Mazda 6 Combi measures between 4700 mm (185.04 in.) and 4765 mm (187.6 in.) in length, 1780 mm (70.08 in.) and 1795 mm (70.67 in.) in width, and 1480 mm (58.27 in.) and 1490 mm (58.66 in.) in height, depending on the modification. The Sport Combi is slightly longer and wider, with dimensions of 4800 mm (188.98 in.) x 1840 mm (72.44 in.) x 1480 mm (58.27 in.).
Mazda 6 Sedans are between 4680 mm (184.25 in.) and 4895 mm (192.72 in.) long, depending on the modification.
Ground clearance depends on the variant, and can be 130 mm (5.1 in.), 140 mm (5.5 in.), 150 mm (5.9 in.), 163 mm (6.4 in.), or 165 mm (6.5 in.).
Both diesel and petrol ranges offer fuel efficient options, with the former generally being on the lower end of consumption. Fuel economy figures of diesel variants are between 3.9 l/ 100 km (60.31 mpg) (Mazda 6 III Sedan (GJ, facelift 2015) 2.2 SKYACTIV-D (150 Hp) i-ELOOP) and 6.6 l/ 100 km (35.64 mpg) (Mazda 6 I Combi (Typ GG/GY/GG1) 2.0 CD (121 Hp)) and of petrol – between 5.5 l/ 100 km (42.77 mpg) (Mazda 6 III Sedan (GJ) 2.0 SKYACTIV-G (145 Hp)) and 10.8 l/ 100 km (21.78 mpg) (Mazda 6 I Combi (Typ GG/GY/GG1) 2.3 (162 Hp) AWD Automatic).
A 2018 facelift Mazda 6 vehicle can be equipped with a 2.2-liter (2191 cm3/ 133.7 cu. in.) diesel or a 2.0- (1998 cm3/ 121.93 cu. in.) or 2.5-liter (2488 cm3/ 151.83 cu. in.) petrol engine.
In the first generation Mazda 6 range, 2.0 petrol variants deliver power of 141 Hp and 181 Nm of torque, which, in the 2005 facelift, was increased to 147 Hp and 184 Nm of torque.
Second generation Mazda 6 cars, equipped with the 2.0 petrol engines, have an output of 155 Hp and 193 Nm of toque.
In the third generation, both pre-facelift and facelift range, 2.0 petrol motors deliver either 145 Hp and 210 Nm of torque or 165 Hp and 210 Nm of torque, depending on the modification.
The maximum speed a 2012 Mazda 6 can reach is 223 km/h (138.57 mph), delivered by the 2.2 SKYACTIV-D (175 Hp) i-ELOOP and 2.5 SKYACTIV-G (192 Hp) i-ELOOP Automatic variants.