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Mercedes GLA vs Tesla Model 3 comparison

Compare performance (421 HP vs 460 HP), boot space and price (38,800 £ vs 31,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or Tesla Model 3?

Mercedes GLA vs Tesla Model 3: Key differences

Mercedes GLA

4.5 (4 Reviews)
rate
  • a bit lighter
details

Tesla Model 3

4.3 (7 Reviews)
rate
  • markedly cheaper
  • very slightly more power
  • significantly more electric range
  • noticeably quicker 0–100 km/h
  • clearly more trunk space
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

GLA

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Tesla Model 3 is markedly cheaper – starting at 31,700 £ , while the Mercedes GLA costs 38,800 £ . That’s a price difference of around 7,131 £.

As for electric range, the Tesla Model 3 offers significantly more range – reaching up to 750 km, about 676 km more than the Mercedes GLA.

Model 3

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 Tesla Model 3 offers very slightly more power – delivering 460 HP compared to 421 HP. That’s roughly 39 HP more horsepower.

When accelerating from 0 to 100 km/h, the Tesla Model 3 is noticeably quicker – completing the sprint in 3.1 s, while the Mercedes GLA takes 4.3 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the Tesla Model 3 delivers markedly more torque with 660 Nm compared to 500 Nm. That’s about 160 Nm more.

GLA

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 GLA is a bit lighter – 1,570 kg compared to 1,822 kg. The difference is around 252 kg.

Looking at boot space, the Tesla Model 3 offers clearly more boot space – 594 L compared to 435 L. That’s a difference of about 159 L.

When it comes to payload, the Mercedes GLA carries noticeably more – 500 kg compared to 333 kg. That’s a difference of about 167 kg.

Who wins the race in the data check?

The Tesla Model 3 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 £31,700
Model 3

Tesla Model 3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 283 - 460 HP
  • Consumption kWh/100km 13 - 16.5 kWh/100km
  • Electric Range 534 - 750 km
details

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View detailed analysis

Engine and Performance
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View detailed analysis

Mercedes GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

details
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Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
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Safety
Practicality / Trunk & Everyday Use
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Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
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Tesla Model 3

The Tesla Model 3 is a compact electric sedan that pairs brisk, responsive driving with a sleek, minimalist cabin and intuitive, software-led features. It makes a practical, modern choice for daily commutes and long-term ownership while emphasizing simplicity and advanced driver assistance.

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Reviews Tesla Model 3

4.3 (7 Reviews)
rate
Trex
13 May 2026, 14:34:19

Excellent traction, relatively low energy consumption, driver-assist systems that are in a class of their own. On top of that, a very responsive steering system.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
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dino999
18 Nov 2025, 08:47:05

I wanted to give 0 stars but you can't — unfortunately, it sucks.

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Mercedes GLA
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Costs and Consumption
Price
38,800 - 75,300 £
Price
31,700 - 50,100 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
13 - 16.5 kWh/100km
Electric Range
74 km
Electric Range
534 - 750 km
Battery Capacity
-
Battery Capacity
-
co2
66 - 216 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,570 - 1,810 kg
Curb weight
1,822 - 1,929 kg
Trunk capacity
385 - 435 L
Trunk capacity
594 L
Length
-
Length
-
Width
1,834 - 1,849 mm
Width
1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 500 kg
Payload
302 - 333 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
116 - 421 HP
Power HP
283 - 460 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
3.1 - 6.2 s
Max Speed
-
Max Speed
-
Torque
230 - 500 Nm
Torque
420 - 660 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 310 kW
Power kW
208 - 338 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Tesla
Is the Mercedes GLA offered with different drivetrains?

The Mercedes GLA is available as Front-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.