Compare 2011 BMW Z4 vs 2010 Mazda RX-8

2011 BMW Z4
2010 Mazda RX-8
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2-Door Roadster sDrive30i
Style MPG City MPG Hwy Invoice MSRP
Z4 2-Door Roadster sDrive30i 18 28 $43,655 $47,450
Z4 2-Door Roadster sDrive35i 19 26 $49,080 $53,350
Z4 2-Door Roadster sDrive35is 17 24 $57,500 $62,500
Select style
4-Door Coupe Automatic Grand Touring
Style MPG City MPG Hwy Invoice MSRP
RX-8 4-Door Coupe Automatic Grand Touring 16 23 $30,350 $32,810
RX-8 4-Door Coupe Automatic Sport 16 23 $24,664 $26,645
RX-8 4-Door Coupe Manual Grand Touring 16 22 $29,704 $32,110
RX-8 4-Door Coupe Manual R3 16 22 $29,732 $32,140
RX-8 4-Door Coupe Manual Sport 16 22 $24,664 $26,645
Pricing
Invoice Price
$43,655
$30,350
Manufacturer Suggested Retail Price
$47,450
$32,810
Monthly Payment Estimate
$791 / month
$547 / month
The Car Connection's Take
TCC Rating
7.8
7.6
TCC’s Bottom Line
The 2011 BMW Z4 is an exhilarating sports car, and one of the better choices for touring, but next to other roadsters it's pricey. The 2010 Mazda RX-8 is one of the few true track-ready sports cars you can get that actually has a backseat; the RX-8 is practical, but not too much so.
TCC Likes
TCC Dislikes
Fuel Economy
City
18 mpg 16 mpg
Highway
28 mpg 23 mpg
Vehicle
EPA Classification
Two-Seater Sub-compact
Interior Dimensions
Front Leg Room (in)
42.2 42.7
Passenger Capacity
2 4
Front Hip Room (in)
- TBD - 53.3
Front Head Room (in)
39.1 36.7
Front Shoulder Room (in)
53.3 54.8
Passenger Volume (ft³)
- TBD - 89.0
Second Shoulder Room (in)
- 54.9
Second Leg Room (in)
- 32.2
Second Hip Room (in)
- 48.1
Second Head Room (in)
- 36.5
Exterior Dimensions
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
70.5 69.7
Track Width, Front (in)
59.5 59.1
Min Ground Clearance (in)
- TBD - 4.7
Length, Overall (in)
167.0 175.6
Height, Overall (in)
50.8 52.8
Track Width, Rear (in)
61.4 59.3
Wheelbase (in)
98.3 106.3
Cargo Area Dimensions
Trunk Volume (ft³)
10.9/6.4 7.6
Brakes
Rear Brake Rotor Diam x Thickness (in)
11.8 x 0.8 11.9 x - TBD -
Brake Type
Pwr-Assisted Pwr
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13.0 x 0.9 12.7 x - TBD -
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)
14.5 16.9
Steering
Steering Type
Pwr Rack & Pinion Pwr rack & pinion
Lock to Lock Turns (Steering)
3.0 2.99
Turning Diameter - Wall to Wall (ft)
- TBD - 37.4
Steering Ratio (:1), Overall
14.4 16.4
Turning Diameter - Curb to Curb (ft)
35.1 34.8
Tires
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P225/45R17 P225/45R18
Rear Tire Order Code
NA NA
Front Tire Size
P225/45R17 P225/45R18
Trailering
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
Dead Weight Hitch - Max Tongue Wt. (lbs)
NA NA
Weight Information
Base Curb Weight (lbs)
3241 3111
Wheels
Rear Wheel Material
Alloy Aluminum
Rear Wheel Size (in)
17 x 8.0 18 x 8.0
Front Wheel Material
Alloy Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
17 x 8.0 18 x 8.0
Spare Wheel Size (in)
NA NA
Cooling System
Total Cooling System Capacity (qts)
- TBD - 10.4
Electrical
Maximum Alternator Capacity (amps)
147 110
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Engine
SAE Net Horsepower @ RPM
255 @ 6600 212 @ 7500
Engine Type
Gas I6 Gas Rotary
Fuel System
Electronic Fuel Injection MPFI
SAE Net Torque @ RPM
220 @ 2600 159 @ 5500
Engine Order Code
NA NA
Displacement
3.0L/183 1.3L/80
Mileage
EPA Fuel Economy Est - City (MPG)
18 16
Fuel Economy Est-Combined (MPG)
22 19
EPA Fuel Economy Est - Hwy (MPG)
28 23
Transmission
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.19 3.17
Second Gear Ratio (:1)
2.01 2.06
Trans Order Code
NA NA
Final Drive Axle Ratio (:1)
4.27 4.30
Fourth Gear Ratio (:1)
1.00 1.00
Trans Description Cont.
Manual Automatic w/OD
Sixth Gear Ratio (:1)
0.70 0.58
First Gear Ratio (:1)
3.50 3.54
Clutch Size (in)
- TBD - NA
Third Gear Ratio (:1)
1.31 1.40
Trans Type
6 6
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
0.81 0.71
Summary
Body Style
2 Dr Conv 4 Door Coupe
Vehicle Name
BMW Z4 Mazda RX-8
Suspension
Suspension Type - Rear (Cont.)
NA NA
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Strut-Type Double Wishbone
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
w/Double-Pivot NA
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
Central Link Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
8.5 9.8
EPA Greenhouse Gas Score
5 4

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