Alfa Romeo Giulia vs Mercedes-Benz CLA-Class
A detailed look at how two of Australia's most popular Sedans 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.
Alfa Romeo Giulia
From $76,450
Sedan
Petrol
Petrol
206kW
6.1 L/100km
ANCAP: no data
480L
Mercedes-Benz CLA-Class
From $66,500
Sedan
Petrol
Petrol
100kW
5.4 L/100km
ANCAP: no data
405L
Track the Alfa Romeo Giulia & Mercedes-Benz CLA-Class
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Price Breakdown
The Alfa Romeo Giulia starts from $76,450 before on-road costs, while the Mercedes-Benz CLA-Class opens at $66,500. That makes the Mercedes-Benz CLA-Class the more affordable entry point by $9,950.
Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $84,095 and $73,150 respectively.
Over 5 years, the running costs favour the Mercedes-Benz CLA-Class by roughly $1,000 in fuel alone.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The Alfa Romeo Giulia stands out with Harman Kardon audio that you will not find on the Mercedes-Benz CLA-Class. The Mercedes-Benz CLA-Class counters with panoramic roof. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Alfa Romeo Giulia uses a Petrol producing 206kW and 400Nm of torque, sent through a automatic to a RWD layout. It covers the 0-100km/h sprint in 5.2 seconds.
The Mercedes-Benz CLA-Class responds with a Petrol making 100kW and 200Nm, paired to a automatic driving the front wheels. It gets to 100km/h in 8.8 seconds.
The Alfa Romeo Giulia has the clear power advantage at 206kW vs 100kW. In the real-world sprint, the Alfa Romeo Giulia is 3.6s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Alfa Romeo Giulia measures 4,643mm long on a 2,820mm wheelbase, 80mm shorter than the Mercedes-Benz CLA-Class at 4,723mm (2,790mm wheelbase). The longer wheelbase on the Alfa Romeo Giulia generally means more rear legroom.
Boot space is 480L in the Alfa Romeo Giulia and 405L in the Mercedes-Benz CLA-Class, giving the Alfa Romeo Giulia a 75L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.6m diameter
Average
Based on 11.6m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $1,739/year for the Alfa Romeo Giulia and $1,539/year for the Mercedes-Benz CLA-Class. That is a $200 annual difference in favour of the Mercedes-Benz CLA-Class.
Estimated annual total: $1,739 (Alfa Romeo Giulia) vs $1,539 (Mercedes-Benz CLA-Class). The Mercedes-Benz CLA-Class saves you roughly $200 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 150,000km (Alfa Romeo Giulia) vs 5 years / 999,999km (Mercedes-Benz CLA-Class). Both match on warranty length.
Who Should Buy Which?
Buy the Alfa Romeo Giulia if: You prioritise performance, need more boot space, or prefer Alfa Romeo's approach to design and ownership experience.
Buy the Mercedes-Benz CLA-Class if: You want the lower entry price, want lower running costs, or prefer Mercedes-Benz's approach to design and ownership experience.
The Verdict
The Alfa Romeo Giulia takes 3 of 5 key spec categories. The Mercedes-Benz CLA-Class will save you roughly $200 a year in fuel. If boot space matters, the Alfa Romeo Giulia has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Alfa Romeo Giulia and Mercedes-Benz CLA-Class?
The Mercedes-Benz CLA-Class is the cheapest at $66,500 before on-road costs. That undercuts the Alfa Romeo Giulia by $9,950.
Which is the most fuel-efficient?
The Mercedes-Benz CLA-Class uses the least fuel at 5.4L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Alfa Romeo Giulia and Mercedes-Benz CLA-Class carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Alfa Romeo Giulia has the largest boot at 480L.
Which can tow the most?
The Alfa Romeo Giulia has the highest braked towing capacity at 1,600kg.
Which is the most powerful?
The Alfa Romeo Giulia makes the most power at 206kW. The Alfa Romeo Giulia is quickest to 100km/h in 5.2s.
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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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