The difference is around 625 kg.

Looking at boot space, the Mercedes GLC offers visibly more boot space – 620 L compared to 425 L. That’s a difference of about 195 L.

When it comes to payload, the Mercedes GLC carries a bit more – 575 kg compared to 480 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The Mercedes GLC 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 £50,300
GLC

Mercedes GLC

  • Engine Type Diesel MHEV, Plugin Hybrid, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 186 - 472 HP
  • Consumption L/100km 1.6 - 9.4 L/100km
  • Electric Range 122 - 128 km
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Frequently compared as well

Mercedes GLC
Volvo EX60
VS
The Mercedes GLC and the Volvo EX60 take different approaches to the premium compact SUV segment: the GLC leans on refined ride, traditional luxury and a choice of petrol, mild-hybrid or plug-in options, while the EX60 emphasizes all-electric power, minimalist Scandinavian design and advanced …
Mercedes GLC
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The Mercedes GLC is a compact luxury SUV prized for refined comfort, premium interiors and familiar petrol and mild‑hybrid drivetrains; the XPeng G9 is a fully electric, tech‑centric SUV that emphasizes long range, advanced driver assistance and extensive in‑car connectivity. Compare classic …
Audi A3 Limousine
Mercedes GLC

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A3 Limousine

The Audi A3 sedan dresses up compact practicality in clean, premium lines, giving you the feel of an upscale small car with a proper boot. Inside it’s neat, driver-focused and nicely finished — a sensible, enjoyable daily companion that prefers poise over showy theatrics.

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Reviews Audi A3 Limousine

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

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.

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Reviews Mercedes GLC

4.4 (13 Reviews)
rate
Zede
10 May 2026, 20:12:35

Too expensive! To justify it with technology that's equal or inferior.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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In a head-to-head comparison of the Audi A3 Sportback and Audi A3 Limousine, both models showcase the brand's commitment to luxury and performance, yet cater to slightly different preferences. The Sportback impresses with its versatile hatchback design, offering enhanced cargo space and …
Mercedes GLB
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Audi A3 Limousine
Mercedes GLC

Costs and Consumption
Price
27,700 - 94,300 £
Price
50,300 - 82,100 £
Consumption L/100km
4.4 - 9.2 L/100km
Consumption L/100km
1.6 - 9.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
122 - 128 km
Battery Capacity
-
Battery Capacity
-
co2
115 - 208 g/km
co2
41 - 214 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,360 - 1,640 kg
Curb weight
1,985 - 2,400 kg
Trunk capacity
321 - 425 L
Trunk capacity
390 - 620 L
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,890 - 1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 480 kg
Payload
475 - 575 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel
Engine Type
Diesel MHEV, Plugin Hybrid, Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 400 HP
Power HP
186 - 472 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
4.2 - 9 s
Max Speed
-
Max Speed
-
Torque
220 - 500 Nm
Torque
380 - 750 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4 - 6
Power kW
85 - 294 kW
Power kW
137 - 347 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, C, E, G
CO2 Efficiency Class
D, B, E, F, G
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi A3 Limousine?

The Audi A3 Limousine is available as Front-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.