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Standard
Optional
Unequipped
* Additional Options Available
Standard
Optional
Unequipped
* Additional Options Available
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Starting MSRP
Starting Market Average
Rating
TruePrice
Leases
Starting MSRP
$112,850
*
Starting MSRP
$107,550
*
Starting Market Average
$112,886
Starting Market Average
Porsche 911 Starting Market Average is unequipped
Rating
Ratings Unavailable
Rating
4.69 out of 10(10)
TruePrice
TruePrice
—
Leases
Leases
Lease Prices Unavailable
MPG
Engine
Drive Type
Automatic Emergency Braking
Basic Warranty
Horsepower
Blind Spot System
Surround View Camera
Adaptive Cruise Control
Remote Engine Start
Parking Sensors
Multi-Zone Climate Control
Premium Audio
MPG
20 city/27 hwy
*
MPG
18 city/24 hwy
*
Engine
2.0L I4 Turbo
*
Engine
3.0L H6 Twin-Turbo
*
Drive Type
RWD
*
Drive Type
RWD
*
Automatic Emergency Braking
Mercedes-Benz SL Automatic Emergency Braking is standard
Automatic Emergency Braking
Porsche 911 Automatic Emergency Braking is standard
Basic Warranty
4 yr / 50k mi
Basic Warranty
4 yr / 50k mi
Horsepower
375
hp
*
Horsepower
379
hp
*
Blind Spot System
Mercedes-Benz SL Blind Spot System is standard
Blind Spot System
Porsche 911 Blind Spot System is optional
Surround View Camera
Mercedes-Benz SL Surround View Camera is standard
Surround View Camera
Porsche 911 Surround View Camera is optional
Adaptive Cruise Control
Mercedes-Benz SL Adaptive Cruise Control is unequipped
Adaptive Cruise Control
Porsche 911 Adaptive Cruise Control is unequipped
Remote Engine Start
Mercedes-Benz SL Remote Engine Start is standard
Remote Engine Start
Porsche 911 Remote Engine Start is unequipped
Parking Sensors
Mercedes-Benz SL Parking Sensors is standard
Parking Sensors
Porsche 911 Parking Sensors is standard
Multi-Zone Climate Control
Mercedes-Benz SL Multi-Zone Climate Control is unequipped
Multi-Zone Climate Control
Porsche 911 Multi-Zone Climate Control is unequipped
Premium Audio
Mercedes-Benz SL Premium Audio is standard
Premium Audio
Porsche 911 Premium Audio is optional
Engine Type
Fuel Type
Horsepower
Horsepower RPM
Torque
Torque RPM
Engine Displacement
Engine Configuration
Cylinders
Aspiration
Variable Valvetrain
Valvetrain
Number of Valves
Compression Ratio
EPA City Fuel Economy
EPA Highway Fuel Economy
EPA Combined Fuel Economy
Start/Stop System
Regenerative Braking
Engine Type
Gas
Engine Type
Gas
Fuel Type
Premium Unleaded
Fuel Type
Premium Unleaded
Horsepower
375
hp
*
Horsepower
379
hp
*
Horsepower RPM
6750
rpm
*
Horsepower RPM
6500
rpm
*
Torque
354
lb-ft
*
Torque
331
lb-ft
*
Torque RPM
3000
rpm
*
Torque RPM
1950
rpm
*
Engine Displacement
2.0
L
*
Engine Displacement
3.0
L
*
Engine Configuration
Inline
*
Engine Configuration
Flat
Cylinders
4
cylinder
*
Cylinders
6
cylinder
Aspiration
Turbocharged
Aspiration
Twin-Turbo
*
Variable Valvetrain
Mercedes-Benz SL Variable Valvetrain is unequipped
Variable Valvetrain
Porsche 911 Variable Valvetrain is standard
Valvetrain
Mercedes-Benz SL Valvetrain is unequipped
Valvetrain
Double Overhead
Number of Valves
Mercedes-Benz SL Number of Valves is unequipped
Number of Valves
24
valve
Compression Ratio
Mercedes-Benz SL Compression Ratio is unequipped
Compression Ratio
10.2
EPA City Fuel Economy
20
MPG
*
EPA City Fuel Economy
18
MPG
*
EPA Highway Fuel Economy
27
MPG
*
EPA Highway Fuel Economy
24
MPG
*
EPA Combined Fuel Economy
