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Mercedes GLC vs Alfa Romeo Tonale comparison

Compare performance (472 HP vs 268 HP), boot space and price (50,300 £ vs 35,500 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLC or Alfa Romeo Tonale?

Mercedes GLC vs Alfa Romeo Tonale: Key differences

Mercedes GLC

4.3 (14 Reviews)
rate
  • considerably more power
  • substantially more efficient
  • substantially more electric range
  • considerably quicker 0–100 km/h
  • somewhat more trunk space
details

Alfa Romeo Tonale

4.8 (2 Reviews)
rate
  • considerably cheaper
  • noticeably 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:

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

Alfa Romeo Tonale is considerably cheaper – starting at 35,500 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 14,842 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is substantially more efficient than the Alfa Romeo Tonale with 3.4 L/100km. The difference is about 1.8 L/100km.

As for electric range, the Mercedes GLC offers substantially more range – reaching up to 128 km, about 66 km more than the Alfa Romeo Tonale.

Tonale

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 considerably more power – delivering 472 HP compared to 268 HP. That’s roughly 204 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC is considerably quicker – completing the sprint in 4.2 s, while the Alfa Romeo Tonale takes 10.9 s. That’s about 6.7 s quicker.

There’s also a difference in torque: the Mercedes GLC delivers significantly more torque with 750 Nm compared to 320 Nm. That’s about 430 Nm more.

GLC

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, Alfa Romeo Tonale is noticeably lighter – 1,600 kg compared to 1,985 kg. The difference is around 385 kg.

Looking at boot space, the Mercedes GLC offers somewhat more boot space – 620 L compared to 500 L. That’s a difference of about 120 L.

When it comes to payload, the Mercedes GLC carries marginally more – 575 kg compared to 535 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Mercedes GLC holds a decisive overall lead 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
Mercedes GLC
Alfa Romeo Tonale

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

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.

details

Alfa Romeo Tonale

The Alfa Romeo Tonale embodies the brand's timeless elegance and sporty DNA, captivating drivers with its bold design and dynamic presence on the road. Inside, the Tonale impresses with a perfect blend of luxury and cutting-edge technology, offering a sophisticated driving experience that remains true to the Alfa Romeo spirit. With its agile performance and distinctive character, the Tonale stands out in the competitive SUV market, appealing to those who seek both style and substance.

details
Mercedes GLC
Alfa Romeo Tonale

Costs and Consumption

Price
50,300 - 82,100 £
Price
35,500 - 53,200 £
Consumption L/100km
1.6 - 9.4 L/100km
Consumption L/100km
3.4 - 5.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
122 - 128 km
Electric Range
62 km
Battery Capacity
-
Battery Capacity
-
co2
41 - 214 g/km
co2
77 - 138 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
1,600 - 1,910 kg
Trunk capacity
390 - 620 L
Trunk capacity
385 - 500 L
Length
-
Length
-
Width
1,890 - 1,920 mm
Width
1,835 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 575 kg
Payload
510 - 535 kg

Engine and Performance

Engine Type
Diesel MHEV, Plugin Hybrid, Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
186 - 472 HP
Power HP
130 - 268 HP
Acceleration 0-100km/h
4.2 - 9 s
Acceleration 0-100km/h
10.9 s
Max Speed
-
Max Speed
-
Torque
380 - 750 Nm
Torque
320 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
137 - 347 kW
Power kW
96 - 197 kW
Engine capacity
1,993 - 2,999 cm3
Engine capacity
1,332 - 1,598 cm3

General

Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, B, E, F, G
CO2 Efficiency Class
D, B, E
Brand
Mercedes-Benz
Brand
Alfa Romeo
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.