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BMW 3 Series Saloon vs Mercedes AMG GT comparison

Compare performance (530 HP vs 816 HP), boot space and price (39,900 £ vs 102,500 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or Mercedes AMG GT?

BMW 3 Series Saloon vs Mercedes AMG GT: Key differences

BMW 3 Series Saloon

  • substantially cheaper
  • significantly more efficient
  • significantly more electric range
  • moderately lighter
  • clearly more trunk space
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Mercedes AMG GT

  • noticeably more power
  • clearly quicker 0–100 km/h
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Here’s where it gets real: The technical differences in detail

3 Series Saloon

Costs and Efficiency:

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

BMW 3 Series Saloon is substantially cheaper – starting at 39,900 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 62,562 £.

Fuel consumption also shows a difference: the BMW 3 Series Saloon uses 2.4 L/100km and is significantly more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 7.9 L/100km.

As for electric range, the BMW 3 Series Saloon offers significantly more range – reaching up to 101 km, about 90 km more than the Mercedes AMG GT.

AMG GT

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 AMG GT offers noticeably more power – delivering 816 HP compared to 530 HP. That’s roughly 286 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is clearly quicker – completing the sprint in 2.8 s, while the BMW 3 Series Saloon takes 3.5 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers substantially more torque with 1,420 Nm compared to 700 Nm. That’s about 720 Nm more.

3 Series Saloon

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: BMW 3 Series Saloon offers more seats – 5 vs 2.

In terms of curb weight, BMW 3 Series Saloon is moderately lighter – 1,575 kg compared to 1,790 kg. The difference is around 215 kg.

Looking at boot space, the BMW 3 Series Saloon offers clearly more boot space – 480 L compared to 321 L. That’s a difference of about 159 L.

When it comes to payload, the BMW 3 Series Saloon carries significantly more – 495 kg compared to 215 kg. That’s a difference of about 280 kg.

Who wins the race in the data check?

The BMW 3 Series Saloon 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 £39,900
3 Series Saloon

BMW 3 Series Saloon

  • Engine Type Diesel MHEV, Petrol, Petrol MHEV, Plug-in Hybrid
  • Transmission Automatic, Manual
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 150 - 530 HP
  • Consumption L/100km 2.4 - 10.1 L/100km
  • Electric Range 96 - 101 km
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Mercedes AMG GT

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 3 Series Saloon

The BMW 3 Series saloon is a driver's car in a suit, blending poised handling with a cabin that feels more premium than its practicality suggests. It’s composed enough for daily duties yet playful enough to keep weekend drives interesting, making it a sensible choice for buyers who still want to have fun.

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Reviews BMW 3 Series Saloon

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Mercedes AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Reviews Mercedes AMG GT

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BMW 3 Series Saloon
Mercedes AMG GT

Costs and Consumption
Price
39,900 - 92,200 £
Price
102,500 - 194,400 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
10.3 - 14 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
96 - 101 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
54 - 227 g/km
co2
235 - 319 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,575 - 1,960 kg
Curb weight
1,790 - 2,195 kg
Trunk capacity
375 - 480 L
Trunk capacity
182 - 321 L
Length
-
Length
-
Width
1,827 - 1,903 mm
Width
1,929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
405 - 495 kg
Payload
170 - 215 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plug-in Hybrid
Engine Type
Petrol MHEV, Petrol, Plug-in Hybrid
Transmission
Automatic, Manual
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
150 - 530 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
250 - 700 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 8
Power kW
110 - 390 kW
Power kW
320 - 600 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
D, E, F, G, B
CO2 Efficiency Class
G
Brand
BMW
Brand
Mercedes-Benz
Is the BMW 3 Series Saloon offered with different drivetrains?

The BMW 3 Series Saloon is available as Rear-Wheel Drive or 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.