22
MPG
*
EPA Combined Fuel Economy
20
MPG
*
Start/Stop System
Mercedes-Benz SL Start/Stop System is standard
Start/Stop System
Porsche 911 Start/Stop System is optional
Regenerative Braking
Mercedes-Benz SL Regenerative Braking is standard
Regenerative Braking
Porsche 911 Regenerative Braking is unequipped
Transmission Type
Shiftable Automatic
Dual Clutch Transmission
Gear Number
First Gear Ratio
Second Gear Ratio
Third Gear Ratio
Fourth Gear Ratio
Fifth Gear Ratio
Sixth Gear Ratio
Seventh Gear Ratio
Eighth Gear Ratio
Reverse Gear Ratio
Transmission Type
Automatic
Transmission Type
Automatic
*
Shiftable Automatic
Mercedes-Benz SL Shiftable Automatic is unequipped
Shiftable Automatic
Paddles
Dual Clutch Transmission
Mercedes-Benz SL Dual Clutch Transmission is unequipped
Dual Clutch Transmission
Porsche 911 Dual Clutch Transmission is standard
Gear Number
9
Gear Number
8
*
First Gear Ratio
5.35
First Gear Ratio
4.89
*
Second Gear Ratio
3.24
Second Gear Ratio
3.17
*
Third Gear Ratio
2.25
Third Gear Ratio
2.15
*
Fourth Gear Ratio
1.64
Fourth Gear Ratio
1.56
*
Fifth Gear Ratio
1.21
Fifth Gear Ratio
1.18
*
Sixth Gear Ratio
1.0
Sixth Gear Ratio
0.94
*
Seventh Gear Ratio
0.87
Seventh Gear Ratio
0.76
*
Eighth Gear Ratio
0.72
Eighth Gear Ratio
0.61
Reverse Gear Ratio
4.8
Reverse Gear Ratio
3.99
*
Headlamp Type
Auto On/Off Headlamps
Auto On/Off High Beams
Curve Adaptive Headlamps
Windshield Wipers
Daytime Running Lights (DRLs)
Tail Lamp Type
Integrated Turn Signal Mirrors
Side Mirror Color
Heated Side Mirrors
Memory Side Mirrors
Folding Side Mirrors
Power Side Mirrors
Moonroof
Convertible Roof
Targa Top Roof
Power Trunk/Liftgate
Hands-free Trunk/Liftgate
Automatic Parking
Roof Rails
Front Wheel Size
Rear Wheel Size
Wheel Type
Front Tire Size
Rear Tire Size
Tire Type
Run Flat
Inflator Kit
Headlamp Type
LED
Headlamp Type
LED
Auto On/Off Headlamps
Mercedes-Benz SL Auto On/Off Headlamps is standard
Auto On/Off Headlamps
Porsche 911 Auto On/Off Headlamps is standard
Auto On/Off High Beams
Mercedes-Benz SL Auto On/Off High Beams is standard
Auto On/Off High Beams
Porsche 911 Auto On/Off High Beams is optional
Curve Adaptive Headlamps
Mercedes-Benz SL Curve Adaptive Headlamps is unequipped
Curve Adaptive Headlamps
Porsche 911 Curve Adaptive Headlamps is optional
Windshield Wipers
Rain Sensing
*
Windshield Wipers
Rain Sensing
*
Daytime Running Lights (DRLs)
Mercedes-Benz SL Daytime Running Lights (DRLs) is standard
Daytime Running Lights (DRLs)
Porsche 911 Daytime Running Lights (DRLs) is standard
Tail Lamp Type
Mercedes-Benz SL Tail Lamp Type is unequipped
Tail Lamp Type
LED
Integrated Turn Signal Mirrors
Mercedes-Benz SL Integrated Turn Signal Mirrors is standard
Integrated Turn Signal Mirrors
Porsche 911 Integrated Turn Signal Mirrors is unequipped
Side Mirror Color
Mercedes-Benz SL Side Mirror Color is unequipped
Side Mirror Color
Body Color
Heated Side Mirrors
Mercedes-Benz SL Heated Side Mirrors is unequipped
Heated Side Mirrors
Porsche 911 Heated Side Mirrors is standard
Memory Side Mirrors
Mercedes-Benz SL Memory Side Mirrors is standard
Memory Side Mirrors
Porsche 911 Memory Side Mirrors is optional
Folding Side Mirrors
Power
Folding Side Mirrors
Not Standard
*
Power Side Mirrors
Mercedes-Benz SL Power Side Mirrors is standard
Power Side Mirrors
Porsche 911 Power Side Mirrors is standard
Moonroof
Mercedes-Benz SL Moonroof is unequipped
Moonroof
