Hyundai Sonata 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.
Hyundai Sonata
From $55,500
Sedan
Petrol
Petrol
213kW
8.1 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
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Price Breakdown
The Hyundai Sonata starts from $55,500 before on-road costs, while the Mercedes-Benz CLA-Class opens at $66,500. That makes the Hyundai Sonata the more affordable entry point by $11,000.
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 $61,050 and $73,150 respectively.
Over 5 years, the running costs favour the Mercedes-Benz CLA-Class by roughly $3,850 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 Hyundai Sonata stands out with Apple CarPlay, head-up display, wireless charging, heated front seats, ventilated seats, power tailgate and Bose audio that you will not find on the Mercedes-Benz CLA-Class. The Mercedes-Benz CLA-Class counters with wireless Apple CarPlay/Android Auto. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Hyundai Sonata uses a Petrol producing 213kW and 422Nm of torque, sent through a 8-speed wet dual-clutch (dct) to a FWD layout.
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 Hyundai Sonata has the clear power advantage at 213kW vs 100kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Hyundai Sonata measures 4,910mm long on a 2,840mm wheelbase, 187mm longer than the Mercedes-Benz CLA-Class at 4,723mm (2,790mm wheelbase). The longer wheelbase on the Hyundai Sonata generally means more rear legroom.
Boot space is 480L in the Hyundai Sonata and 405L in the Mercedes-Benz CLA-Class, giving the Hyundai Sonata a 75L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.0m diameter
Good
Based on 11.0m 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 $2,309/year for the Hyundai Sonata and $1,539/year for the Mercedes-Benz CLA-Class. That is a $770 annual difference in favour of the Mercedes-Benz CLA-Class.
Estimated annual total: $2,309 (Hyundai Sonata) vs $1,539 (Mercedes-Benz CLA-Class). The Mercedes-Benz CLA-Class saves you roughly $770 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 7 years / 999,999km (Hyundai Sonata) vs 5 years / 999,999km (Mercedes-Benz CLA-Class). The Hyundai Sonata has longer coverage.
Who Should Buy Which?
Buy the Hyundai Sonata if: You want the lower entry price, prioritise performance, need more boot space, value a longer warranty, or prefer Hyundai's approach to design and ownership experience.
Buy the Mercedes-Benz CLA-Class if: You want lower running costs, or prefer Mercedes-Benz's approach to design and ownership experience.
The Verdict
The Hyundai Sonata takes 4 of 5 key spec categories and comes in at a lower price. The Mercedes-Benz CLA-Class will save you roughly $770 a year in fuel. If boot space matters, the Hyundai Sonata has a clear edge. The Hyundai Sonata adds peace of mind with a longer 7-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Hyundai Sonata and Mercedes-Benz CLA-Class?
The Hyundai Sonata is the cheapest at $55,500 before on-road costs. That undercuts the Mercedes-Benz CLA-Class by $11,000.
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 Hyundai Sonata and Mercedes-Benz CLA-Class carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Hyundai Sonata has the largest boot at 480L.
Which has the best warranty?
The Hyundai Sonata has the longest warranty at 7 years / Unlimited.
Which is the most powerful?
The Hyundai Sonata makes the most power at 213kW.
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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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