Mercedes-Benz C-Class vs Audi A5

The Mercedes-Benz C-Class starts from $76,900 before on-road costs, while the Audi A5 opens at $79,900. That makes the Mercedes-Benz C-Class the more affordable entry point by $3,000.

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 $84,590 and $87,890 respectively.

Both the Mercedes-Benz C-Class and Audi A5 hold a 5-star ANCAP safety rating. Adult occupant protection scored 91% for the Mercedes-Benz C-Class and 87% for the Audi A5.

Where the two diverge is in active safety technology. We can confirm 8 of 10 key ADAS systems on the Audi A5, against 6 on the Mercedes-Benz C-Class.

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 Audi A5.

A recall covers the builds its notice lists, not every car of a model. Check your VIN at vehiclerecalls.gov.au.

The Mercedes-Benz C-Class features a 11.9-inch touchscreen paired with a 12.3-inch digital dash, while the Audi A5 gets a 14.5-inch display and 11.9-inch instruments. Apple CarPlay and Android Auto are standard across both.

The Mercedes-Benz C-Class stands out with wireless charging and panoramic roof — features our data doesn't list for the Audi A5. The Audi A5 counters with heated front seats, ventilated seats, power tailgate and Bang & Olufsen audio. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Mercedes-Benz C-Class gets synthetic leather upholstery while the Audi A5 offers leather. Climate control is 2-zone in the Mercedes-Benz C-Class and 3-zone in the Audi A5.

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 7.3 seconds.

The Audi A5 responds with a 4-cylinder petrol with direct fuel injection, turbocharging making 150kW and 340Nm, paired to a 7-speed s tronic driving the front wheels. It gets to 100km/h in 7.8 seconds.

Power output is identical on paper, so the difference comes down to tuning, weight distribution, and suspension. In the 0-100 sprint (manufacturer-claimed), the Mercedes-Benz C-Class is 0.5s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

The Mercedes-Benz C-Class measures 4,751mm long on a 2,865mm wheelbase, 78mm shorter than the Audi A5 at 4,829mm (2,892mm wheelbase). The longer wheelbase on the Audi A5 generally means more rear legroom.

Boot space is 455L in the Mercedes-Benz C-Class and 445L in the Audi A5, giving the Mercedes-Benz C-Class a 10L advantage.

For towing, the Audi A5 leads with a 1,800kg braked capacity vs 1,800kg. That 0kg difference matters if you regularly hitch up.

Based on 15,000km of annual driving, fuel costs roughly $1,967/year for the Mercedes-Benz C-Class and $1,967/year for the Audi A5.

Warranty: 5 years / 999,999km (Mercedes-Benz C-Class) vs 5 years / 999,999km (Audi A5). Both match on warranty length.