Not Standard
*
Convertible Roof
Soft Top
Convertible Roof
Not Standard
*
Targa Top Roof
Mercedes-Benz SL Targa Top Roof is unequipped
Targa Top Roof
Porsche 911 Targa Top Roof is optional
Power Trunk/Liftgate
Mercedes-Benz SL Power Trunk/Liftgate is unequipped
Power Trunk/Liftgate
Porsche 911 Power Trunk/Liftgate is optional
Hands-free Trunk/Liftgate
Not Standard
*
Hands-free Trunk/Liftgate
Porsche 911 Hands-free Trunk/Liftgate is unequipped
Automatic Parking
Parallel and Perpendicular (Back-In)
Automatic Parking
Not Standard
*
Roof Rails
Mercedes-Benz SL Roof Rails is unequipped
Roof Rails
Porsche 911 Roof Rails is optional
Front Wheel Size
19
in
*
Front Wheel Size
19
in
*
Rear Wheel Size
19
in
*
Rear Wheel Size
20
in
*
Wheel Type
Alloy
Wheel Type
Alloy
*
Front Tire Size
P255/45ZR19
*
Front Tire Size
235/40-19
*
Rear Tire Size
P285/40ZR19
*
Rear Tire Size
295/35-20
*
Tire Type
Mercedes-Benz SL Tire Type is unequipped
Tire Type
Not Standard
*
Run Flat
Mercedes-Benz SL Run Flat is unequipped
Run Flat
Porsche 911 Run Flat is standard
Inflator Kit
Mercedes-Benz SL Inflator Kit is unequipped
Inflator Kit
Porsche 911 Inflator Kit is standard
Seat Material
Automatic Power Windows
Power Driver Seat
Power Passenger Seat
Driver Seat Lumbar Support
Passenger Seat Lumbar Support
Front Heated Seats
Front Cooled Seats
First Row Seating
Driver Seat Memory
Second Row Seating
2nd Row Trunk Pass-Through
Floor Mats
Power Windows
Power Locks
Remote Keyless Entry
Remote Engine Start
Proximity Keyless Entry
Keyless Ignition
Garage Door Opener
Climate Control
Dash Material
Door Trim
Interior Trim
Steering Wheel Type
Audio Steering Wheels Controls
Heated Steering Wheel
Cruise Control
Auto Dimming Rearview Mirror
External Temperature Display
12V DC Power Outlet
Ambient Lighting
Seat Material
Leather
Seat Material
Leather
*
Automatic Power Windows
Mercedes-Benz SL Automatic Power Windows is unequipped
Automatic Power Windows
Front
Power Driver Seat
1
way
Power Driver Seat
4
way
*
Power Passenger Seat
1
way
Power Passenger Seat
4
way
*
Driver Seat Lumbar Support
Mercedes-Benz SL Driver Seat Lumbar Support is unequipped
Driver Seat Lumbar Support
Not Standard
*
Passenger Seat Lumbar Support
Mercedes-Benz SL Passenger Seat Lumbar Support is unequipped
Passenger Seat Lumbar Support
Not Standard
*
Front Heated Seats
Multi-Level
Front Heated Seats
Multi-Level
Front Cooled Seats
Multi-Level
Front Cooled Seats
Not Standard
*
First Row Seating
Bucket
First Row Seating
Bucket
*
Driver Seat Memory
1
setting
Driver Seat Memory
Not Standard
*
Second Row Seating
Bucket
Second Row Seating
Bucket
2nd Row Trunk Pass-Through
Mercedes-Benz SL 2nd Row Trunk Pass-Through is unequipped
2nd Row Trunk Pass-Through
Porsche 911 2nd Row Trunk Pass-Through is standard
Floor Mats
Mercedes-Benz SL Floor Mats is standard
Floor Mats
Porsche 911 Floor Mats is standard
Power Windows
Mercedes-Benz SL Power Windows is standard
Power Windows
Porsche 911 Power Windows is standard
Power Locks
Mercedes-Benz SL Power Locks is standard
Power Locks
Porsche 911 Power Locks is standard
Remote Keyless Entry
Mercedes-Benz SL Remote Keyless Entry is standard
Remote Keyless Entry
Porsche 911 Remote Keyless Entry is standard
Remote Engine Start
Mercedes-Benz SL Remote Engine Start is standard
Remote Engine Start
Porsche 911 Remote Engine Start is unequipped
Proximity Keyless Entry
Mercedes-Benz SL Proximity Keyless Entry is standard
