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HomeComparisonsGenesis G80 vs Mercedes-Benz C-Class
Spec Battle Updated 20 April 2026 5 min read

Genesis G80 vs Mercedes-Benz C-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.

SpecGenesisMercedes-Benz
Price (RRP)$104,200$76,900
Fuel typePetrolPetrol
Power224kW150kW
0-100 km/h6s7.3s
Fuel Economy9 L/100km6.9 L/100km
Boot Space424L455L
Towing1,800kg
Warranty5yr / Unlimited5yr / Unlimited
ANCAP Safety5 Stars5 Stars

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Price Breakdown

The Genesis G80 starts from $104,200 before on-road costs, while the Mercedes-Benz C-Class opens at $76,900. That makes the Mercedes-Benz C-Class the more affordable entry point by $27,300.

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 $114,620 and $84,590 respectively.

Over 5 years, the running costs favour the Mercedes-Benz C-Class by roughly $2,990 in fuel alone.

Safety Rundown

Both the Genesis G80 and Mercedes-Benz C-Class hold a 5-star ANCAP safety rating.

Where the two diverge is in active safety technology. The Genesis G80 packs more ADAS features with 8 out of 10 key systems fitted, compared to 6 in the Mercedes-Benz C-Class.

Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. The Genesis G80 adds a 360-degree camera that the Mercedes-Benz C-Class misses.

Feature Showdown

Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.

The Genesis G80 stands out with Apple CarPlay, heated front seats, ventilated seats and power tailgate that you will not find on the Mercedes-Benz C-Class. The Mercedes-Benz C-Class counters with wireless Apple CarPlay/Android Auto. Which feature set matters more depends on your daily routine and priorities.

Drivetrain

The Genesis G80 uses a 2.5L turbo four-cylinder (T-GDi) producing 224kW and 422Nm of torque, sent through a 8-speed automatic to a RWD layout. It covers the 0-100km/h sprint in 6 seconds.

The Mercedes-Benz C-Class responds with a Petrol making 150kW and 300Nm, paired to a automatic driving the rear wheels. It gets to 100km/h in 7.3 seconds.

The Genesis G80 has the clear power advantage at 224kW vs 150kW. In the real-world sprint, the Genesis G80 is 1.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

Space & Comfort

The Genesis G80 measures 5,005mm long on a 3,010mm wheelbase, 254mm longer than the Mercedes-Benz C-Class at 4,751mm (2,865mm wheelbase). The longer wheelbase on the Genesis G80 generally means more rear legroom.

Boot space is 424L in the Genesis G80 and 455L in the Mercedes-Benz C-Class, giving the Mercedes-Benz C-Class a 31L advantage.

Turning Circle

Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.

11.1m to 11.6m

TightestMercedes-Benz C-Class C200Tightest turn at 11.1m, easiest U-turns and carparks
Mercedes-Benz C-Class C200
11.1mTighter
Best
Genesis G80 2.5T Signature
11.6m
Worst
Genesis G80 2.5T Signature
11.6m · Average

Based on 11.6m turning circle:

  • U-turn on standard street (7m+ wide)
  • Standard parking bay
  • Tight carparks
  • Narrow laneways
Mercedes-Benz C-Class C200
11.1m · Average

Based on 11.1m turning circle:

  • U-turn on standard street (7m+ wide)
  • Standard parking bay
  • Tight carparks
  • Narrow laneways

Turning circle ratings

Under 10m, Excellent
10 to 11m, Good
11 to 12m, Average
Over 12m, Large
Compare U-turns side by side

Turning Circle · U-turn compare

kerb-to-kerb, 2 cars
Tap to add/remove
TightestMercedes-Benz C-ClassTightest turn at 11.1m, needs the least road to swing around
Genesis G8011.6 m
Average△ 3-point
Mercedes-Benz C-ClassTightest11.1 m
Average△ 3-point
Scrub the turn

0 of 2 clear a 7.0 m street in one sweep

Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.

Under 10 m · Excellent 10–11 m · Good 11–12 m · Average Over 12 m · Large

Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.

True Cost to Own

Based on 15,000km of annual driving, fuel costs roughly $2,565/year for the Genesis G80 and $1,967/year for the Mercedes-Benz C-Class. That is a $598 annual difference in favour of the Mercedes-Benz C-Class.

Estimated annual total: $2,565 (Genesis G80) vs $1,967 (Mercedes-Benz C-Class). The Mercedes-Benz C-Class saves you roughly $598 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 5 years (Genesis G80) vs 5 years / 999,999km (Mercedes-Benz C-Class). Both match on warranty length.

Who Should Buy Which?

Buy the Genesis G80 if: You prioritise performance, or prefer Genesis's approach to design and ownership experience.

Buy the Mercedes-Benz C-Class if: You want the lower entry price, need more boot space, want lower running costs, or prefer Mercedes-Benz's approach to design and ownership experience.

The Verdict

The Mercedes-Benz C-Class takes 3 of 5 key spec categories and comes in at a lower price. The Mercedes-Benz C-Class will save you roughly $598 a year in fuel. If boot space matters, the Mercedes-Benz C-Class 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, Genesis G80 and Mercedes-Benz C-Class?

The Mercedes-Benz C-Class is the cheapest at $76,900 before on-road costs. That undercuts the Genesis G80 by $27,300.

Which is the most fuel-efficient?

The Mercedes-Benz C-Class uses the least fuel at 6.9L/100km on the combined cycle.

Which is safest?

They are evenly matched — Genesis G80 and Mercedes-Benz C-Class 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 Mercedes-Benz C-Class has the highest braked towing capacity at 1,800kg.

Which is the most powerful?

The Genesis G80 makes the most power at 224kW. The Genesis G80 is quickest to 100km/h in 6s.

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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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