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Genesis G80 vs Mazda 6 Saloon comparison

Compare performance (370 HP vs 258 HP), boot space and price (64,300 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – Genesis G80 or Mazda 6 Saloon?

Genesis G80 vs Mazda 6 Saloon: Key differences

Genesis G80

  • noticeably more power
  • barely more electric range
  • considerably quicker 0–100 km/h
  • very slightly more trunk space
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Mazda 6 Saloon

  • significantly cheaper
  • barely more efficient
  • slightly lighter
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By Achim Sedelmaier

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

G80

Costs and Efficiency:

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

Mazda 6 Saloon is significantly cheaper – starting at 38,500 £ , while the Genesis G80 costs 64,300 £ . That’s a price difference of around 25,800 £.

In terms of energy consumption, the Mazda 6 Saloon is barely more efficient: consuming 16.5 kWh/100km compared to 18.1 kWh/100km for the Genesis G80. That’s a difference of about 1.6 kWh/100km.

As for electric range, the Genesis G80 offers barely more range – reaching up to 570 km, about 18 km more than the Mazda 6 Saloon.

6 Saloon

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 Genesis G80 offers noticeably more power – delivering 370 HP compared to 258 HP. That’s roughly 112 HP more horsepower.

When accelerating from 0 to 100 km/h, the Genesis G80 is considerably quicker – completing the sprint in 5.1 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the Genesis G80 delivers substantially more torque with 700 Nm compared to 320 Nm. That’s about 380 Nm more.

G80

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mazda 6 Saloon is slightly lighter – 2,027 kg compared to 2,410 kg. The difference is around 383 kg.

Looking at boot space, the Genesis G80 offers very slightly more boot space – 354 L compared to 336 L. That’s a difference of about 18 L.

When it comes to payload, the Genesis G80 carries clearly more – 490 kg compared to 360 kg. That’s a difference of about 130 kg.

Who wins the race in the data check?

The Genesis G80 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 £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
Genesis G80
Mazda 6 Saloon

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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Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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Genesis G80
Mazda 6 Saloon

Costs and Consumption

Price
64,300 - 67,800 £
Price
38,500 - 41,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
18.1 kWh/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
570 km
Electric Range
479 - 552 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,410 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
354 L
Trunk capacity
336 L
Length
-
Length
4,921 mm
Width
1,925 mm
Width
1,890 mm
Height
-
Height
1,491 mm
Max trunk capacity
-
Max trunk capacity
1,074 L
Payload
490 kg
Payload
359 - 360 kg

Engine and Performance

Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
370 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
5.1 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
-
Max Speed
175 km/h
Torque
700 Nm
Torque
320 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
272 kW
Power kW
180 - 190 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Genesis
Brand
Mazda
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.