Bentley Continental GTC vs Mercedes-Benz SL-Class
A detailed look at how two of Australia's most popular Convertibles 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.
Bentley Continental GTC
Price TBC
Convertible
Twin-turbo petrol PHEV
575kW
4.8 kWh/100km
ANCAP: no data
235L
Mercedes-Benz SL-Class
From $239,900
Convertible
Petrol
220kW
9 L/100km
5★ ANCAP
213L
Price Breakdown
Pricing for one or both models is yet to be confirmed for the Australian market. We will update this comparison when official RRPs are announced.
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 Bentley Continental GTC features a 14.9-inch touchscreen, while the Mercedes-Benz SL-Class gets a 11.9-inch display. Apple CarPlay and Android Auto are standard across both.
The Bentley Continental GTC stands out with Apple CarPlay, ventilated seats, power tailgate and Bowers & Wilkins audio that you will not find on the Mercedes-Benz SL-Class. The Mercedes-Benz SL-Class counters with wireless Apple CarPlay/Android Auto and Burmester audio. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Bentley Continental GTC uses a Twin-turbo petrol PHEV producing 575kW and 1000Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 3.3 seconds.
The Mercedes-Benz SL-Class responds with a Petrol making 220kW and 400Nm, paired to a automatic driving the rear wheels. It gets to 100km/h in 5.1 seconds.
The Bentley Continental GTC has the clear power advantage at 575kW vs 220kW. In the real-world sprint, the Bentley Continental GTC is 1.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Bentley Continental GTC measures 4,895mm long on a 2,851mm wheelbase, 190mm longer than the Mercedes-Benz SL-Class at 4,705mm (2,700mm wheelbase). The longer wheelbase on the Bentley Continental GTC generally means more rear legroom.
Boot space is 235L in the Bentley Continental GTC and 213L in the Mercedes-Benz SL-Class, giving the Bentley Continental GTC a 22L advantage. The Bentley Continental GTC seats 4 vs 2.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.6m to 13.1m
Based on 13.1m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.6m 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 $230/year for the Bentley Continental GTC and $2,565/year for the Mercedes-Benz SL-Class. That is a $2,335 annual difference in favour of the Bentley Continental GTC.
Estimated annual total: $230 (Bentley Continental GTC) vs $2,565 (Mercedes-Benz SL-Class). The Bentley Continental GTC saves you roughly $2,335 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 3 years (Bentley Continental GTC) vs 5 years / 999,999km (Mercedes-Benz SL-Class). The Mercedes-Benz SL-Class has longer coverage.
Who Should Buy Which?
Buy the Bentley Continental GTC if: You prioritise performance, need more boot space, want lower running costs, or prefer Bentley's approach to design and ownership experience.
Buy the Mercedes-Benz SL-Class if: You value a longer warranty, or prefer Mercedes-Benz's approach to design and ownership experience.
The Verdict
The Bentley Continental GTC takes 4 of 5 key spec categories. The Bentley Continental GTC will save you roughly $2,335 a year in fuel. The Mercedes-Benz SL-Class adds peace of mind with a longer 5-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Bentley Continental GTC and Mercedes-Benz SL-Class?
The Mercedes-Benz SL-Class is the cheapest at $239,900 before on-road costs.
Which is the most fuel-efficient?
The Bentley Continental GTC uses the least fuel at 4.8L/100km on the combined cycle.
Which is safest?
They are evenly matched — Mercedes-Benz SL-Class all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Bentley Continental GTC has the largest boot at 235L.
Which has the best warranty?
The Mercedes-Benz SL-Class has the longest warranty at 5 years / 1000k km.
Which is the most powerful?
The Bentley Continental GTC makes the most power at 575kW. The Bentley Continental GTC is quickest to 100km/h in 3.3s.
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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