Compare 2009 BMW X3 vs 2008 Acura RDX

2009 BMW X3
2008 Acura RDX
Add Vehicle
Select style
AWD 4-Door xDrive30i
Style MPG City MPG Hwy Invoice MSRP
AWD 4-Door xDrive30i 16 23 $36,525 $39,700
Select style
4WD 4-Door
Style MPG City MPG Hwy Invoice MSRP
4WD 4-Door 17 22 $30,521 $33,195
4WD 4-Door Tech Pkg 17 22 $33,731 $36,695
Pricing
Invoice Price
$36,525
$30,521
Manufacturer Suggested Retail Price
$39,700
$33,195
Monthly Payment Estimate
$662 / month
$553 / month
The Car Connection's Take
TCC Rating
7.8
8.8
TCC’s Bottom Line
The 2009 BMW X3 is a more rugged alternative to a sport wagon—but it’s not nearly as much fun to drive. The 2008 Acura RDX gets its edge from turbo power and crisp handling, but it can feel a little nervous and cramped.
TCC Likes
TCC Dislikes
Fuel Economy
City
16 mpg 17 mpg
Highway
23 mpg 22 mpg
Vehicle
EPA Classification
4WD Sport Utility Vehicle 4WD Sport Utility Vehicle
Interior Dimensions
Second Head Room (in)
39.4 38.3
Second Shoulder Room (in)
55.0 56.3
Front Leg Room (in)
40.2 41.8
Passenger Volume (ft³)
90.1 101.4
Front Hip Room (in)
- TBD - 54.4
Second Leg Room (in)
35.8 37.7
Front Head Room (in)
39.3 38.7
Passenger Capacity
5 5
Second Hip Room (in)
- TBD - 53.0
Front Shoulder Room (in)
55.6 58.2
Exterior Dimensions
Min Ground Clearance (in)
8.0 6.3
Length, Overall (in)
179.9 180.7
Rear Door Opening Width (in)
- TBD - - TBD -
Height, Overall (in)
65.9 65.2
Liftover Height (in)
- TBD - - TBD -
Track Width, Rear (in)
60.7 62.6
Wheelbase (in)
110.1 104.3
Rear Door Opening Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
73.0 73.6
Track Width, Front (in)
60.0 61.9
Cargo Area Dimensions
Cargo Volume to Seat 1 (ft³)
71.0 60.6
Cargo Area Length @ Floor to Seat 3 (in)
NA NA
Cargo Volume to Seat 3 (ft³)
NA NA
Cargo Box Width @ Wheelhousings (in)
- TBD - - TBD -
Cargo Area Length @ Floor to Seat 2 (in)
- TBD - - TBD -
Cargo Volume to Seat 2 (ft³)
30.0 28.8
Cargo Area Width @ Beltline (in)
- TBD - - TBD -
Cargo Box (Area) Height (in)
- TBD - - TBD -
Cargo Area Length @ Floor to Seat 1 (in)
- TBD - - TBD -
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)
12.6 x - TBD - 12.0 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)
12.8 x - TBD - 11.7 x - TBD -
Fuel Tank
Fuel Tank Capacity, Approx (gal)
17.7 18.0
Steering
Steering Ratio (:1), Overall
18.9 15.1
Turning Diameter - Curb to Curb (ft)
38.4 39.2
Steering Type
Pwr Rack & Pinion Variable Pwr
Lock to Lock Turns (Steering)
- TBD - 2.76
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Tires
Front Tire Size
P235/55HR17 P235/55R18
Spare Tire Size
Compact T165/80D17
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P235/55HR17 P235/55R18
Rear Tire Order Code
NA NA
Trailering
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA NA
Dead Weight Hitch - Max Tongue Wt. (lbs)
350 150
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
3500 1500
Weight Information
Base Curb Weight (lbs)
4012 3924
Wheels
Spare Wheel Size (in)
Compact Compact
Rear Wheel Material
Alloy Alloy
Rear Wheel Size (in)
17 x 8.0 18 x 7.5
Front Wheel Material
Alloy Alloy
Spare Wheel Material
Steel Steel
Front Wheel Size (in)
17 x 8.0 18 x 7.5
Cooling System
Total Cooling System Capacity (qts)
- TBD - 9.6
Electrical
Maximum Alternator Capacity (amps)
150 105
Cold Cranking Amps @ 0° F (Primary)
- TBD - 440
Engine
Fuel System
- TBD - PGM-FI
SAE Net Torque @ RPM
225 @ 2750 260 @ 4500
Engine Order Code
NA NA
Displacement
3.0L/183 2.3L/140
SAE Net Horsepower @ RPM
260 @ 6600 240 @ 6000
Engine Type
Gas I6 Gas I4
Mileage
Fuel Economy Est-Combined (MPG)
19 -
EPA Fuel Economy Est - Hwy (MPG)
23 22
EPA Fuel Economy Est - City (MPG)
16 17
Transmission
Final Drive Axle Ratio (:1)
3.73 4.53
Fourth Gear Ratio (:1)
1.23 0.77
Trans Description Cont.
Manual w/OD Automatic w/OD
Transfer Case Gear Ratio (:1), Low
- TBD - -
Sixth Gear Ratio (:1)
0.85 NA
First Gear Ratio (:1)
4.35 2.70
Clutch Size (in)
- TBD - NA
Third Gear Ratio (:1)
1.66 1.07
Trans Type
6 5
Transfer Case Gear Ratio (:1), High
1.00 -
Drivetrain
All Wheel Drive 4 Wheel Drive
Fifth Gear Ratio (:1)
1.00 0.61
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.93 1.89
Second Gear Ratio (:1)
2.50 1.61
Trans Order Code
NA NA
Summary
Body Style
4 Door 4 Door
Vehicle Name
BMW X3 Acura RDX
Suspension
Stabilizer Bar Diameter - Front (in)
- TBD - 0.83
Suspension Type - Rear
Independent Independent
Suspension Type - Rear (Cont.)
Central Link Multilink
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Independent Independent
Stabilizer Bar Diameter - Rear (in)
- TBD - 0.75
Suspension Type - Front (Cont.)
Double-Pivot MacPherson Strut
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Emissions
EPA Greenhouse Gas Score
5 -

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