News
Features
New Cars
Used Cars
Shopping Tools
Car Advice
2022 CarBuzz Awards
  1. Home
  2. Compare Cars
  3. Compare Mercedes-Benz SL 450 Roadster vs SL 550 Roadster

Compare Mercedes-Benz SL 450 Roadster vs SL 550 Roadster

$91,000 - $114,700
Price range (MSRP)
Mercedes-Benz SL-Class
Mercedes-Benz SL-Class For Sale
20/28 mpg
City/Hwy
362 hp
Horsepower
N/A
Mercedes-Benz SL-Class Review and Specs
Select configuration:
Mercedes-Benz SL 450 Roadster
$91,000
Starting Price (MSRP)
Mercedes-Benz SL 450 Roadster For Sale
Select configuration:
Mercedes-Benz SL 550 Roadster
$114,700
Starting Price (MSRP)
Mercedes-Benz SL 550 Roadster For Sale
Select configuration:
What are the differences between the Mercedes-Benz SL-Class SL 450 Roadster and SL 550 Roadster?

Overview

Engine
3.0L Twin-Turbo V6 Gas
Engine
4.7L Twin-Turbo V8 Gas
Transmission
9-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
Rear-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 20 MPG
Hwy: 28 MPG
Fuel Economy
City: 17 MPG
Hwy: 25 MPG
Fuel Tank Capacity
19.8 gallons
Fuel Tank Capacity
19.8 gallons
Seating Capacity
2 seater
Seating Capacity
2 seater
Trunk Volume
8.5 ft³
Trunk Volume
8.5 ft³

Performance Specs

Engine and Transmission

Engine
3.0L Twin-Turbo V6 Gas
4.7L Twin-Turbo V8 Gas
Horsepower
362 hp @ 5500 rpm
449 hp @ 5500 rpm
Torque
369 lb-ft @ 2000 rpm
516 lb-ft @ 1800 rpm
Transmission
9-Speed Automatic
9-Speed Automatic
Drivetrain
Rear-Wheel Drive
Rear-Wheel Drive

Weight and Towing

Curb Weight
3,826 lbs
3,959 lbs
Now Buzzing
2025 Volvo EX30 Revealed With 422 HP And $34,950 Price
Reveal
2025 Volvo EX30 Revealed With 422 HP And $34,950 Price
Insanely Priced VW Golf R 333 Sells Out In Eight Minutes
Special Editions
Insanely Priced VW Golf R 333 Sells Out In Eight Minutes
Carbon Fiber BMW M2 Body Kit Fixes All Our Problems With Its Design
Tuning
Carbon Fiber BMW M2 Body Kit Fixes All Our Problems With Its Design
VW Boss Says ID. Buzz Can't Afford Dealer Markups
Pricing
VW Boss Says ID. Buzz Can't Afford Dealer Markups
2025 Volvo EX30 Quicker Than Any Volvo Or Polestar Ever Made
Electric Vehicles
2025 Volvo EX30 Quicker Than Any Volvo Or Polestar Ever Made
Kia Tasman Could Be The Name Of The Kia Truck We're All Waiting For
Trucks
Kia Tasman Could Be The Name Of The Kia Truck We're All Waiting For

Fuel and MPG

Fuel Economy

Combined
22 MPG
20 MPG
City
20 MPG
17 MPG
Highway
28 MPG
25 MPG

Emissions

CO2 Emissions @ 15K mi/year
8.0 Tons/yr
8.8 Tons/yr

Fuel Tank

Fuel Tank Capacity
19.8 gallons
19.8 gallons
Cruising Range City
396 miles
336.6 miles
Cruising Range Highway
554.4 miles
495 miles

Dimensions and Measurement

Exterior Dimensions

Length
182.3 in
182.3 in
Height
51.2 in
51.2 in
Max Width
73.9 in
73.9 in
Front Width
62.8 in
62.8 in
Rear Width
63 in
63 in
Wheelbase
101.7 in
101.7 in
Ground Clearance
3.7 in
3.7 in

Interior Space

Seating Capacity
2 seater
2 seater
Front Seat Leg Room
42.9 in
42.9 in
Front Seat Headroom
39.1 in
39.1 in
Front Seat Shoulder Room
55.5 in
55.5 in
Front Seat Hip Room
53.6 in
53.6 in

Cargo Space

Trunk Volume
8.5 ft³
8.5 ft³

Wheels and Suspension

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Turning Diameter
36.2 ft
36.2 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
Front Wheel Size
19" x 8.5"
19" x 8.5"
Rear Wheel Size
19" x 9.5"
19" x 9.5"

Suspension

Front Suspension
Multi-Link
Multi-Link
Rear Suspension
Multi-Link
Multi-Link

Tires

Front Tire
P255/35YR19
P255/35YR19
Rear Tire
P285/30YR19
P285/30YR19

Colors and Materials

Standard Exterior Colors

  • Black
  • Brilliant Blue Metallic
  • Dolomite Brown Metallic
  • Graphite Grey Metallic
  • Iridium Silver Metallic
  • Obsidian Black Metallic
  • Polar White
  • Selenite Grey Metallic
  • Black
  • Brilliant Blue Metallic
  • Dolomite Brown Metallic
  • Graphite Grey Metallic
  • Iridium Silver Metallic
  • Obsidian Black Metallic
  • Polar White
  • Selenite Grey Metallic

