Compare 2012 Mercedes-Benz SLK Class vs 2012 INFINITI G37 Convertible

2012 Mercedes-Benz SLK Class
2012 INFINITI G37 Convertible
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2-Door Roadster SLK 250
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster SLK 250 22 32 $39,525 $42,500
2-Door Roadster SLK 350 20 29 $50,964 $54,800
2-Door Roadster SLK 55 AMG 19 28 $62,775 $67,500
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2-Door Base
Style MPG City MPG Hwy Invoice MSRP
2-Door Base 17 25 $43,194 $46,650
2-Door Sport 6MT 16 24 $47,489 $51,300
Pricing
Invoice Price
$39,525
$43,194
Manufacturer Suggested Retail Price
$42,500
$46,650
Monthly Payment Estimate
$708 / month
$778 / month
The Car Connection's Take
TCC Rating
8.4
7.8
TCC’s Bottom Line
It may be the most pragmatic roadster of its kind, but the SLK 350 dares you to doubt its partying skills. The Infiniti G37 Convertible doesn't suffer the usual styling compromises, but it's a little less exciting to drive than its Coupe cousin.
TCC Likes
TCC Dislikes
Fuel Economy
City
22 mpg 17 mpg
Highway
32 mpg 25 mpg
Vehicle
EPA Classification
2 Seater Subcompact
Interior Dimensions
Front Shoulder Room (in)
52.2 53.7
Passenger Volume (ft³)
49.0 78.4
Front Leg Room (in)
42.5 43.9
Passenger Capacity
2 4
Front Hip Room (in)
- TBD - 53.4
Front Head Room (in)
38.0 39.4
Second Head Room (in)
- 34.5
Second Shoulder Room (in)
- 45.8
Second Leg Room (in)
- 27.2
Second Hip Room (in)
- 41.7
Exterior Dimensions
Track Width, Rear (in)
61.6 62.8
Wheelbase (in)
95.7 112.2
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
71.5 72.9
Track Width, Front (in)
61.4 60.8
Min Ground Clearance (in)
- TBD - 5.2
Length, Overall (in)
162.8 183.3
Height, Overall (in)
51.2 55.1
Cargo Area Dimensions
Trunk Volume (ft³)
10.1 (6.4 w/top down) 10.3/1.9
Brakes
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
11.8 x 0.4 13.0 x 0.6
Brake Type
Pwr Pwr
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
12.7 x 1.3 13.0 x 1.3
Fuel Tank
Fuel Tank Capacity, Approx (gal)
15.9 20.0
Steering
Steering Ratio (:1), Overall
- TBD - 16.4
Turning Diameter - Curb to Curb (ft)
34.5 36.1
Steering Type
Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering)
- TBD - 3.1
Turning Diameter - Wall to Wall (ft)
- TBD - 38.0
Tires
Front Tire Size
P225/45R17 P225/50VR18
Spare Tire Size
- TBD - Compact
Front Tire Order Code
- TBD - NA
Spare Tire Order Code
NA NA
Rear Tire Size
P245/40R17 P245/45VR18
Rear Tire Order Code
- TBD - NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
NA NA
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
NA NA
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA NA
Weight Information
Base Curb Weight (lbs)
3308 4083
Wheels
Spare Wheel Size (in)
- TBD - Compact
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
17 x 8.5 18 x 8.0
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
- TBD - - TBD -
Front Wheel Size (in)
17 x 7.5 18 x 8.0
Cooling System
Total Cooling System Capacity (qts)
- TBD - 9.0
Electrical
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Maximum Alternator Capacity (amps)
- TBD - 150
Engine
Displacement
1.8L/110 3.7L/226
SAE Net Horsepower @ RPM
201 @ 5500 325 @ 7000
Engine Type
Gas I4 Gas V6
Fuel System
Direct Injection Electronic Fuel Injection
SAE Net Torque @ RPM
229 @ 2000 - 4300 267 @ 5200
Engine Order Code
NA NA
Mileage
EPA Fuel Economy Est - Hwy (MPG)
32 25
EPA Fuel Economy Est - City (MPG)
22 17
Fuel Economy Est-Combined (MPG)
26 20
Transmission
Clutch Size (in)
- TBD - NA
Third Gear Ratio (:1)
1.72 2.04
Trans Type
6 7
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
1.00 1.00
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
4.06 3.97
Second Gear Ratio (:1)
2.61 3.19
Seventh Gear Ratio (:1)
NA 0.77
Trans Order Code
411 NA
Final Drive Axle Ratio (:1)
3.07 3.36
Fourth Gear Ratio (:1)
1.25 1.41
Trans Description Cont.
Manual Automatic
Sixth Gear Ratio (:1)
0.84 0.86
First Gear Ratio (:1)
4.46 4.92
Summary
Vehicle Name
Mercedes-Benz SLK-Class Infiniti G37 Convertible
Body Style
2 Door Roadster Convertible
Suspension
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
NA - TBD -
Suspension Type - Rear
Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
w/Coil Springs NA
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Independent Independent
Stabilizer Bar Diameter - Rear (in)
NA - TBD -
Suspension Type - Front (Cont.)
w/Coil Springs NA
Emissions
EPA Greenhouse Gas Score
- TBD - 4
Tons/yr of CO2 Emissions @ 15K mi/year
7.1 9.1

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