Mercedes-Benz C-Class vs Kia Sorento
A detailed look at how two of Australia's most popular cars 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.
Price Breakdown
The Mercedes-Benz C-Class starts from $76,900 before on-road costs, while the Kia Sorento opens at $36,490. That makes the Kia Sorento the more affordable entry point by $40,410.
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 $84,590 and $40,139 respectively.
Over 5 years, the running costs are nearly identical since both have similar efficiency.
Safety Rundown
Both the Mercedes-Benz C-Class and Kia Sorento hold a 5-star ANCAP safety rating. Adult occupant protection scored 91% for the Mercedes-Benz C-Class and 82% for the Kia Sorento.
Where the two diverge is in active safety technology. Both models are evenly matched with 6 out of 10 key ADAS systems.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 9 in the Mercedes-Benz C-Class and 7 in the Kia Sorento.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The Mercedes-Benz C-Class stands out with head-up display, wireless charging, panoramic roof and ambient lighting that you will not find on the Kia Sorento. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Mercedes-Benz C-Class uses a Petrol producing 150kW and 300Nm of torque, sent through a automatic to a RWD layout. It covers the 0-100km/h sprint in 7.8 seconds.
The Kia Sorento responds with a Petrol making 200kW and 332Nm, paired to a automatic driving the front wheels. It gets to 100km/h in 8 seconds.
The Kia Sorento has the clear power advantage at 200kW vs 150kW. In the real-world sprint, the Mercedes-Benz C-Class is 0.2s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Mercedes-Benz C-Class measures 4,751mm long on a 2,865mm wheelbase, 64mm shorter than the Kia Sorento at 4,815mm (2,815mm wheelbase). The longer wheelbase on the Mercedes-Benz C-Class generally means more rear legroom.
Boot space is 455L in the Mercedes-Benz C-Class and 179L in the Kia Sorento, giving the Mercedes-Benz C-Class a 276L advantage. The Kia Sorento seats 7 vs 5.
For towing, the Kia Sorento leads with a 2,000kg braked capacity vs 1,800kg. That 200kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.1m to 11.2m
Based on 11.1m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.2m 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 $1,995/year for the Mercedes-Benz C-Class and $1,938/year for the Kia Sorento. That is a $57 annual difference in favour of the Kia Sorento.
Estimated annual total: $1,995 (Mercedes-Benz C-Class) vs $1,938 (Kia Sorento). The Kia Sorento saves you roughly $57 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Mercedes-Benz C-Class) vs 7 years / 999,999km (Kia Sorento). The Kia Sorento has longer coverage.
Who Should Buy Which?
Buy the Mercedes-Benz C-Class if: You need more boot space, or prefer Mercedes-Benz's approach to design and ownership experience.
Buy the Kia Sorento if: You want the lower entry price, prioritise performance, want lower running costs, value a longer warranty, need stronger towing, or prefer Kia's approach to design and ownership experience.
The Verdict
The Kia Sorento takes 5 of 7 key spec categories and comes in at a lower price. The Kia Sorento will save you roughly $57 a year in fuel. If boot space matters, the Mercedes-Benz C-Class has a clear edge. The Kia Sorento 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, Mercedes-Benz C-Class and Kia Sorento?
The Kia Sorento is the cheapest at $36,490 before on-road costs. That undercuts the Mercedes-Benz C-Class by $40,410.
Which is the most fuel-efficient?
The Kia Sorento uses the least fuel at 6.8L/100km on the combined cycle.
Which is safest?
They are evenly matched — Mercedes-Benz C-Class and Kia Sorento all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Mercedes-Benz C-Class has the largest boot at 455L.
Which can tow the most?
The Kia Sorento has the highest braked towing capacity at 2,000kg.
Which has the best warranty?
The Kia Sorento has the longest warranty at 7 years / 1000k km.
Which is the most powerful?
The Kia Sorento makes the most power at 200kW. The Mercedes-Benz C-Class is quickest to 100km/h in 7.8s.
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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