Audi RS7 vs Mercedes-Benz C-Class
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.
Audi RS7
$248,500 when new
RRP when new — this model is no longer sold new in Australia
Liftback
Petrol
Petrol
463kW
11.6 L/100km
ANCAP: no data
535L
Mercedes-Benz C-Class
From $76,900
Sedan
Petrol
Petrol
150kW
6.9 L/100km
5★ ANCAP
455L
Track the Audi RS7 & Mercedes-Benz C-Class
Get price-drop alerts on these models plus our free weekly new-car rundown. Unsubscribe anytime.
Price Breakdown
The Audi RS7 starts from $248,500 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 $171,600.
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 $273,350 and $84,590 respectively.
Over 5 years, the running costs favour the Mercedes-Benz C-Class by roughly $6,695 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
The Audi RS7 features a 10.1-inch touchscreen paired with a 12.3-inch digital dash, while the Mercedes-Benz C-Class gets a 11.9-inch display and 12.3-inch instruments.
The Mercedes-Benz C-Class counters with wireless Apple CarPlay/Android Auto, head-up display, wireless charging, panoramic roof and ambient lighting. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Audi RS7 gets leather upholstery while the Mercedes-Benz C-Class offers synthetic leather. Climate control is 3-zone in the Audi RS7 and 2-zone in the Mercedes-Benz C-Class.
Drivetrain
The Audi RS7 uses a Petrol producing 463kW and 850Nm of torque, sent through a 8-speed tiptronic to a AWD layout. It covers the 0-100km/h sprint in 3.4 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 Audi RS7 has the clear power advantage at 463kW vs 150kW. In the 0-100 sprint (manufacturer-claimed), the Audi RS7 is 3.9s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Audi RS7 measures 5,009mm long on a 2,929mm wheelbase, 258mm longer than the Mercedes-Benz C-Class at 4,751mm (2,865mm wheelbase). The longer wheelbase on the Audi RS7 generally means more rear legroom.
Boot space is 535L in the Audi RS7 and 455L in the Mercedes-Benz C-Class, giving the Audi RS7 a 80L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.1m to 12.2m
Based on 12.2m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.1m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 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.
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 $3,306/year for the Audi RS7 and $1,967/year for the Mercedes-Benz C-Class. That is a $1,339 annual difference in favour of the Mercedes-Benz C-Class.
Warranty: 5 years (Audi RS7) vs 5 years / 999,999km (Mercedes-Benz C-Class). Both match on warranty length.
Who Should Buy Which?
Buy the Audi RS7 if: You prioritise performance, need more boot space, or prefer Audi's approach to design and ownership experience.
Buy the Mercedes-Benz C-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 Audi RS7 takes 3 of 5 key spec categories. The Mercedes-Benz C-Class will save you roughly $1,339 a year in fuel. If boot space matters, the Audi RS7 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, Audi RS7 and Mercedes-Benz C-Class?
The Mercedes-Benz C-Class is the cheapest at $76,900 before on-road costs. That undercuts the Audi RS7 by $171,600.
Which is the most fuel-efficient?
The Mercedes-Benz C-Class uses the least fuel at 6.9L/100km on the combined cycle.
What are the ANCAP safety ratings?
Mercedes-Benz C-Class holds a 5-star ANCAP rating. We have no published ANCAP rating for Audi RS7, so there is nothing to compare on crash performance. Compare the active-safety features above instead.
Which has the most boot space?
The Audi RS7 has the largest boot at 535L.
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 Audi RS7 makes the most power at 463kW. The Audi RS7 is quickest to 100km/h in 3.4s.
Stay across the market
Get our weekly new-car rundown of launches, price moves, deals and reviews, straight from the data.
- Weekly new-car rundown
- Price cuts and new deals
- New launches and reviews
No spam, unsubscribe anytime. By subscribing you agree to receive marketing emails.
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
Comments (0)
Sign in to join the conversation
No comments yet. Be the first!
