Cost to Fill the Tank. $62. Tank Size. 18.0 gallons. *Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize. MSRP and tank size data provided by Edmunds.com, Inc. Range on a tank and refueling costs assume 100% of fuel in tank will be used before refueling. 2004 Mazda 6. Mazda 6 I Hatchback (Typ GG/GY/GG1 facelift 2005) 3.0 V6 (212 Hp) Automatic Hatchback 2006 2007 2008 | Technical Specs, Fuel consumption, Dimensions, 212 Hp, Petrol (Gasoline), 1552 kg, 5 Doors With a fuel consumption of 33.6 mpg US - 40.3 mpg UK - 7.0 L/100km, a weight of 2998 lbs (1360 kg), the Mazda Atenza 2.0 Sedan 20E has a water cooling 4 cylinder DOHC16 valve engine, a Regular gasoline engine LF-VE. This engine LF-VE produces a maximum power of 152 PS (150 bhp - 111.8 kW) at 6500 rpm and a maximum torque of 182.4 Nm (134.5 lb RHiO.