Car comparison
Audi SQ8 vs Mercedes-Benz AMG SL55 Roadster
4.0 Petrol Turbo Automatic vs 4MATIC Plus: side-by-side India matchup with full specs and features.
Comparison overview
If you are torn between the SQ8 and AMG SL55 Roadster, start with how much they cost, how they differ on power and efficiency, and which comfort items are trim-specific.
- The AMG SL55 Roadster costs about INR 5.3 million more than the SQ8 (29% on ex-factory prices).
- The SQ8 shows about 31 hp more peak power in the catalogue specs.
- Torque favours the SQ8 by roughly 70 Nm in published figures.
- Boot space is listed as Electric Tailgate Release on the SQ8 and 213 L on the AMG SL55 Roadster.
Which one suits you
Pick the SQ8 if upfront price matters most for city commuting. Choose the SQ8 if you want stronger performance for highways or fully loaded trips.
Quick summary
Price and classification for the selected trims
| Spec |
Audi SQ8
4.0 Petrol Turbo Automatic
|
Mercedes-Benz AMG SL55 Roadster
4MATIC Plus
|
|---|---|---|
| Ex-showroom price | ₹1,81,23,000 | ₹2,33,84,652 |
| Variant | 4.0 Petrol Turbo Automatic | 4MATIC Plus |
| Brand | Audi | Mercedes-Benz |
| Model | SQ8 | AMG SL55 Roadster |
| Body type | SUV | Convertible |
| Powertrain | ICE | ICE |
| Engine / battery | 3996 cc | 3982 cc |
| Transmission | Automatic (TC) | Automatic (TC) |
| Fuel type | Petrol | Petrol |
| Primary specs | 3996 cc · Automatic (TC) · Petrol | 3982 cc · Automatic (TC) · Petrol |
| Price difference Gap ₹52,61,652 · 29% | Lower | Higher |
Full specifications
All published specs for these variants · differences highlighted
| Specification | Audi SQ8 4.0 Petrol Turbo Automatic | Mercedes-Benz AMG SL55 Roadster 4MATIC Plus |
|---|---|---|
| Engine Performance | ||
| Fuel Type | Petrol | Petrol |
| Engine Type | 4.0 TFSI | 4.0-litre twin-turbo V8 |
| Engine | 3996 cc, 8 Cylinders In V Shape | 3982 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC |
| Max Power (bhp@rpm) | 500 bhp @ 5500 rpm | 469 bhp @ 5500 rpm |
| Max Torque (Nm@rpm) | 770 Nm @ 2000-4000 rpm | 700 Nm @ 2000 rpm |
| Turbocharger/ Supercharger | Twin Turbo | Turbocharged |
| Emission Standard | BS6 Phase 2 | BS6 Phase 2 |
| Top Speed | 250 kmph | 295 kmph |
| Acceleration | 0-100 km/h in 4.1 seconds (claimed) | 0-100 km/h in 3.9 seconds (claimed) |
| Mileage | Not specified | 12 Km / L |
| Transmission & Drivetrain | ||
| Transmission | Automatic (TC) - 8 Gears | Automatic (TC) - 9 Gears, Paddle Shift, Sport Mode |
| Drivetrain | AWD | AWD |
| Four-Wheel-Drive | Not specified | Manual Shift - Electronic |
| Suspension | ||
| Advanced Suspension Features | No | Ride Height Adjustment |
| Capacity & Dimensions | ||
| Length *Width *Height | 5005 mm * 2190 mm * 1695 mm | 4705 mm * 1915 mm * 1359 mm |
| Wheelbase | 3,000 mm | 2,692 mm |
| Seating Capacity | 5 Seats and 2 Rows | 4 Seats and 2 Rows |
| Doors | 5 Doors | 2 Doors |
| Kerb Weight | Not specified | 1950 kg |
| Fuel Tank Capacity | Not specified | 70 litres |
| Minimum Turning Radius | Not specified | 6.2 metres |
| Tyre & Wheels | ||
| Wheels | Alloy Wheels | Alloy Wheels |
| Front Tyres | 285 / 40 R22 | 21 |
| Rear Tyres | 285 / 40 R22 | 21 |
| Tyres | Road Radial - Tubeless Tyres | Radial - Tubeless Tyres |
| Spare Wheel & Tyre | Not specified | Space Saver |
| Passive Safety (Airbags, NCAP Ratings, etc.) | ||
| Second Row Middle Seat Safety | Not specified | Rear Middle Three Point Seatbelt |
| Doors, Mirrors & Wipers | ||
| Exterior Door | Body Coloured Door Handles, Pull Handles Type | Soft-Close Doors, Body Coloured Door Handles |
| Fuel Fillers Lid | Manual | Not specified |
| Interior Door Handles Finish | Not specified | Chrome |
| Storage | ||
| Bootspace | Not specified | 213 L |
| Seating & Ergonomics | ||
| Height Adjustable Seat Belt | Front & Rear | Not specified |
| Rear Passenger Seat Type | Not specified | Bench |
| Instrument Cluster | ||
| Speedometer | Digital | Not specified |
| Fuel Consumption | Average Fuel Consumption, Distance to Empty, Instantaneous Fuel Consumption & Low Fuel Level Warning | Average Fuel Consumption, Distance to Empty, Instantaneous Fuel Consumption & Low Fuel Level Warning |
| Design & Styling | ||
| Wrappings | Not specified | Leather Wrapped Gear Knob & Wrapped Steering Wheel |
| Scuff Plates | Not specified | Aluminium |
| Exhaust | Not specified | Chrome Finish |
| Wheels and Tyres | ||
| Recommended Tyre Pressure | Front 36 psi · Rear 36 psi (cold) | Front 30 psi · Rear 30 psi (cold) |
