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Audi Q6 e-tron vs smart #3 comparison

Compare performance (490 HP vs 428 HP), boot space and price (54400 £ vs 34700 £ ) at a glance. Find out which car is the better choice for you – Audi Q6 e-tron or smart #3?

Audi Q6 e-tron vs smart #3: Key differences

Audi Q6 e-tron

4.9 (3 Reviews)
rate
  • a bit more power
  • barely noticeable more efficient
  • clearly perceptible more electric range
  • clearly perceptible more trunk space

smart #3

5 (1 Reviews)
rate
  • clearly cheaper
  • a bit quicker from 0–100 km/h
  • noticeable lighter

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

Q6 e-tron

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

smart #3 has a clearly advantage in terms of price – it starts at 34700 £ , while the Audi Q6 e-tron costs 54400 £ . That’s a price difference of around 19723 £.

In terms of energy consumption, the advantage goes to the Audi Q6 e-tron: with 15.60 kWh per 100 km, it’s barely noticeable more efficient than the smart #3 with 16.30 kWh. That’s a difference of about 0.70 kWh.

As for electric range, the Audi Q6 e-tron performs clearly perceptible better – achieving up to 656 km, about 201 km more than the smart #3.

#3

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 Audi Q6 e-tron has a a bit edge – offering 490 HP compared to 428 HP. That’s roughly 62 HP more horsepower.

In acceleration from 0 to 100 km/h, the smart #3 is a bit quicker – completing the sprint in 3.70 s, while the Audi Q6 e-tron takes 4.40 s. That’s about 0.70 s faster.

In terms of top speed, the Audi Q6 e-tron performs evident better – reaching 230 km/h, while the smart #3 tops out at 180 km/h. The difference is around 50 km/h.

There’s also a difference in torque: Audi Q6 e-tron pulls distinct stronger with 855 Nm compared to 584 Nm. That’s about 271 Nm difference.

Q6 e-tron

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In curb weight, smart #3 is noticeable lighter – 1780 kg compared to 2200 kg. The difference is around 420 kg.

In terms of boot space, the Audi Q6 e-tron offers clearly perceptible more room – 526 L compared to 370 L. That’s a difference of about 156 L.

In maximum load capacity, the Audi Q6 e-tron performs clearly perceptible better – up to 1529 L, which is about 369 L more than the smart #3.

When it comes to payload, Audi Q6 e-tron to a small extent takes the win – 540 kg compared to 450 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Audi Q6 e-tron is far ahead overall 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.

Frequently compared as well

Audi Q5
Audi Q6 e-tron
VS
The Audi Q5 remains the comfortable, all‑round workhorse — traditional petrol, diesel and mild‑hybrid engines give familiar range, agreeable handling and a practical boot for family life. The Audi Q6 e‑tron, meanwhile, catapults you into Audi’s electric future with sleek looks, a tech‑packed cabin …
Audi Q6 e-tron
BMW iX
VS
The Audi Q6 e-tron feels like a precision-engineered salon on wheels—sleeker, more driver-focused, with crisp handling and an interior that whispers luxury rather than shouts it. The BMW iX is the bigger, bolder statement: cavernous, supremely comfortable and range-minded; pick the Q6 for the …
Audi Q6 e-tron
smart #3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £54,400
Q6 e-tron

Audi Q6 e-tron

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 252 - 490 HP
  • Consumption kWh/100km : 15.6 - 18.4 kWh
  • Electric Range : 529 - 656 km
details

Audi Q6 e-tron

4.9 (3 Reviews)
rate

The Audi Q6 e-tron balances sleek, coupe-like styling with a roomy, upscale interior that feels modern without being showy. It delivers refined electric performance and smart tech that make daily driving effortless — the sort of EV that might make petrolheads grudgingly admit they fancy the future.

details
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smart #3

5 (1 Reviews)
rate

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-hashtag3-brabus-photon-orange-exterior-mallorca13
smart-hashtag3-brabus-photon-orange-exterior-mallorca21
smart-hashtag3-brabus-photon-orange-interior-mallorca10
smart-hashtag3-brabus-photon-orange-interior-mallorca3
smart-hashtag3-premium-ceramic-cream-interior-mallorca7

Reviews Audi Q6 e-tron

4.9 (3 Reviews)
rate
Monika
6 Nov 2025, 16:29:37

A slightly inflated price relative to the equipment included in this car.

Bula
11 Oct 2025, 08:59:08

Comfortable, but feels a bit firmer (over small bumps) than the Q5. You can tell the car has some heft!! The electric power — 388 PS / 285 kW BEV — is incredible. The battery drops pretty quickly if you push the beast a little. The advertised 600 km range is generous on paper; expect more like 500, or even 450 in winter. The onboard technology is surprising and pushed to the extreme. After trying it, it's hard to go back to a non-electric model.

Reviews smart #3

5 (1 Reviews)
rate
Ronny
16 Oct 2025, 13:10:59

Handsome design, packed with advanced driver‑assist technology and stellar performance — all at an attractive price. Highly recommended, this car!

Audi Q6 e-tron
smart #3

Costs and Consumption
Price
54400 - 82500 £
Price
34700 - 45800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.6 - 18.4 kWh
Consumption kWh/100km
16.3 - 17.6 kWh
Electric Range
529 - 656 km
Electric Range
325 - 455 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
47 - 62 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2200 - 2425 kg
Curb weight
1780 - 1910 kg
Trunk capacity
499 - 526 L
Trunk capacity
370 L
Length
4771 mm
Length
4400 mm
Width
1939 - 1965 mm
Width
1844 mm
Height
1665 - 1685 mm
Height
1556 mm
Max trunk capacity
1361 - 1529 L
Max trunk capacity
1160 L
Payload
540 kg
Payload
419 - 450 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
252 - 490 HP
Power HP
272 - 428 HP
Acceleration 0-100km/h
4.4 - 7.6 s
Acceleration 0-100km/h
3.7 - 5.8 s
Max Speed
210 - 230 km/h
Max Speed
180 km/h
Torque
450 - 855 Nm
Torque
343 - 584 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
185 - 360 kW
Power kW
200 - 315 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024 - 2025
Model Year
2023 - 2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
smart

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What drivetrain options does the Audi Q6 e-tron have?

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

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.