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Audi Q5 vs Mercedes SL Class - Differences and prices compared
Compare performance (367 HP vs 816 HP), boot space and price (44800 £ vs 112700 £ ) at a glance. Find out which car is the better choice for you – Audi Q5 or Mercedes SL Class?
Q5
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 Q5 has a clearly advantage in terms of price – it starts at 44800 £ , while the Mercedes SL Class costs 112700 £ . That’s a price difference of around 67876 £.
Fuel consumption also shows a difference: Audi Q5 manages with 2.50 L and is therefore significantly more efficient than the Mercedes SL Class with 9 L. The difference is about 6.50 L per 100 km.
As for electric range, the Audi Q5 performs convincingly better – achieving up to 100 km, about 88 km more than the Mercedes SL Class.
SL Class
Engine and Performance:
Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.
When it comes to engine power, the Mercedes SL Class has a significantly edge – offering 816 HP compared to 367 HP. That’s roughly 449 HP more horsepower.
In acceleration from 0 to 100 km/h, the Mercedes SL Class is significantly quicker – completing the sprint in 2.90 s, while the Audi Q5 takes 4.50 s. That’s about 1.60 s faster.
In terms of top speed, the Mercedes SL Class performs clearly perceptible better – reaching 317 km/h, while the Audi Q5 tops out at 250 km/h. The difference is around 67 km/h.
There’s also a difference in torque: Mercedes SL Class pulls convincingly stronger with 1420 Nm compared to 550 Nm. That’s about 870 Nm difference.
Q5
Space and Everyday Use:
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Seats: Audi Q5 offers a bit more seating capacity – 5 vs 4.
In curb weight, Mercedes SL Class is hardly perceptible lighter – 1810 kg compared to 1910 kg. The difference is around 100 kg.
In terms of boot space, the Audi Q5 offers convincingly more room – 520 L compared to 240 L. That’s a difference of about 280 L.
When it comes to payload, Audi Q5 noticeable takes the win – 565 kg compared to 375 kg. That’s a difference of about 190 kg.
Who wins the race in the data check?
The Audi Q5 is clearly superior 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.
Audi Q5
Mercedes SL Class
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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from about £44,800
Audi Q5
Audi Q5
4.3 (4 Reviews)
The Audi Q5 feels like the sensible luxury choice — polished cabin materials, a calm ride and enough tech to keep commuters and weekend adventurers equally pleased. It won't shout for attention but will quietly check the boxes for buyers who want refinement, space and everyday usability with a dash of Audi charisma.
details
Mercedes SL Class
The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.
details
Audi Q5
Mercedes SL Class
Costs and Consumption |
|
|---|---|
|
Price
44800 - 78900 £
|
Price
112700 - 219300 £
|
|
Consumption L/100km
2.5 - 8.3 L
|
Consumption L/100km
9 - 13.6 L
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
92 - 100 km
|
Electric Range
12 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
56 - 189 g/km
|
co2
206 - 309 g/km
|
|
Fuel tank capacity
65 L
|
Fuel tank capacity
70 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
Roadster
|
|
Seats
5
|
Seats
4
|
|
Doors
5
|
Doors
2
|
|
Curb weight
1910 - 2245 kg
|
Curb weight
1810 - 2195 kg
|
|
Trunk capacity
433 - 520 L
|
Trunk capacity
110 - 240 L
|
|
Length
4717 mm
|
Length
4697 - 4705 mm
|
|
Width
1900 mm
|
Width
1915 mm
|
|
Height
1647 - 1656 mm
|
Height
1354 - 1359 mm
|
|
Max trunk capacity
1388 - 1473 L
|
Max trunk capacity
-
|
|
Payload
490 - 565 kg
|
Payload
145 - 375 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel MHEV
|
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Dual-Clutch Automatic
|
Transmission Detail
Automatic Gearbox
|
|
Drive Type
All-Wheel Drive, Front-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
204 - 367 HP
|
Power HP
381 - 816 HP
|
|
Acceleration 0-100km/h
4.5 - 8.6 s
|
Acceleration 0-100km/h
2.9 - 4.9 s
|
|
Max Speed
226 - 250 km/h
|
Max Speed
260 - 317 km/h
|
|
Torque
340 - 550 Nm
|
Torque
480 - 1420 Nm
|
|
Number of Cylinders
4 - 6
|
Number of Cylinders
4 - 8
|
|
Power kW
150 - 270 kW
|
Power kW
280 - 600 kW
|
|
Engine capacity
1968 - 2995 cm3
|
Engine capacity
1991 - 3982 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2025
|
|
CO2 Efficiency Class
B, E, F, G
|
CO2 Efficiency Class
G
|
|
Brand
Audi
|
Brand
Mercedes-Benz
|
What drivetrain options does the Audi Q5 have?
The Audi Q5 is available as All-Wheel Drive or Front-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.