| Overview | ||
| Fuel Type | Petrol | Petrol |
| Transmission | Automatic (TC) - 8 Gears | Automatic (TC) - 9 Gears, Paddle Shift, Sport Mode |
| Seating Capacity | 5 Seats and 2 Rows | 4 Seats and 2 Rows |
| Engine | ||
| Horsepower | 500 bhp | 469 bhp |
| Torque | 770 Nm | 700 Nm |
| Displacement | 3996 cc | 3982 cc |
| Dimensions | ||
| Dimensions (L x W x H) | 5005 x 2190 x 1695 mm | 4705 x 1915 x 1359 mm |
| Height | 1,695 mm | 1,359 mm |
| Length | 5,005 mm | 4,705 mm |
| Wheelbase | 3,000 mm | 2,692 mm |
| Width | 2,190 mm | 1,915 mm |
| Boot Space | Not specified | 213 L |
| Brakes | ||
| Brakes | Not specified | Disc (Front & Rear) |
| Infotainment & Entertainment | ||
| Voice Assistant | Not specified | Alexa |
| Input Methods | Not specified | Bluetooth Compatibility (Phone Calls & Audio Streaming), AUX Compatibility |
| Antenna | Not specified | Roof-Mounted Antenna |
Features & equipment
Present / absent across these trims · never invented
| Feature | Audi SQ8 4.0 Petrol Turbo Automatic | Mercedes-Benz AMG SL55 Roadster 4MATIC Plus |
|---|---|---|
| Safety | ||
| Airbags | Yes | Yes |
| Seatbelts | Yes | Not available |
| ABS | Yes | Yes |
| EBD | Yes | Yes |
| Brake Assist | Yes | Yes |
| Vehicle Stability Control | Yes | Yes |
| Hill Start Assist | Yes | Yes |
| ISOFIX | Yes | Yes |
| Immobilizer | Yes | Yes |
| Child Lock | Yes | Yes |
| Speed Sensing Door Lock | Yes | Yes |
| Traction Control | Not available | Yes |
| Downhill Assist Control | Not available | Yes |
| Autonomous Emergency Braking | Not available | Yes |
| Blind Spot Monitor | Not available | Yes |
| Seat Belt Warning | Not available | Yes |
| NCAP Safety Rating | Not available | Yes |
| TPMS | Not available | Yes |
| Emergency Call | Not available | Yes |
| Tire Repair Kit | Not available | Not available |
| Door Ajar Warning | Not available | Yes |
| Emergency Brake Light Flashing | Not available | Yes |
| Exterior | ||
| Automatic Headlights | Yes | Yes |
| Headlight Height Adjuster | Yes | Yes |
| Sunroof | Yes | Yes |
| Roof Rails | Not available | Not available |
| Rear Defogger | Yes | Yes |
| Follow Me Home Headlights | Yes | Yes |
| Body-Colored Bumpers | Yes | Yes |
| Rub Strips | Not available | Not available |
| LED Headlights | Not available | Yes |
| Fog Lights | Not available | Not available |
| Auto High Beam | Not available | Yes |
| Rain Sensing Wipers | Not available | Yes |
| Puddle Lights | Not available | Yes |
| Infotainment | ||
| Digital Instrument Cluster | Yes | Yes |
| Connected Services | Yes | Yes |
| OTA Updates | Yes | Yes |
| Trip Meter | Yes | Yes |
| Gear Indicator | Yes | Yes |
| Touchscreen Display | Not available | Yes |
| Speakers | Not available | 17 Speakers |
| Navigation | Not available | Yes |
| Voice Control | Not available | Yes |
| Wireless Charger | Not available | Yes |
| Wi-Fi Hotspot | Not available | Yes |
| AM/FM Radio | Not available | Yes |
| Heads-Up Display | Not available | Yes |
| Amazon Alexa | Not available | Yes |
| Gesture Control | Not available | Not available |
| Comfort | ||
| Heater | Yes | Yes |
| Cruise Control | Yes | Yes |
| Push Button Start | Yes | Yes |
| Armrest | Yes | Yes |
| Steering Wheel Controls | Yes | Yes |
| Glovebox Cooler | Yes | Yes |
| Front Seatback Pockets | Yes | Not available |
| Seat Material | Not available | Yes |
| Remote Engine Start | Not available | Yes |
| Sunglass Holder | Not available | Yes |
| Umbrella Storage | Not available | Yes |
| Cabin Boot Access | Not available | Not available |
| Massage Seats | Not available | Yes |
| Cabin Air Purifier | Not available | Yes |
| Headlight Ignition Reminder | Not available | Yes |
More rivalries
Other daily matched pairs
More tools to try
Jump to another calculator or advisor without leaving the tools hub.
Keep exploring
Catalogue, compares, and news for India.
Compare cars
Pick two models and line up price, specs, and features side by side.
Start a compare →Browse cars
Filter the live catalogue by budget, body style, and powertrain.
Browse catalogue →Upcoming cars
See planned launches and notes before they reach the showroom.
View upcoming →All tools
Ownership calculators, EV planners, advisors, and more in one place.
Open tools hub →Auto news
Launches, prices, fuel, and industry updates from the CarvoltX blog.
Read the blog →Today’s rivalries
Close matchups from the live catalogue. Open a pair to compare specs.
From the blog
Recent launches, prices, and industry notes worth a quick read.








