2011 BMW Z4 2-Door Roadster sDrive30i Specs

2-Door Roadster sDrive30i
MSRP based on 2-Door Roadster sDrive30i

Quick Specs

Gas Mileage 18 mpg City/28 mpg Hwy
Engine Gas I6, 3.0L
EPA Class Two-Seater
Style Name Roadster
Drivetrain Rear Wheel Drive
Passenger Capacity 2
Passenger Doors 2
Body Style Convertible
Transmission 6-speed manual transmission


EPA Classification Two-Seater
Weight Information
Base Curb Weight (lbs) 3241
Interior Dimensions
Front Shoulder Room (in) 53.3
Front Head Room (in) 39.1
Passenger Capacity 2
Front Hip Room (in) - TBD -
Front Leg Room (in) 42.2
Passenger Volume (ft³) - TBD -
Exterior Dimensions
Min Ground Clearance (in) - TBD -
Track Width, Front (in) 59.5
Width, Max w/o mirrors (in) 70.5
Liftover Height (in) - TBD -
Wheelbase (in) 98.3
Track Width, Rear (in) 61.4
Height, Overall (in) 50.8
Length, Overall (in) 167.0
Cargo Area Dimensions
Trunk Volume (ft³) 10.9/6.4

Fuel Economy

Fuel Tank
Fuel Tank Capacity, Approx (gal) 14.5
EPA Fuel Economy Est - Hwy (MPG) 28
Fuel Economy Est-Combined (MPG) 22
EPA Fuel Economy Est - City (MPG) 18

Performance Specs

SAE Net Horsepower @ RPM 255 @ 6600
Displacement 3.0L/183
Engine Order Code NA
SAE Net Torque @ RPM 220 @ 2600
Fuel System Electronic Fuel Injection
Engine Type Gas I6
Second Gear Ratio (:1) 2.01
Reverse Ratio (:1) 3.19
Trans Description Cont. Again NA
Fifth Gear Ratio (:1) 0.81
Trans Type 6
Third Gear Ratio (:1) 1.31
Clutch Size (in) - TBD -
Drivetrain Rear Wheel Drive
First Gear Ratio (:1) 3.50
Sixth Gear Ratio (:1) 0.70
Trans Description Cont. Manual
Fourth Gear Ratio (:1) 1.00
Final Drive Axle Ratio (:1) 4.27
Trans Order Code NA
Drum - Rear (Yes or ) NA
Front Brake Rotor Diam x Thickness (in) 13.0 x 0.9
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in) NA
Brake Type Pwr-Assisted
Rear Brake Rotor Diam x Thickness (in) 11.8 x 0.8
Disc - Rear (Yes or ) Yes
Brake ABS System 4-Wheel
Turning Diameter - Wall to Wall (ft) - TBD -
Lock to Lock Turns (Steering) 3.0
Steering Type Pwr Rack & Pinion
Turning Diameter - Curb to Curb (ft) 35.1
Steering Ratio (:1), Overall 14.4
Rear Tire Size P225/45R17
Spare Tire Order Code NA
Front Tire Order Code NA
Spare Tire Size NA
Front Tire Size P225/45R17
Rear Tire Order Code NA
Rear Wheel Material Alloy
Spare Wheel Size (in) NA
Front Wheel Size (in) 17 x 8.0
Spare Wheel Material NA
Front Wheel Material Alloy
Rear Wheel Size (in) 17 x 8.0
Stabilizer Bar Diameter - Front (in) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -
Suspension Type - Front (Cont.) w/Double-Pivot
Stabilizer Bar Diameter - Rear (in) - TBD -
Suspension Type - Front Strut-Type
Shock Absorber Diameter - Rear (mm) - TBD -
Suspension Type - Rear (Cont.) NA
Suspension Type - Rear Central Link

Safety Features

Air Bag-Frontal-Driver No
Air Bag-Frontal-Passenger No
Air Bag-Passenger Switch (On/Off) Yes
Air Bag-Side Body-Front Yes
Air Bag-Side Body-Rear No
Air Bag-Side Head-Front Yes
Air Bag-Side Head-Rear No
Brakes-ABS Yes
Child Safety Rear Door Locks No
Daytime Running Lights Yes
Traction Control Yes
Night Vision No
Rollover Protection Bars Yes
Fog Lamps No
Parking Aid No
Tire Pressure Monitor Yes
Back-Up Camera No
Stability Control Yes
Other Features Cornering Brake Control (CBC)
Dynamic Stability Control (DSC) including Brake Fade...
Daytime running lights
Dual-airbag Supplementary Restraint System -inc: head protection...
Side-impact airbags
Mechanism for disabling the deployment of the front, knee and...
Crash sensor activates Battery Safety Terminal disconnect of...
BMW's Advanced Safety System for integrated deployment of safety...
Automatic safety-belt pretensioners
Tire Pressure Monitor
Active Knee Protection
Emergency trunk release
Rollover Protection System


Basic Miles/km 50,000
Basic Note 4 years/50,000 Maintenance Program
Basic Years 4
Corrosion Miles/km Unlimited
Corrosion Years 12
Drivetrain Miles/km 50,000
Drivetrain Years 4
Maintenance Miles/km 50,000
Maintenance Years 4
Roadside Assistance Miles/km Unlimited
Roadside Assistance Years 4

Other Specs

Cooling System
Total Cooling System Capacity (qts) - TBD -
Cold Cranking Amps @ 0° F (Primary) - TBD -
Maximum Alternator Capacity (amps) 147
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA
Dead Weight Hitch - Max Trailer Wt. (lbs) NA
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA
Dead Weight Hitch - Max Tongue Wt. (lbs) NA
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