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Compare 2009 Infiniti G37 Convertible vs 2008 BMW 3-Series

2009 Infiniti G37 Convertible Change
2008 BMW 3-Series Change
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Selected Style 2-Door Base
Switch Style

Body Style

Trim

Style MPG City MPG Hwy Invoice MSRP
2-Door Base 17 25 $40,490 $43,850
2-Door Sport 16 24 $40,537 $43,900
4-Door Sedan 328i RWD SULEV
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Body Style

Drivetrain

Emissions

Trim

Other

Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe M3 14 20 $51,980 $56,500
2-Door Convertible M3 M3 14 19 $59,755 $64,950
4-Door Sedan M3 14 20 $49,495 $53,800
4-Door Sedan RWD South Africa 335i 19 29 $36,155 $39,300
2-Door Coupe RWD 328i 18 28 $32,750 $35,600
2-Door Coupe RWD SULEV 328i 18 28 $32,750 $35,600
2-Door Coupe AWD 328xi 19 28 $34,410 $37,400
2-Door Coupe AWD SULEV 328xi 19 28 $34,410 $37,400
2-Door Coupe RWD 335i 19 29 $37,905 $41,200
2-Door Coupe AWD 335xi 19 29 $39,560 $43,000
2-Door Convertible 328i 18 28 $40,020 $43,500
2-Door Convertible SULEV 328i 18 28 $40,020 $43,500
2-Door Convertible 335i 19 28 $45,540 $49,500
4-Door Sedan RWD 328i 18 28 $30,085 $32,700
4-Door Sedan RWD SULEV 328i 18 28 $30,085 $32,700
4-Door Sedan RWD South Africa 328i 18 28 $30,085 $32,700
4-Door Sedan AWD 328xi 19 28 $31,830 $34,600
4-Door Sedan AWD SULEV 328xi 19 28 $31,830 $34,600
4-Door Sedan RWD 335i 19 29 $36,155 $39,300
4-Door Sedan AWD 335xi N/A N/A $37,905 $41,200
4-Door Sports Wagon RWD 328i 20 30 $31,740 $34,500
4-Door Sports Wagon AWD 328xi 19 28 $33,490 $36,400
4-Door Sedan RWD SULEV South Africa 328i 18 28 $30,085 $32,700
Pricing
Invoice Price
$40,490
$30,085
Manufacturer Suggested Retail Price
$43,850
$32,700
Monthly Payment Estimate
$731 / month
$545 / month
Dealer Price Quotes
The Car Connection's Take
TCC Rating
8.4
/ 10
TCC Rating
How does the
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or “Go” (green) messages along with the numerical score so you can easily understand where we stand at a glance.

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Learn more about how we rate and review cars here.

