Mercedes-Benz CL-Class vs Porsche 911
A detailed look at how two of Australia's most popular Coupes compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
Data checked: specs 15 Oct 2026
Driver assistance, as the maker lists it
Swipe across. Tap a feature to see what it does and each car's source.
StandardOptional: printed price, +pack or NCO (no-cost)No, not offeredNo dataCounts beside each car use the same colours; ? is no option data.
From each manufacturer's Australian equipment list. No data means that car's document does not say. The drawings are our own illustrations of how each kind of system works.
Mercedes-Benz CL-Class: we're still completing price, length, width, height and wheelbase, plus 10 others.
Porsche 911: we're still completing price, kerb weight, warranty and braked towing.
Blank cells below mean we don't have that figure, not that the car scores badly on it. We leave them empty rather than estimate, so any row where one car is blank isn't a like-for-like comparison yet.
No price
- no option data for this car
No price
- no option data for this car
Printed option prices only. A pack is counted once and makes the figure a floor when it carries no printed price. Nothing is inferred from the other car.
Track the Mercedes-Benz CL-Class & Porsche 911
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Price Breakdown
Pricing for one or both models is yet to be confirmed for the Australian market. We will update this comparison when official RRPs are announced.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Recalls on our record
Mercedes-Benz CL-Class
None open on our record
Porsche 911
- REC-006314 · published 18 Mar 2025Due to a manufacturing defect, the rear seat belt buckles may have been incorrectly anchored.Year range on the notice: 2023
- REC-005837 · published 28 Nov 2023Due to an incorrect software configuration, the side airbags installed in the seats may unnecessarily deploy in the event of an accident.Year range on the notice: 2021 - 2023
- REC-005566 · published 21 Nov 2022Due to a production error, the seat frame’s mounting bolts for both front seat belts may not have been tightened according to specifications and could become loose.Year range on the notice: 2021 - 2022
- 6 more on the model page.
A recall covers the builds its notice lists, not every car of a model. Check your VIN at vehiclerecalls.gov.au.
Feature Showdown
Both come with modern infotainment systems.
The Mercedes-Benz CL-Class stands out with ventilated seats — features our data doesn't list for the Porsche 911. The Porsche 911 counters with wireless charging. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
Detailed powertrain specifications are not yet available for both models.
Space & Comfort
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.9m diameter
Good
Based on 10.9m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Interactive simulator: U-turns, parking & towing
Turning Circle
Kerb-to-kerb diameter. Smaller turns are easier in tight carparks and U-turns.
Good
Needs a 3-point turn (one reverse)
Needs about 9.6 m to swing round without stopping. Road is 9.0 m.
U-turn on a wide street
≥ 10 m: clears in one
U-turn on a standard street
7 m: 3-point turn
Standard parking bay
1.9 m wide: fits with room
Tight carpark aisle
6 m: swings in
Narrow laneway
3.5 m: no room to turn
Turning circle ratings
Standard widths: AU local streets carry ~5.5–7 m of carriageway; main roads ~9–12 m. AS 2890.1 carpark aisles are ~5.8–6.6 m for 90° bays (2.6 m wide × 5.4 m deep).
Road, aisle, swing and off-tracking figures are indicative estimates from the published turning circle. Verify in person before relying on them.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $3,021/year for the Mercedes-Benz CL-Class and $3,278/year for the Porsche 911. That is a $257 annual difference in favour of the Mercedes-Benz CL-Class.
Who Should Buy Which?
Buy the Mercedes-Benz CL-Class if: You want lower running costs, or prefer Mercedes-Benz's approach to design and ownership experience.
Buy the Porsche 911 if: You or prefer Porsche's approach to design and ownership experience.
The Verdict
Mercedes-Benz CL-Class: Top CarSorted Score, 53 vs 51
The Mercedes-Benz CL-Class comes out ahead on the CarSorted Score (53 vs 51), taking 1 of 1 key spec rows below. The deciding gaps: performance (Porsche 911 ahead by 50), practicality (Mercedes-Benz CL-Class ahead by 10), safety (Mercedes-Benz CL-Class ahead by 8). The Mercedes-Benz CL-Class will save you roughly $257 a year in fuel. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is the most fuel-efficient?
The Mercedes-Benz CL-Class uses the least fuel at 10.6L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Mercedes-Benz CL-Class and Porsche 911 carry a published ANCAP rating yet, so there is no crash result to compare. Check back as they are tested.
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Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Auto-generated from CarSorted's specification data · 20 April 2026
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