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Fiat 600 vs Mercedes GLS comparison

Compare performance (156 HP vs 404 HP), boot space and price (21,000 £ vs 92,700 £ ) at a glance. Find out which car is the better choice for you – Fiat 600 or Mercedes GLS?

Fiat 600 vs Mercedes GLS: Key differences

Fiat 600

4.8 (3 Reviews)
rate
  • substantially cheaper
  • considerably more efficient
  • considerably lighter
  • marginally more trunk space
details

Mercedes GLS

4.3 (1 Reviews)
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  • clearly more power
  • significantly quicker 0–100 km/h
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

600

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.

Fiat 600 is substantially cheaper – starting at 21,000 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 71,671 £.

Fuel consumption also shows a difference: the Fiat 600 uses 4.8 L/100km and is considerably more efficient than the Mercedes GLS with 7.9 L/100km. The difference is about 3.1 L/100km.

GLS

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 Mercedes GLS offers clearly more power – delivering 404 HP compared to 156 HP. That’s roughly 248 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is significantly quicker – completing the sprint in 5.6 s, while the Fiat 600 takes 8.5 s. That’s about 2.9 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers clearly more torque with 750 Nm compared to 260 Nm. That’s about 490 Nm more.

600

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 GLS offers more seats – 7 vs 5.

In terms of curb weight, Fiat 600 is considerably lighter – 1,265 kg compared to 2,580 kg. The difference is around 1,315 kg.

Looking at boot space, the Fiat 600 offers marginally more boot space – 385 L compared to 355 L. That’s a difference of about 30 L.

When it comes to payload, the Mercedes GLS carries markedly more – 820 kg compared to 517 kg. That’s a difference of about 303 kg.

Who wins the race in the data check?

The Fiat 600 is clearly superior overall 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 £21,000
600

Fiat 600

  • Engine Type Petrol MHEV, Electric, Petrol
  • Transmission Automatic, Manual
  • Drive Type Front-Wheel Drive
  • Power HP 100 - 156 HP
  • Consumption L/100km 4.8 - 5.7 L/100km
  • Consumption kWh/100km 15.1 kWh/100km
  • Electric Range 409 km
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Frequently compared as well

Fiat 600
Fiat Grande Panda
VS
The Fiat 600 and the Fiat Panda are two very different takes on the small-car idea: the 600 leans into retro charm and nimble city driving, while the Panda prioritizes practicality, roominess and everyday versatility. This quick comparison will help you decide whether you want a characterful …
Fiat 500
Fiat 600
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Fiat 600
Mercedes GLS

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Fiat 600

The Fiat 600 is small, cheeky and utterly charming, a pocket-sized Italian that packs more personality than its size suggests. Ideal for city buyers who want fuss-free motoring with a playful driving character, it puts smiles ahead of spreadsheets.

details
IMG_0240
IMG_0241

Reviews Fiat 600

4.8 (3 Reviews)
rate
Jos van der kolk
20 Jan 2026, 21:23:37

Lovely car — one thing they forgot: the 600 has a heat pump and, as far as I know, the 500 doesn’t, which is quite an important detail.

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

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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19C0481_004
19C0481_007
19C0483_036
19C0480_047
18C1072_111

Reviews Mercedes GLS

4.3 (1 Reviews)
rate

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

Frequently compared as well

Fiat 600
Renault Captur
VS
Choosing between the Fiat 600 and the Renault Captur comes down to whether you value chic, city-focused styling and nimble urban handling (Fiat) or roomy practicality and family-friendly versatility (Captur). Both occupy the compact crossover class, but the 600 leans toward fashionable, …
Fiat 600
Ford Puma
VS
Fiat 600 vs Ford Puma: two small family cars that appeal to city buyers who also want some crossover practicality. This guide cuts through the marketing to show which one suits you better depending on space needs, driving style and running-cost priorities. Quick verdict - Pick the Fiat 600 if you …
Fiat 600
Peugeot 208
VS
The Fiat 600 and the Peugeot 208 are compact city cars aimed at buyers who want easy urban driving and low running costs. The 600 leans into retro-styled, primarily electric simplicity and nimble city manners, while the 208 offers broader powertrain choice (including petrol and the e‑208), a …
Fiat 600
Jeep Avenger
VS
Deciding between the Fiat 600 and the Jeep Avenger comes down to whether you prefer a compact, city-focused car with Italian flair or a small crossover that offers higher ground clearance and a more rugged image. This comparison will look at space, efficiency, driving feel, safety and running costs …
Fiat 600
Peugeot 2008
VS
The Fiat 600 and the Peugeot 2008 take very different approaches to the small-car market: the 600 is a compact, city‑focused hatch while the 2008 is a taller, more versatile subcompact crossover. I’ll compare their space, driving feel, efficiency and running costs to help you decide which suits …
Fiat 600
Hyundai Kona
VS
The Fiat 600 and Hyundai Kona compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Fiat 600
Toyota Yaris Cross
VS
Choosing between the Fiat 600 and the Yaris Cross means weighing a compact, city-focused newcomer against a practical small crossover with proven hybrid technology. This comparison will cut through the specs to show how they differ in real-world space, efficiency, driving character and ownership …
Fiat 600
VW T-Cross
VS
Choosing between the Fiat 600 and the VW T‑Cross pits a compact, city-focused Fiat against Volkswagen’s practical subcompact SUV. The 600 leans into nimble urban driving and distinctive character, while the T‑Cross delivers more interior space, refinement and everyday versatility—pick the 600 for …
Fiat 600
Mercedes GLS

Costs and Consumption
Price
21,000 - 31,300 £
Price
92,700 - 104,600 £
Consumption L/100km
4.8 - 5.7 L/100km
Consumption L/100km
7.9 - 9.9 L/100km
Consumption kWh/100km
15.1 kWh/100km
Consumption kWh/100km
-
Electric Range
409 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 129 g/km
co2
206 - 226 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
1,265 - 1,595 kg
Curb weight
2,580 - 2,670 kg
Trunk capacity
360 - 385 L
Trunk capacity
355 L
Length
-
Length
-
Width
1,779 mm
Width
1,956 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
427 - 517 kg
Payload
810 - 820 kg

Engine and Performance
Engine Type
Petrol MHEV, Electric, Petrol
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic, Manual
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox, Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
100 - 156 HP
Power HP
336 - 404 HP
Acceleration 0-100km/h
8.5 - 10.6 s
Acceleration 0-100km/h
5.6 - 6.2 s
Max Speed
-
Max Speed
-
Torque
205 - 260 Nm
Torque
560 - 750 Nm
Number of Cylinders
3
Number of Cylinders
6
Power kW
74 - 115 kW
Power kW
247 - 297 kW
Engine capacity
1,199 cm3
Engine capacity
2,989 - 2,999 cm3

General
Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
C, A, D
CO2 Efficiency Class
G
Brand
Fiat
Brand
Mercedes-Benz
What drive types are available for the Fiat 600?

The Fiat 600 is available as Front-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.