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Read Our Full Review
8.6
/ 10
TCC Rating
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Read Our Full Review
TCC's Bottom Line The 2009 Infiniti G37 Coupe does a neat convertible trick: it keeps all the charm of the Coupe while opening up more to the world outside. The 2008 BMW 3-Series sedan has the best overall driving experience in its class and remains the gold standard among mid-size sport sedans.
TCC Likes
TCC Dislikes
Fuel Economy
Fuel Economy - City 17 mpg 18 mpg
Fuel Economy - Highway 25 mpg 28 mpg
Vehicle
EPA Classification Subcompact Compact
Interior Dimensions
Second Shoulder Room (in) 45.8 55.1
Front Leg Room (in) 43.9 41.5
Front Hip Room (in) 53.4 - TBD -
Passenger Volume (ft³) 78.4 93.0
Second Leg Room (in) 27.2 34.6
Front Head Room (in) 39.4 38.5
Second Hip Room (in) 41.7 - TBD -
Front Shoulder Room (in) 53.7 55.4
Passenger Capacity 4 5
Second Head Room (in) 34.5 37.5
Exterior Dimensions
Height, Overall (in) 55.1 55.9
Track Width, Rear (in) 62.8 59.6
Wheelbase (in) 112.2 108.7
Liftover Height (in) - TBD - - TBD -
Width, Max w/o mirrors (in) 72.9 71.5
Track Width, Front (in) 60.8 59.1
Min Ground Clearance (in) 5.2 - TBD -
Length, Overall (in) 183.3 178.2
Cargo Area Dimensions
Trunk Volume (ft³) 10.33 12.0
Brakes
Rear Brake Rotor Diam x Thickness (in) 13.0 x 0.6 11.8 x 0.79
Brake Type Pwr Pwr-Assisted
Rear Drum Diam x Width (in) NA NA
Disc - Front (Yes or ) Yes Yes
Front Brake Rotor Diam x Thickness (in) 13.0 x 1.3 11.8 x 0.94
Drum - Rear (Yes or ) NA NA
Brake ABS System 4-Wheel 4-Wheel
Disc - Rear (Yes or ) Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal) 20 16.1
Steering
Steering Type Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering) 3.09 3.0
Turning Diameter - Wall to Wall (ft) 38.0 - TBD -
Steering Ratio (:1), Overall 16.4 16.0
Turning Diameter - Curb to Curb (ft) 36.1 36.1
Tires
Spare Tire Size NA NA
Front Tire Order Code NA NA
Spare Tire Order Code NA NA
Rear Tire Size P245/45VR18 P205/55R16
Rear Tire Order Code NA NA
Front Tire Size P225/50VR18 P205/55R16
Trailering
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA NA
Dead Weight Hitch - Max Tongue Wt. (lbs) NA - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA NA
Dead Weight Hitch - Max Trailer Wt. (lbs) NA - TBD -
Weight Information
Base Curb Weight (lbs) 4095 3340
Wheels
Rear Wheel Size (in) 18 x 8.5 16 x 7.0
Front Wheel Material Aluminum Alloy
Spare Wheel Material NA NA
Front Wheel Size (in) 18 x 8.5 16 x 7.0
Spare Wheel Size (in) NA NA
Rear Wheel Material Aluminum Alloy
Cooling System
Total Cooling System Capacity (qts) 8.5 - TBD -
Electrical
Maximum Alternator Capacity (amps) 150 180
Cold Cranking Amps @ 0° F (Primary) - TBD - - TBD -
Engine
Fuel System SMPI - TBD -
SAE Net Torque @ RPM 267 @ 5200 200 @ 2750
Engine Order Code NA NA
Displacement 3.7L/225 3.0L/183
SAE Net Horsepower @ RPM 325 @ 7000 230 @ 6500
Engine Type Gas V6 Gas I6
Mileage
Fuel Economy Est-Combined (MPG) 20 -
EPA Fuel Economy Est - Hwy (MPG) 25 28
EPA Fuel Economy Est - City (MPG) 17 18
Transmission
Sixth Gear Ratio (:1) 0.86 0.85
First Gear Ratio (:1) 4.92 4.32
Clutch Size (in) NA - TBD -
Third Gear Ratio (:1) 2.04 1.66
Trans Type 7 6
Drivetrain Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1) 1.00 1.00
Seventh Gear Ratio (:1) 0.77 -
Trans Description Cont. Again NA NA
Reverse Ratio (:1) 3.97 3.94
Second Gear Ratio (:1) 3.19 2.46
Trans Order Code NA NA
Final Drive Axle Ratio (:1) 3.36 3.23
Fourth Gear Ratio (:1) 1.41 1.23
Trans Description Cont. Automatic w/OD Manual
Summary
Vehicle Name Infiniti G37 Convertible BMW 3 Series
Body Style 2 Door Convertible 4 Door Sedan
Suspension
Suspension Type - Rear (Cont.) w/Stabilizer bar NA
Shock Absorber Diameter - Rear (mm) - TBD - - TBD -
Suspension Type - Front Independent Double Wishbone Double Pivot
Stabilizer Bar Diameter - Rear (in) - TBD - - TBD -
Suspension Type - Front (Cont.) w/Stabilizer bar NA
Shock Absorber Diameter - Front (mm) - TBD - - TBD -
Stabilizer Bar Diameter - Front (in) - TBD - - TBD -
Suspension Type - Rear Independent Multi-Link 5-Link
Emissions
EPA Greenhouse Gas Score 5 -
 
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