2015 Mercedes-Benz SLS AMG vs 2015 Porsche 911

2015 Mercedes-Benz SLS AMG

2015 Porsche 911

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2-Door Coupe SLS AMG GT Final Edition

Style	MPG City	MPG Hwy	Invoice	MSRP
SLS AMG GT 2-Door Coupe SLS AMG GT Final Edition	13	19	$206,069	$221,580
SLS AMG GT 2-Door Roadster SLS AMG GT Final Edition	13	19	$212,114	$228,080

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2-Door Convertible Carrera

Style	MPG City	MPG Hwy	Invoice	MSRP
911 2-Door Convertible Carrera	19	27	N/A	$96,200
911 2-Door Convertible Carrera 4	19	26	N/A	$102,930
911 2-Door Convertible Carrera 4 GTS	18	25	N/A	$132,800
911 2-Door Convertible Carrera 4S	18	26	N/A	$117,530
911 2-Door Convertible Carrera GTS	18	25	N/A	$126,100
911 2-Door Convertible Carrera S	19	27	N/A	$110,800
911 2-Door Convertible Turbo	17	24	N/A	$163,000
911 2-Door Convertible Turbo S	17	24	N/A	$194,600
911 2-Door Coupe Carrera	19	27	N/A	$84,300
911 2-Door Coupe Carrera 4	19	27	N/A	$91,030
911 2-Door Coupe Carrera 4 GTS	18	26	N/A	$120,900
911 2-Door Coupe Carrera 4S	18	26	N/A	$105,630
911 2-Door Coupe Carrera GTS	18	26	N/A	$114,200
911 2-Door Coupe Carrera S	19	27	N/A	$98,900
911 2-Door Coupe GT3	15	20	N/A	$130,400
911 2-Door Coupe Turbo	17	24	N/A	$151,100
911 2-Door Coupe Turbo S	17	24	N/A	$182,700
911 2-Door Targa 4	18	26	N/A	$101,600
911 2-Door Targa 4S	18	26	N/A	$116,200

Show Only Differences

Pricing

Invoice Price

$206,069

N/A

Manufacturer Suggested Retail Price

$221,580

$96,200

Monthly Payment Estimate

$3693 / month

$1603 / month

The Car Connection's Take

TCC Rating

8.8

Read Our Full Review

9.0

Read Our Full Review

TCC’s Bottom Line

The 2015 Mercedes-Benz SLS AMG GT is the last of the current line, but it still promises to be a top-level super sports car.

The 2015 Porsche 911 is an enthusiast's dream, with excellent handling, comfort, and performance at every step through its range.

TCC Likes

Gullwinged icon
Long, low hood and mean stance
Sounds great, handles well

Performance ranges from great to fantastic
Modern take on classic good looks
Comfortable, quiet interior

TCC Dislikes

Tight cabin
Trunk is shallow, can get hot
Gas mileage unimpressive even for performance

Electric power steering feel isn't quite 100%
Can get expensive in a hurry
Rear seat is cramped

Fuel Economy

City

13 mpg

19 mpg

Highway

19 mpg

27 mpg

Vehicle

EPA Classification

Two-Seaters

Minicompact Cars

Interior Dimensions

Front Hip Room (in)

63.2

Passenger Capacity

Front Head Room (in)

Front Shoulder Room (in)

58.4

Front Leg Room (in)

41.7

Exterior Dimensions

Track Width, Front (in)

66.2

60.3

Length, Overall (in)

182.6

176.8

Height, Overall (in)

49.3

51.3

Track Width, Rear (in)

59.8

Wheelbase (in)

105.5

96.5

Width, Max w/o mirrors (in)

76.3

71.2

Cargo Area Dimensions

Trunk Volume (ft³)

6.2

Brakes

Rear Brake Rotor Diam x Thickness (in)

Brake Type

4-Wheel Disc

Rear Drum Diam x Width (in)

Disc - Front (Yes or )

Yes

Front Brake Rotor Diam x Thickness (in)

15.4

Drum - Rear (Yes or )

Brake ABS System

4-Wheel

Disc - Rear (Yes or )

Yes

Fuel Tank

Fuel Tank Capacity, Approx (gal)

22.5

16.9

Steering

Turning Diameter - Curb to Curb (ft)

36.4

Steering Type

Rack-Pinion

Tires

Rear Tire Size

P295/30YR20

P285/35YR19

Rear Tire Order Code

Front Tire Size

P265/35YR19

P235/40YR19

Spare Tire Size

Front Tire Order Code

Spare Tire Order Code

Weight Information

Base Curb Weight (lbs)

3726

3197

Wheels

Front Wheel Material

Forged Aluminum

Aluminum

Spare Wheel Material

Front Wheel Size (in)

19 X 9.5

19 X 8.5

Spare Wheel Size (in)

Rear Wheel Material

Forged Aluminum

Aluminum

Rear Wheel Size (in)

20 X 11

19 X 11

Electrical

Cold Cranking Amps @ 0° F (Primary)

760

450

Maximum Alternator Capacity (amps)

180

175

Engine

Displacement

6.2 L/379

3.4 L/210

SAE Net Horsepower @ RPM

583 @ 6800

350 @ 7400

Engine Type

Premium Unleaded V-8

Premium Unleaded H-6

Fuel System

Sequential MPI

Gasoline Direct Injection

SAE Net Torque @ RPM

479 @ 4750

287 @ 5600

Engine Order Code

Mileage

Fuel Economy Est-Combined (MPG)

EPA Fuel Economy Est - Hwy (MPG)

EPA Fuel Economy Est - City (MPG)

Transmission

Third Gear Ratio (:1)

1.63

1.55

Trans Type

Drivetrain

Rear Wheel Drive

Fifth Gear Ratio (:1)

1.03

1.08

Trans Description Cont. Again

Reverse Ratio (:1)

2.79

3.55

Second Gear Ratio (:1)

2.19

2.29

Trans Order Code

487

Fourth Gear Ratio (:1)

1.29

1.30

Trans Description Cont.

Auto-Shift Manual w/OD

Manual w/OD

Sixth Gear Ratio (:1)

0.84

0.88

First Gear Ratio (:1)

3.40

3.91

Seventh Gear Ratio (:1)

0.72

0.71

Final Drive Axle Ratio (:1)

3.67

3.44

Summary

Body Style

Coupe

Cabriolet

Vehicle Name

Mercedes-Benz SLS AMG GT

Porsche 911

Suspension

Suspension Type - Rear (Cont.)

Double Wishbone

Multi-Link

Suspension Type - Front

Double Wishbone

Strut

Suspension Type - Front (Cont.)

Double Wishbone

Strut

Suspension Type - Rear

Double Wishbone

Multi-Link

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year

11.8 (Est)

8.0

EPA Greenhouse Gas Score

3.0 (Est)

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