Some chrome trimmings on the 2004 model use matte finish to distinguish from the polished shiny finish on earlier models. The 2004 model features dual tail pipes instead of the single pipe in earlier models, side curtain airbags, new head lights and tail lights, and new wheels. The 2004 model is credited for a top speed of 137 mph, and a 0-60 time of 7.1 seconds. The 2004 model received an additional 5 hp (4 kW). In the 2003 model, the engine was improved to produce 20 hp (15 kW) more power than the 2002 model and wheel designs were updated. The United States Environmental Protection Agency estimates 23 mpg ‑US (10 L/100 km 28 mpg ‑imp) highway and 17 mpg ‑US (14 L/100 km 20 mpg ‑imp) city. The 2003 model was rated as Ultra Low Emission Vehicle. Since 2005, the navigation system featured information from Zagat about restaurants and other points of interest. The navigation option comes with a rear view video camera since the 2003 model. Both could be ordered at the same time since the 2003 model. The navigation system and DVD entertainment system options were mutually exclusive in the 2002 model. The Honda CR-V system waits for slippage to occur and then sends power back. It is different than the real time AWD system in the Honda CR-V in that it can lock and it attempts to predict when traction will be lost and apply power to all four wheels before slippage occurs (by monitoring throttle inputs).
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The VTM-4 AWD system in the MDX has the same design as the VTM-4 systems found in the Honda Pilot and Honda Ridgeline. To reduce drivetrain noise and increase fuel efficiency, the system runs as front wheel drive during normal cruising. Additionally, the system offers a lock mode which can be activated and operated at low speeds and provides permanent 4wd and the equivalent of a locked rear differential designed for climbing steep hills and getting out of stuck situations.
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The vehicle features an automatic four wheel drive system (named VTM-4) that engages during off the line acceleration as well as when wheel slippage is detected.
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The vehicle is designed to hold 7 passengers, but the third row seats are small and only seat two, in contrast to the Odyssey and Pilot whose third row holds three passengers. The cargo floor can flip up to provide two additional seats.