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Mercedes A-Class vs smart #3 - Differences and prices compared

Compare performance (320 HP vs 428 HP), boot space and price (32300 £ vs 34700 £) at a glance. Find out which car is the better choice for you – Mercedes A-Class or smart #3?

Mercedes A-Class

smart #3

5 (1 Reviews)
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Here’s where it gets real: The technical differences in detail

A-Class @ Mercedes-Benz Group Media

Costs and Efficiency:

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

Mercedes A-Class has a minimal advantage in terms of price – it starts at 32300 £, while the smart #3 costs 34700 £. That’s a price difference of around 2443 £.

As for range, the smart #3 performs decisively better – achieving up to 455 km, about 370 km more than the Mercedes A-Class.

#3 @ smart Europe GmbH

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the smart #3 has a noticeable edge – offering 428 HP compared to 320 HP. That’s roughly 108 HP more horsepower.

In acceleration from 0 to 100 km/h, the smart #3 is distinct quicker – completing the sprint in 3.70 s, while the Mercedes A-Class takes 4.70 s. That’s about 1 s faster.

In terms of top speed, the Mercedes A-Class performs distinct better – reaching 250 km/h, while the smart #3 tops out at 180 km/h. The difference is around 70 km/h.

There’s also a difference in torque: smart #3 pulls noticeable stronger with 584 Nm compared to 450 Nm. That’s about 134 Nm difference.

A-Class @ Mercedes-Benz Group Media

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: offers more seating capacity – vs .

In curb weight, Mercedes A-Class is noticeable lighter – 1440 kg compared to 1780 kg. The difference is around 340 kg.

In terms of boot space, the smart #3 offers hardly perceptible more room – 370 L compared to 350 L. That’s a difference of about 20 L.

In maximum load capacity, the Mercedes A-Class performs barely noticeable better – up to 1190 L, which is about 30 L more than the smart #3.

When it comes to payload, Mercedes A-Class barely noticeable takes the win – 485 kg compared to 450 kg. That’s a difference of about 35 kg.

Who comes out on top?

Overall, the smart #3 shows itself to be wins the duel decisively and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £34,700
#3 @ smart Europe GmbH

smart #3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 428 HP
  • Consumption kWh/100km : 16.3 - 17.6 kWh
  • Electric Range : 325 - 455 km
details
Mercedes A-Class
smart #3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes A-Class

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

details
18C0292_008 @ Mercedes-Benz Group Media
18C0292_010 @ Mercedes-Benz Group Media
18C0292_042 @ Mercedes-Benz Group Media
18C0291_067 @ Mercedes-Benz Group Media
18C0122_04 @ Mercedes-Benz Group Media

smart #3

5 (1 Reviews)
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The Smart #3 turns the brand's cheeky city-car attitude into a grown-up compact SUV, pairing sleek styling with a surprisingly roomy, well-made interior. It's a brilliant pick for buyers who want electric ease without dullness — practical enough for daily life, but still lively enough to make parking and grocery runs feel a little fun.

details
smart-hashtag3-brabus-photon-orange-exterior-mallorca1 @ smart Europe GmbH
smart-hashtag3-brabus-photon-orange-exterior-mallorca13 @ smart Europe GmbH
smart-hashtag3-brabus-photon-orange-exterior-mallorca21 @ smart Europe GmbH
smart-hashtag3-brabus-photon-orange-interior-mallorca10 @ smart Europe GmbH
smart-hashtag3-brabus-photon-orange-interior-mallorca3 @ smart Europe GmbH
smart-hashtag3-premium-ceramic-cream-interior-mallorca7 @ smart Europe GmbH

Reviews Mercedes A-Class

Reviews smart #3

5 (1 Reviews)
rate

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A-Class @ Mercedes-Benz Group Media
#3 @ smart Europe GmbH

Costs and Consumption
Price
32300 - 55600 £
Price
34700 - 45800 £
Consumption L/100km
2.3 - 8.3 L
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.3 - 17.6 kWh
Electric Range
85 km
Electric Range
325 - 455 km
Battery Capacity
12.90 kWh
Battery Capacity
47 - 62 kWh
co2
53 - 188 g/km
co2
0 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1440 - 1695 kg
Curb weight
1780 - 1910 kg
Trunk capacity
310 - 350 L
Trunk capacity
370 L
Length
4428 - 4447 mm
Length
4400 mm
Width
1796 mm
Width
1844 mm
Height
1407 - 1423 mm
Height
1556 mm
Max trunk capacity
1125 - 1190 L
Max trunk capacity
1160 L
Payload
475 - 485 kg
Payload
419 - 450 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
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
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 320 HP
Power HP
272 - 428 HP
Acceleration 0-100km/h
4.7 - 9.7 s
Acceleration 0-100km/h
3.7 - 5.8 s
Max Speed
202 - 250 km/h
Max Speed
180 km/h
Torque
200 - 450 Nm
Torque
343 - 584 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 235 kW
Power kW
200 - 315 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
-

General
Model Year
2024 - 2025
Model Year
2023 - 2025
CO2 Efficiency Class
B, D, E, G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
smart

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Is the Mercedes A-Class offered with different drivetrains?

Available configurations include Front-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.