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Mercedes GLC vs smart #3 comparison

Compare performance (472 HP vs 272 HP), boot space and price (50,300 £ vs 42,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLC or smart #3?

Mercedes GLC vs smart #3: Key differences

Mercedes GLC

4.4 (11 Reviews)
rate
  • significantly more power
  • visibly quicker 0–100 km/h
  • clearly more trunk space
details

smart #3

5 (1 Reviews)
rate
  • moderately cheaper
  • substantially more electric range
  • only 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.

smart #3 is moderately cheaper – starting at 42,000 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 8,336 £.

As for electric range, the smart #3 offers substantially more range – reaching up to 455 km, about 327 km more than the Mercedes GLC.

#3

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes GLC offers significantly more power – delivering 472 HP compared to 272 HP. That’s roughly 200 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC is visibly quicker – completing the sprint in 4.2 s, while the smart #3 takes 5.8 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the Mercedes GLC delivers substantially more torque with 750 Nm compared to 384 Nm. That’s about 366 Nm more.

GLC

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, smart #3 is only slightly lighter – 1,810 kg compared to 1,985 kg. The difference is around 175 kg.

Looking at boot space, the Mercedes GLC offers clearly more boot space – 620 L compared to 370 L. That’s a difference of about 250 L.

When it comes to payload, the Mercedes GLC carries noticeably more – 575 kg compared to 450 kg. That’s a difference of about 125 kg.

Who wins the race in the data check?

The Mercedes GLC is slightly 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 £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
details

Frequently compared as well

Mercedes GLC
Volvo EX60
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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
Toyota RAV4
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Choosing between the Mercedes GLC and the Toyota RAV4 comes down to whether you prioritize luxury and driving refinement or practicality and low running costs. The GLC brings a more premium cabin, sharper handling and advanced tech, while the RAV4 focuses on reliability, fuel efficiency and …
Mercedes GLC
smart #3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLC

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
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Reviews Mercedes GLC

4.4 (11 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

smart #3

The Smart #3 turns the brand's cheeky city-car attitude into a grown-up compact SUV, pairing sleek styling with a surprisingly roomy, well-made interior. It's a brilliant pick for buyers who want electric ease without dullness — practical enough for daily life, but still lively enough to make parking and grocery runs feel a little fun.

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smart-hashtag3-brabus-photon-orange-exterior-mallorca13
smart-hashtag3-brabus-photon-orange-exterior-mallorca21
smart-hashtag3-brabus-photon-orange-interior-mallorca10
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Reviews smart #3

5 (1 Reviews)
rate
Ronny
16 Oct 2025, 13:10:59

Handsome design, packed with advanced driver‑assist technology and stellar performance — all at an attractive price. Highly recommended, this car!

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VS
The Mercedes GLC and Volvo XC60 are two of the top contenders in the compact luxury SUV class, each bringing a distinct take on comfort, technology and driving dynamics. If you prioritize sporty refinement and a plush, tech-forward cabin the GLC is a strong choice; if you value Scandinavian design, …
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Land Rover Range Rover Evoque
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Mercedes GLC
smart #3

Costs and Consumption
Price
50,300 - 82,100 £
Price
42,000 £
Consumption L/100km
1.6 - 9.4 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.3 kWh/100km
Electric Range
122 - 128 km
Electric Range
455 km
Battery Capacity
-
Battery Capacity
-
co2
41 - 214 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,985 - 2,400 kg
Curb weight
1,810 kg
Trunk capacity
390 - 620 L
Trunk capacity
370 L
Length
-
Length
-
Width
1,890 - 1,920 mm
Width
1,844 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 575 kg
Payload
450 kg

Engine and Performance
Engine Type
Diesel MHEV, Plugin Hybrid, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
186 - 472 HP
Power HP
272 HP
Acceleration 0-100km/h
4.2 - 9 s
Acceleration 0-100km/h
5.8 s
Max Speed
-
Max Speed
-
Torque
380 - 750 Nm
Torque
384 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
137 - 347 kW
Power kW
200 kW
Engine capacity
1,993 - 2,999 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
D, B, E, F, G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
smart
Is the Mercedes GLC offered with different drivetrains?

Available configurations include 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.