Proximity Keyless Entry
Porsche 911 Proximity Keyless Entry is standard
Keyless Ignition
Mercedes-Benz SL Keyless Ignition is standard
Keyless Ignition
Porsche 911 Keyless Ignition is standard
Garage Door Opener
Mercedes-Benz SL Garage Door Opener is standard
Garage Door Opener
Porsche 911 Garage Door Opener is standard
Climate Control
Dual-Zone
Climate Control
Dual-Zone
Dash Material
Mercedes-Benz SL Dash Material is unequipped
Dash Material
Leather
*
Door Trim
Mercedes-Benz SL Door Trim is unequipped
Door Trim
Leather
*
Interior Trim
Not Standard
*
Interior Trim
Metal
*
Steering Wheel Type
Leather
Steering Wheel Type
Leather
Audio Steering Wheels Controls
Mercedes-Benz SL Audio Steering Wheels Controls is standard
Audio Steering Wheels Controls
Porsche 911 Audio Steering Wheels Controls is standard
Heated Steering Wheel
Mercedes-Benz SL Heated Steering Wheel is standard
Heated Steering Wheel
Porsche 911 Heated Steering Wheel is optional
Cruise Control
Cruise Control
*
Cruise Control
Cruise Control
*
Auto Dimming Rearview Mirror
Mercedes-Benz SL Auto Dimming Rearview Mirror is standard
Auto Dimming Rearview Mirror
Porsche 911 Auto Dimming Rearview Mirror is standard
External Temperature Display
Mercedes-Benz SL External Temperature Display is unequipped
External Temperature Display
Porsche 911 External Temperature Display is standard
12V DC Power Outlet
Mercedes-Benz SL 12V DC Power Outlet is unequipped
12V DC Power Outlet
Front
Ambient Lighting
Mercedes-Benz SL Ambient Lighting is unequipped
Ambient Lighting
Yes
AM/FM
Satellite Radio
HD Radio
Number Of Speakers
Premium Audio
Aux Input
AM/FM
Mercedes-Benz SL AM/FM is standard
AM/FM
Porsche 911 AM/FM is standard
Satellite Radio
Mercedes-Benz SL Satellite Radio is standard
Satellite Radio
Porsche 911 Satellite Radio is standard
HD Radio
Mercedes-Benz SL HD Radio is standard
HD Radio
Porsche 911 HD Radio is standard
Number Of Speakers
Unavailable
*
Number Of Speakers
8
speaker
*
Premium Audio
Burmester
Premium Audio
Not Standard
*
Aux Input
Front
Aux Input
Front
Infotainment System
Screen Size
Touch Screen
Bluetooth Hands-Free
Voice Command
In-Car WiFi
USB Input
Navigation
Apple CarPlay
Android Auto
Bluetooth
Infotainment System
Mercedes-Benz SL Infotainment System is unequipped
Infotainment System
Porsche 911 Infotainment System is standard
Screen Size
Mercedes-Benz SL Screen Size is unequipped
Screen Size
10.9
in
Touch Screen
Mercedes-Benz SL Touch Screen is unequipped
Touch Screen
Porsche 911 Touch Screen is standard
Bluetooth Hands-Free
Mercedes-Benz SL Bluetooth Hands-Free is unequipped
Bluetooth Hands-Free
Porsche 911 Bluetooth Hands-Free is standard
Voice Command
Mercedes-Benz SL Voice Command is unequipped
Voice Command
Porsche 911 Voice Command is standard
In-Car WiFi
Mercedes-Benz SL In-Car WiFi is standard
In-Car WiFi
Porsche 911 In-Car WiFi is standard
USB Input
Mercedes-Benz SL USB Input is unequipped
USB Input
Front
Navigation
Mercedes-Benz SL Navigation is standard
Navigation
Porsche 911 Navigation is standard
Apple CarPlay
Mercedes-Benz SL Apple CarPlay is standard
Apple CarPlay
Porsche 911 Apple CarPlay is standard
Android Auto
Mercedes-Benz SL Android Auto is standard
Android Auto
Porsche 911 Android Auto is standard
Bluetooth
Mercedes-Benz SL Bluetooth is standard
Bluetooth
Porsche 911 Bluetooth is standard
Brake Assist
Automatic Braking
Blind Spot System
Lane Keep Assist
