Specifications Comparison: 2015 Nissan Altima vs 2021 Mazda 6

Curb Weight

Trim	Engine	Drive train	Curb Weight	Horsepower	Weight / Horsepower Ratio
	2.5L I4	FWD	3,108 lbs.	182 hp	17.1 lbs/hp
S	2.5L I4	FWD	3,114 lbs.	182 hp	17.1 lbs/hp
S	3.5L V6	FWD	3,295 lbs.	270 hp	12.2 lbs/hp
SL	2.5L I4	FWD	3,187 lbs.	182 hp	17.5 lbs/hp
SL	3.5L V6	FWD	3,355 lbs.	270 hp	12.4 lbs/hp
SV	2.5L I4	FWD	3,121 lbs.	182 hp	17.1 lbs/hp
SV	3.5L V6	FWD	3,323 lbs.	270 hp	12.3 lbs/hp

Trim	Engine	Drive train	Curb Weight	Horsepower	Weight / Horsepower Ratio
Mazda Carbon Edition	2.5L I4	FWD	3,582 lbs.	227 hp	15.8 lbs/hp
Mazda GT	2.5L I4	FWD	3,582 lbs.	227 hp	15.8 lbs/hp
Mazda GT Reserve	2.5L I4	FWD	3,582 lbs.	227 hp	15.8 lbs/hp
Mazda Signature	2.5L I4	FWD	3,582 lbs.	227 hp	15.8 lbs/hp
Mazda Sport	2.5L I4	FWD	3,437 lbs.	187 hp	18.4 lbs/hp
Mazda Touring	2.5L I4	FWD	3,437 lbs.	187 hp	18.4 lbs/hp