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Audi A5 Sportback vs Lexus RX comparison

Compare performance (639 HP vs 371 HP), boot space and price (40,200 £ vs 63,300 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Lexus RX?

Audi A5 Sportback vs Lexus RX: Key differences

Audi A5 Sportback

  • substantially cheaper
  • considerably more power
  • considerably more efficient
  • noticeably more electric range
  • clearly quicker 0–100 km/h
  • moderately lighter
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Lexus RX

5 (1 Reviews)
rate
  • noticeably more trunk space
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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

A5 Sportback

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.

Audi A5 Sportback is substantially cheaper – starting at 40,200 £ , while the Lexus RX costs 63,300 £ . That’s a price difference of around 23,100 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is considerably more efficient than the Lexus RX with 3.3 L/100km. The difference is about 1.3 L/100km.

As for electric range, the Audi A5 Sportback offers noticeably more range – reaching up to 110 km, about 43 km more than the Lexus RX.

RX

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 Audi A5 Sportback offers considerably more power – delivering 639 HP compared to 371 HP. That’s roughly 268 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is clearly quicker – completing the sprint in 3.7 s, while the Lexus RX takes 6.2 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers clearly more torque with 825 Nm compared to 551 Nm. That’s about 274 Nm more.

A5 Sportback

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, Audi A5 Sportback is moderately lighter – 1,770 kg compared to 2,040 kg. The difference is around 270 kg.

Looking at boot space, the Lexus RX offers noticeably more boot space – 461 L compared to 331 L. That’s a difference of about 130 L.

When it comes to payload, the Lexus RX carries moderately more – 620 kg compared to 530 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Audi A5 Sportback 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 £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 639 HP
  • Consumption L/100km : 2 - 7.6 L/100km
  • Electric Range : 84 - 110 km
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Audi A5 Sportback
Lexus RX

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Reviews Audi A5 Sportback

No reviews yet. Share your experience and help others decide.

Lexus RX

The Lexus RX glides through city streets with the kind of hushed refinement that turns mundane commutes into a private lounge. It mixes plush comfort and polished practicality in a package that suits buyers who want to arrive relaxed and a touch smug.

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Reviews Lexus RX

5 (1 Reviews)
rate
Angelo Ponte
16 May 2026, 14:16:35

Tried as a replacement car. The driving pleasure and comfort are unmatched by Alfa.

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Audi A5 Sportback
Lexus RX

Costs and Consumption
Price
40,200 - 91,000 £
Price
63,300 - 87,400 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
3.3 - 8.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
67 km
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 g/km
co2
75 - 183 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
2,040 - 2,185 kg
Trunk capacity
331 L
Trunk capacity
461 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
575 - 620 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Full Hybrid, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox, CVT
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 639 HP
Power HP
207 - 371 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
6.2 - 7.9 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
551 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 470 kW
Power kW
152 - 273 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,393 - 2,487 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
G, E, B
Brand
Audi
Brand
Lexus
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback is available as All-Wheel Drive or Front-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.