Forward Collision Warning
Backup Camera
Around View Camera
Parking Sensors
Rear Cross-Traffic Alert
Front Night Vision System
Alarm
Heads-up Display (HUD)
Traction Control
Stability Control
Tire Pressure Monitoring System
Side Airbags
Curtain Airbags
Knee Airbags
Pedestrian Detection
Brake Assist
Mercedes-Benz SL Brake Assist is standard
Brake Assist
Porsche 911 Brake Assist is standard
Automatic Braking
Mercedes-Benz SL Automatic Braking is standard
Automatic Braking
Porsche 911 Automatic Braking is standard
Blind Spot System
Monitor
Blind Spot System
Not Standard
*
Lane Keep Assist
Not Standard
*
Lane Keep Assist
Active Lane Keep Assist
Forward Collision Warning
Mercedes-Benz SL Forward Collision Warning is unequipped
Forward Collision Warning
Porsche 911 Forward Collision Warning is standard
Backup Camera
Mercedes-Benz SL Backup Camera is standard
Backup Camera
Porsche 911 Backup Camera is standard
Around View Camera
Mercedes-Benz SL Around View Camera is standard
Around View Camera
Porsche 911 Around View Camera is optional
Parking Sensors
Front and Rear
Parking Sensors
Front and Rear
*
Rear Cross-Traffic Alert
Mercedes-Benz SL Rear Cross-Traffic Alert is optional
Rear Cross-Traffic Alert
Porsche 911 Rear Cross-Traffic Alert is optional
Front Night Vision System
Mercedes-Benz SL Front Night Vision System is unequipped
Front Night Vision System
Porsche 911 Front Night Vision System is standard
Alarm
Mercedes-Benz SL Alarm is standard
Alarm
Porsche 911 Alarm is standard
Heads-up Display (HUD)
Mercedes-Benz SL Heads-up Display (HUD) is optional
Heads-up Display (HUD)
Porsche 911 Heads-up Display (HUD) is unequipped
Traction Control
Mercedes-Benz SL Traction Control is standard
Traction Control
Porsche 911 Traction Control is standard
Stability Control
Mercedes-Benz SL Stability Control is standard
Stability Control
Porsche 911 Stability Control is standard
Tire Pressure Monitoring System
Warning Lamp
Tire Pressure Monitoring System
Location and Pressure Indicator
Side Airbags
Front
Side Airbags
Front
*
Curtain Airbags
Front and Rear
Curtain Airbags
Front
*
Knee Airbags
Mercedes-Benz SL Knee Airbags is standard
Knee Airbags
Porsche 911 Knee Airbags is optional
Pedestrian Detection
Mercedes-Benz SL Pedestrian Detection is unequipped
Pedestrian Detection
Porsche 911 Pedestrian Detection is standard
Front Brakes
Rear Brakes
Sport-Tuned Suspension
Active Suspension
Limited-Slip Differential
Performance Exhaust
Stabilizer Bar
Rear Wheel Steering
Front Brakes
Disc
Front Brakes
Ventilated Disc
*
Rear Brakes
Disc
Rear Brakes
Ventilated Disc
*
Sport-Tuned Suspension
Mercedes-Benz SL Sport-Tuned Suspension is unequipped
Sport-Tuned Suspension
Porsche 911 Sport-Tuned Suspension is optional
Active Suspension
Mercedes-Benz SL Active Suspension is optional
Active Suspension
Porsche 911 Active Suspension is standard
Limited-Slip Differential
Not Standard
*
Limited-Slip Differential
Not Standard
*
Performance Exhaust
Mercedes-Benz SL Performance Exhaust is unequipped
Performance Exhaust
Porsche 911 Performance Exhaust is optional
Stabilizer Bar
Mercedes-Benz SL Stabilizer Bar is unequipped
Stabilizer Bar
Front and Rear
Rear Wheel Steering
Mercedes-Benz SL Rear Wheel Steering is unequipped
Rear Wheel Steering
Porsche 911 Rear Wheel Steering is optional
Basic Warranty Length
Basic Warranty Miles
Drivetrain Warranty Length
Drivetrain Warranty Miles
Rust Warranty Length
Rust Warranty Miles