Optional Exterior Colors

  • designo Cardinal Red Metallic
  • designo Diamond White Metallic
  • designo Selenite Grey Magno
  • designo Cardinal Red Metallic
  • designo Diamond White Metallic
  • designo Selenite Grey Magno

Standard Interior Materials

  • Bengal Red/Black, Leather Upholstery
  • Black, Leather Upholstery
  • Crystal Grey/Black, Leather Upholstery
  • Ginger Beige/Espresso, Leather Upholstery
  • Bengal Red/Black, Leather Upholstery
  • Black, Leather Upholstery
  • Crystal Grey/Black, Leather Upholstery
  • Ginger Beige/Espresso, Leather Upholstery

Optional Interior Materials

  • Bengal Red/Black, Perforated Nappa Leather Upholstery
  • Black, Perforated Nappa Leather Upholstery
  • Ginger Beige/Espresso, Perforated Nappa Leather Upholstery
  • Porcelain/Black, Perforated Nappa Leather Upholstery
  • Saddle Brown/Black, Perforated Nappa Leather Upholstery
  • Bengal Red/Black, Exclusive Nappa Leather Upholstery
  • Black, Exclusive Nappa Leather Upholstery
  • Ginger Beige/Espresso, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Exclusive Nappa Leather Upholstery
  • Saddle Brown/Black, Exclusive Nappa Leather Upholstery
  • Bengal Red/Black, Perforated Nappa Leather Upholstery
  • Black, Perforated Nappa Leather Upholstery
  • Ginger Beige/Espresso, Perforated Nappa Leather Upholstery
  • Porcelain/Black, Perforated Nappa Leather Upholstery
  • Saddle Brown/Black, Perforated Nappa Leather Upholstery
  • Bengal Red/Black, Exclusive Nappa Leather Upholstery
  • Black, Exclusive Nappa Leather Upholstery
  • Ginger Beige/Espresso, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Exclusive Nappa Leather Upholstery
  • Saddle Brown/Black, Exclusive Nappa Leather Upholstery

Features and Options

Infotainment

HD Radio
Standard
Standard
Bluetooth Connection
Standard
Standard
Hard Disk Drive Media Storage
Standard
Standard
Premium Sound System
Standard
Standard
Satellite Radio
Standard
Standard
Smart Device Integration
Standard
Standard
Auxiliary Audio Input
Standard
Standard
MP3 Player
Standard
Standard

Interior Trim

Bucket Seats
Standard
Standard
Leather Seats
Standard
Standard
Leather Steering Wheel
Standard
Standard
Woodgrain Interior Trim
Optional
Optional
Sun/Moonroof
Standard
Standard

Comfort

Navigation System
Standard
Standard
Steering Wheel Audio Controls
Standard
Standard
Power Mirror(s)
Standard
Standard
A/C
Standard
Standard
Adaptive Cruise Control
Optional
Optional
Automatic Parking
Optional
Standard
Climate Control
Standard
Standard
Cooled Front Seat(s)
Optional
Standard
Cruise Control
Standard
Standard
Hands-Free Liftgate
Standard
Standard
Heated Front Seat(s)
Standard
Standard
Keyless Entry
Standard
Standard
Multi-Zone A/C
Standard
Standard
Power Driver Seat
Standard
Standard
Power Passenger Seat
Standard
Standard
Remote Engine Start
Standard
Standard
Seat Memory
Standard
Standard
Universal Garage Door Opener
Standard
Standard
Seat-Massage
Optional
Standard
Keyless Start
Standard
Standard
Telematics
Standard
Standard

Safety

Safety Features

Back-Up Camera
Standard
Standard
Blind Spot Monitor
Optional
Optional
Lane Departure Warning
Optional
Optional
Lane Keeping Assist
Optional
Optional
ABS
Standard
Standard
Tire Pressure Monitor
Standard
Standard
Brake Assist
Standard
Standard
Stability Control
Standard
Standard
Traction Control
Standard
Standard

Airbags

Driver Air Bag
Standard
Standard
Front Head Air Bag
Standard
Standard
Front Side Air Bag
Standard
Standard
Knee Air Bag
Standard
Standard
Passenger Air Bag
Standard
Standard

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Roadside Assistance
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Mercedes-Benz SL-Class
Best Comparisons
  • Popular Tags
  • Cars
By Make
Acura Alfa Romeo Aston Martin Audi Bentley BMW Bollinger BrightDrop Bugatti Buick Cadillac Caterham Chevrolet Chrysler Dodge Ferrari Fiat Fisker Ford Genesis GMC Gordon Murray Automotive Hennessey Honda Hyundai Infiniti Jaguar Jeep Karma Kia Koenigsegg Lamborghini Land Rover Lexus Lincoln Lordstown Lotus Lucid Motors Maserati Mazda McLaren Mercedes-Benz Mini Mitsubishi Nissan Pagani Polestar Porsche Ram Rimac Rivian Rolls-Royce Spyker Subaru Tesla Toyota VinFast Volkswagen Volvo
By Car Type
SUVs Crossovers Sedans Coupes Trucks Sports Cars Wagons Vans Hatchbacks Convertibles Small Cars Luxury Cars Electric Cars Hybrid Cars Future Cars
By Price
Up to $15K $15K - $25K $25K - $35K $35K - $45K $45K - $55K $55K - $75K $75K - $100K $100K - $200K $200K - $300K Above $300K
Back
To Top