The 2010 Mazda 6 i versions are powered by a 2.5-liter four-cylinder engine that produces 170 horsepower and 167 pound-feet of torque. A six-speed manual transmission is standard on the i SV, i We’re testing the Mazda 6 estate fitted with the 177bhp, 2.2-litre diesel engine, which is the most powerful unit in the range and is only available with a six-speed manual ‘box. The most 130-135/89-91 kW-hrs/100 mi. CO2 emissions. 0.64-0.66 lb/mi. On sale in U.S. Currently. The base model 2014 Mazda6 proved the most impressive, thanks in large part to the Mazda6 Sport's standard R 289 900. Mazda has made significant gains since its separation from Ford in the early 2010s. The Hiroshima-based brand's CX-3 and CX-5 models gained notable market share due to reliable naturally aspirated engines and premium interior quality. The exterior design of both these SUVs has been lauded by the buying public. Subaru had three lawsuits claiming an engine defect in 2012-2017 WRX and WRX STI models equipped with the EJ25 2.5-liter turbocharged four-cylinder engine. Subaru of America settled the lawsuit The diesel-powered Mazda6 really delivers on the torque that I've always felt was missing from our car's naturally-aspirated 2.5-liter I-4, which produces 184 hp and 185 lb-ft of torque. Even Fuel consumption has actually risen slightly on average: 6.9 litres per 100km for the 2.0, 7.5 litres for the 2.5 and 6.0 litres for the 2.2 diesel. Mazda says this is a consequence of the same Top Gear reviews the Mazda 6. The handsome-looking, sharp-driving saloon. MAZDA6 Diesel Saloon (2018) specifications for each derivative; Title 0-62 CO2 BHP MPG Price; Mazda 6 2.2d SE-L Nav+ Jmapha0.