Last week, Ford cut prices on both the hybrid and plug-in hybrid versions of its 2016 Ford Fusion mid-size sedan.

This week, the company is cutting costs for consumers in a different way: doubling its incentives to help dealers move out the last of its 2014 Ford C-Max compact tall wagons.

DON'T MISS: 2016 Ford Fusion Hybrid & Energi Models To Get $900 Price Cut

According to CarsDirect, Ford has added a "rare combination of rebates and special discounts" to both the C-Max Hybrid and C-Max Energi.

The sums add up quickly, in some cases approaching one-fifth of the vehicles' total sticker prices.

2014 Ford C-Max

2014 Ford C-Max

On the 2014 C-Max Hybrid, for instance, Ford has added an additional $1,000 "bonus cash incentive" to a sum total of almost $3,500 in existing discounts.

That cuts the price of last year's conventional hybrid C-Max by up to 18 percent, depending on trim level. The 2014 model is virtually identical to the 2015 version.

But it's the plug-in hybrid C-Max Energi that really gets the big bucks: Ford has doubled its bonus cash from $2,000 to $4,000.

ALSO SEE: 2015 Ford C-Max Ads To Downplay Twice-Cut Gas Mileage, Focus On Fun, Tech

That's on top of existing discounts that total less than those of the hybrid, or $1,750 according to CarsDirect.

Still, that takes the total cash for the plug-in C-Max to $5,750--which represents a discount of 17.7% off the base price of a 2014 C-Max Energi SEL.

2013 Ford C-Max Energi plug-in hybrid, Marin County, CA, Nov 2012

2013 Ford C-Max Energi plug-in hybrid, Marin County, CA, Nov 2012

And the C-Max Energi also qualifies for a Federal income-tax credit of $4,007.

California buyers are also eligible for a $1,500 clean-vehicle purchase rebate.

MORE: Ford Cuts MPG On 6 Models: What You Need To Know, Open Questions (Jun 2014)

Over the two years Ford's four hybrids have been on sale, the C-Max started out strong with the Fusion logging fewer sales.

But since a pair of gas-mileage rating cuts for the C-Max (from 47 mpg to 43 mpg, then to 40 mpg, for the Hybrid), it's fallen below the Fusion in total sales.

2015 Ford C-Max Hybrid

2015 Ford C-Max Hybrid

That means a supply of last year's models remain on dealer lots.

The program expires on March 31, and stocks are dwindling, so if you're in the market for a C-Max and don't mind the 2014 model year, act fast.

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