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2009 Acura MDX Base

The 2009 Acura MDX Base is a 300-hp 3.7-liter SUV with a 5-speed automatic and all-wheel drive. It starts at $40,990 MSRP and is rated at 17 mpg combined.

It makes 300 horsepower at 6,000 rpm and 275 lb-ft of torque at 5000 rpm, spinning to a 6,500 rpm redline. EPA fuel-economy estimates are 15 mpg city and 20 mpg highway (17 mpg combined).

The MDX measures 190.7 inches long on a 108.3-inch wheelbase and has a curb weight of 4,548 lb.

Spec Value
Vehicle
Body TypeSUV
PowertrainGas
Price
MSRP$40,990 ($62,106 *)
Engine
Engine Type3.7-liter SOHC 24-valve VTEC V-6
Displacement3.7 L
Horsepower300 hp @ 6,000 rpm
Torque275 lb-ft @ 5000 rpm
Redline6,500 rpm
ValvetrainSOHC, 24-valve, VTEC
Bore and Stroke90 x 96 mm (3.4 x 3.8 in)
Compression Ratio11.0:1
Injection TypePGM-FI multi-point injection, Drive-By-Wire throttle
Drivetrain
Drive TypeAWD (SH-AWD)
Transmission
Transmission5-speed automatic with Sequential SportShift and Grade Logic Control
1st Gear2.697 (46 mph **)
2nd Gear1.606 (77 mph **)
3rd Gear1.071 (116 mph **)
4th Gear0.766 (162 mph **)
5th Gear0.538 (230 mph **)
Reverse1.889
Final Drive4.533
Fuel Economy
City15 MPG
Highway20 MPG
Combined17 MPG
Recommended FuelPremium unleaded
Tank Capacity21 gal
Suspension
Front SuspensionIndependent MacPherson strut
Rear SuspensionIndependent multi-link with trailing arm
Brakes
Front Brake DiscVentilated, 13.0" (330 mm) diameter, dual-piston caliper
Rear Brake Disc13.2" (334 mm) diameter, drum-in-disc
Tires & Wheels
Wheels Front18" x 8J cast alloy
Wheels Rear18" x 8J cast alloy
Tires FrontP255/55R18 all-season
Tires RearP255/55R18 all-season
Dimensions & Weight
Length190.7 in
Width78.5 in
Height68.2 in
Wheelbase108.3 in
Front Track67.7 in
Rear Track67.5 in
Ground Clearance8.15 in
Approach Angle28°
Departure Angle22.9°
Cargo Volume83.5 ft³
Curb Weight4,548 lbs
Weight Distribution (F/R)56% / 44%
Interior
Headroom Front39.2 in
Headroom Rear38.6 in
Legroom Front41.2 in
Legroom Rear38.7 in
Shoulder Room Front61.6 in
Shoulder Room Rear61.5 in
Hip Room Front59 in
Hip Room Rear59.1 in
* Amount adjusted for inflation to 2026 dollars
** Theoretical max speed per gear at redline

Safety & Recalls

NCAP safety ratings

Overall Not rated
Frontal crash Not rated
Frontal – driver ★★★★★
Frontal – passenger ★★★★★
Side crash Not rated
Rollover ★★★★★ (14.0 % risk)
Tested variant: 2009 Acura MDX 4-DR. w/SAB

Recalls

No recalls on file with NHTSA for the 2009 Acura MDX.

52 owner complaints to NHTSA for the 2009 Acura MDX

Owner Complaints

52 owner complaints filed with NHTSA for the 2009 Acura MDX (4 mention a crash, 1 a fire, 6 an injury). See all on nhtsa.gov

Most-cited areas
Electrical System18
Engine8
Power Train8
Exterior Lighting6
Vehicle Speed Control5
Air Bags4
A complaint can cite more than one area.
Most recent complaints
Jul 30, 2026 · Tires
“No major incidents, hits, or bumps no off roading only drove on city roads and highways. Tread and all rubber on the outside half of the tire has completely seperated from the inner tire on a section.”
Jul 21, 2026 · Electrical System
“Odometer Fraud. The contact purchased a 2009 Acura MDX. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of the purchase, the mileage was 117,500. At…”
Jan 30, 2025 · Air Bags 1 injury
“On Jan 21, 2025 the drivers side air bag deployed as I was driving. I did not hit or get hit by anyone or anything, I did not run over anything either the airbag deployed on drivers side from the…”
Jun 24, 2024 · Power Train, Electrical System, Exterior Lighting
“I just got this car in September and it is now throwing all kinds of different codes to the point where I can’t drive it sh-awd /check charging station / emission light etc”
Jul 6, 2022 · Power Train, Electrical System, Engine
“While driving vehicle, all power shut off after all lights(airbag, tire, engine, etc. came on the dashboard) not able to start vehicle now at all. Has power but will not run, turn over, stay running…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2009 ACURA MDX. US-market vehicles only; data cached for up to 7 days.

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