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Genesis G80 vs Mercedes S-Class comparison

Compare performance (370 HP vs 635 HP), boot space and price (64,300 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Genesis G80 or Mercedes S-Class?

Genesis G80 vs Mercedes S-Class: Key differences

Genesis G80

  • considerably cheaper
  • considerably more electric range
details

Mercedes S-Class

  • clearly more power
  • visibly quicker 0–100 km/h
  • slightly lighter
  • markedly more trunk space
details

By Achim Sedelmaier

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

G80

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.

Genesis G80 is considerably cheaper – starting at 64,300 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 39,734 £.

As for electric range, the Genesis G80 offers considerably more range – reaching up to 570 km, about 452 km more than the Mercedes S-Class.

S-Class

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 S-Class offers clearly more power – delivering 635 HP compared to 370 HP. That’s roughly 265 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S-Class is visibly quicker – completing the sprint in 4 s, while the Genesis G80 takes 5.1 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes S-Class delivers slightly more torque with 850 Nm compared to 700 Nm. That’s about 150 Nm more.

G80

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, Mercedes S-Class is slightly lighter – 2,165 kg compared to 2,410 kg. The difference is around 245 kg.

Looking at boot space, the Mercedes S-Class offers markedly more boot space – 530 L compared to 354 L. That’s a difference of about 176 L.

When it comes to payload, the Mercedes S-Class carries noticeably more – 660 kg compared to 490 kg. That’s a difference of about 170 kg.

Who wins the race in the data check?

The Genesis G80 stands out in the key areas 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 £64,300
G80

Genesis G80

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 370 HP
  • Consumption kWh/100km 18.1 kWh/100km
  • Electric Range 570 km
details

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Genesis G80
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Genesis G80

The Genesis G80 is a quietly confident executive sedan that marries elegant, restrained design with an interior that feels bespoke rather than mass-produced. For buyers who crave flagship comfort and poise without the badge theatrics, the G80 serves serious luxury and refinement with a touch of surprising value — like a tuxedoed chauffeur who secretly loves great playlists.

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Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Genesis G80
Mercedes S-Class

Costs and Consumption
Price
64,300 - 67,800 £
Price
104,000 - 201,400 £
Consumption L/100km
-
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
18.1 kWh/100km
Consumption kWh/100km
-
Electric Range
570 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
50 - 252 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,410 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
354 L
Trunk capacity
345 - 530 L
Length
-
Length
-
Width
1,925 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
490 kg
Payload
420 - 660 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
370 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
5.1 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
700 Nm
Torque
560 - 850 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
272 kW
Power kW
247 - 467 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, B, F
Brand
Genesis
Brand
Mercedes-Benz
Is the Genesis G80 offered with different drivetrains?

The Genesis G80 is available as 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.