Performance
With respect to horsepower, the Mercury Grand Marquis packs quite a wallop and will knock the Nissan Altima Hybrid down a few rungs. On the flip side, note that high horsepower engines often command higher insurance premiums.
Handling
With their comparable turning circles, the Nissan and the Mercury Grand Marquis most certainly handle about the same into and out of tight spots.
Drivetrain
The Nissan's engine is tremendously smaller than the Mercury Grand Marquis's. Bear in mind that smaller engines can be stressed more; on the flip side, smaller engines typically get better gas mileage.
The Mercury Grand Marquis packs quite a wallop compared to the Nissan Altima Hybrid when it comes to torque, which is roughly equivalent to acceleration.
Utility
The Mercury will quite certainly prove handier than the Nissan Altima Hybrid for those of you with frequent kid-cargo.
Towing is significantly more the Mercury's forte than it is the Nissan Altima Hybrid's.
Convenience
You'll most definitely have to take the Mercury Grand Marquis for a fill-up more often than the Altima Hybrid because of its tank size and gas mileage.
Comfort
Taller drivers will substantially enjoy the extra head room in the Nissan's front cabin compared to the Mercury Grand Marquis.
The Mercury Grand Marquis offers more head- and leg-room to your passengers than the Nissan Altima Hybrid does.
Dimensions
The Mercury Grand Marquis is considerably heavier than the Nissan Altima Hybrid.
The Mercury's tank is roughly the same size as the Altima Hybrid's, though the Nissan's is somewhat bigger.
The Nissan and the Mercury Grand Marquis compete for the same parking spaces.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. The Altima Hybrid is significantly cheaper to get to the dealership than the Mercury Grand Marquis.
The Mercury pales in comparison to the Nissan Altima Hybrid with respect to gas mileage.
Regarding fuel economy, the Altima Hybrid has the Mercury Grand Marquis beat.
When it comes to MSRP, the Nissan doesn't cost much less than the Mercury Grand Marquis.
The Nissan Altima Hybrid will save you a lots_of_money at the pump every year compared to the Mercury Grand Marquis.
The Mercury Grand Marquis will cost you a bundle in gasoline every year compared to the Nissan Altima Hybrid.
Warranty
The Altima Hybrid and the Mercury Grand Marquis have the same basic after-sale protection.