Utility
Neither the Saturn Aura Hybrid nor the Mazda has a marked advantage as far as seating capacity.
Performance
In terms of horsepower, the Mazda packs quite a wallop and will knock the Aura Hybrid down a few rungs. On the flip side, remember that high horsepower engines often command higher insurance premiums.
Dimensions
Your wallet will hurt more every time you fill up the MAZDA6 than the Saturn Aura Hybrid because of its larger tank.
The Saturn Aura Hybrid and the Mazda MAZDA6 compete for the same parking spaces.
Convenience
The Mazda MAZDA6's fuel tank will need to be replenished more often than the unit in the Saturn.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs approximately the same to get the Mazda MAZDA6 to the dealership as the Saturn Aura Hybrid.
The Saturn will save you money at the pump compared to the Mazda MAZDA6.
With respect to fuel economy, the Aura Hybrid bests the Mazda MAZDA6.
The Saturn Aura Hybrid isn't much more expensive than the Mazda as far as MSRP.
The Mazda MAZDA6 will cost you a lots_of_money in gas every year compared to the Saturn Aura Hybrid.
Handling
With its tighter turning radius, the Mazda MAZDA6 is most certainly sprier than the Saturn, something to consider if you do a lot of city driving; however, remember that a vehicle with a tight turning circle may feel a bit twitchy on the highway.
Drivetrain
The Mazda MAZDA6's engine isn't much more massive than the Aura Hybrid's.
Comfort
The Mazda MAZDA6 is not particularly roomier for your passengers than the Saturn.
Overview
The MAZDA6 and the Saturn have the same basic warranty.