Roadside Warranty Length
Roadside Warranty Miles
Hybrid-EV Warranty Length
Hybrid-EV Warranty Miles
Free-maintenance Warranty Length
Free-maintenance Warranty Miles
Basic Warranty Length
4
yr
Basic Warranty Length
4
yr
Basic Warranty Miles
50000
mi
Basic Warranty Miles
50000
mi
Drivetrain Warranty Length
4
yr
Drivetrain Warranty Length
4
yr
Drivetrain Warranty Miles
50000
mi
Drivetrain Warranty Miles
50000
mi
Rust Warranty Length
4
yr
Rust Warranty Length
12
yr
Rust Warranty Miles
50000
mi
Rust Warranty Miles
Unlimited
mi
Roadside Warranty Length
4
yr
Roadside Warranty Length
4
yr
Roadside Warranty Miles
50000
mi
Roadside Warranty Miles
50000
mi
Hybrid-EV Warranty Length
8
yr
Hybrid-EV Warranty Length
Porsche 911 Hybrid-EV Warranty Length is unequipped
Hybrid-EV Warranty Miles
80000
mi
Hybrid-EV Warranty Miles
Porsche 911 Hybrid-EV Warranty Miles is unequipped
Free-maintenance Warranty Length
Mercedes-Benz SL Free-maintenance Warranty Length is unequipped
Free-maintenance Warranty Length
1
yr
Free-maintenance Warranty Miles
Mercedes-Benz SL Free-maintenance Warranty Miles is unequipped
Free-maintenance Warranty Miles
10000
mi
Front Brake Diameter
Rear Brake Diameter
Length
Width
Height
Wheelbase
Turning Diameter
Curb Weight
Gross Vehicle Weight Rating (GVWR)
Payload
Front Brake Diameter
15.4
in
*
Front Brake Diameter
13.0
in
*
Rear Brake Diameter
14.2
in
Rear Brake Diameter
13.0
in
*
Length
Mercedes-Benz SL Length is unequipped
Length
177.9
in
*
Width
75.4
in
Width
72.9
in
*
Height
53.5
in
*
Height
51.1
in
*
Wheelbase
106.3
in
Wheelbase
96.5
in
*
Turning Diameter
42.9
ft
*
Turning Diameter
36.8
ft
*
Curb Weight
0.0
lbs
Curb Weight
3354.0
lbs
*
Gross Vehicle Weight Rating (GVWR)
Mercedes-Benz SL Gross Vehicle Weight Rating (GVWR) is unequipped
Gross Vehicle Weight Rating (GVWR)
4321
lbs
*
Payload
Mercedes-Benz SL Payload is unequipped
Payload
967
lbs
*
Trunk Volume Max
Fuel Tank Capacity
1st Row Seat Capacity
2nd Row Seat Capacity
Standard Seating Capacity
Maximum Seating Capacity
Cargo Capacity w/All Seats in Place
Trunk Volume Max
7.5
ft³
Trunk Volume Max
4.6
ft³
*
Fuel Tank Capacity
18.5
gal
Fuel Tank Capacity
16.9
gal
*
1st Row Seat Capacity
2
passenger
1st Row Seat Capacity
2
passenger
2nd Row Seat Capacity
2
passenger
2nd Row Seat Capacity
2
passenger
Standard Seating Capacity
4
passenger
Standard Seating Capacity
4
passenger
*
Maximum Seating Capacity
4
passenger
Maximum Seating Capacity
4
passenger
*
Cargo Capacity w/All Seats in Place
7.5
ft³
Cargo Capacity w/All Seats in Place
Porsche 911 Cargo Capacity w/All Seats in Place is unequipped
Pricing
When comparing two cars, such as the Mercedes‑Benz SL and the Porsche 911, it is important to look at price, fuel economy, and standard features. Starting with price, the Mercedes‑Benz SL is more expensive with a starting MSRP of $112,850 and the similarly equipped Porsche 911 starts at $107,550.
Fuel Economy
Looking at fuel economy, the Mercedes‑Benz SL has slightly better mileage. The Mercedes‑Benz SL gets 20 MPG in the city and 27 MPG on the highway. Comparatively, the Porsche 911 gets 18 MPG in the city and 24 MPG on the highway.
Interior Features
For the Mercedes‑Benz SL, standard features include Leather seats, null speaker audio system, and LED headlamps. The Porsche 911 comes with Leather seats, 8 speaker audio system, and LED headlamps.
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