Infiniti reveals diesel models 22 February 2010 by Parkers V6 diesel for two SUV models Engine will also be used in forthcoming executive saloon Models on sale this summer New luxury brand Infiniti is ramping up development of new models to appeal to company car drivers. The luxury arm of Nissan has announced details of a diesel engine which will be launched this summer in the EX and FX SUV models. The 3.0-litre V6 diesel will also be fitted to the firm's new M executive saloon in September. The new engine delivers 238bhp and comes with a seven-speed automatic gearbox as standard. CO2 emissions in the EX30d are 224g/km and 240g/km in the larger FX30d. The latter figure puts the FX30d into the highest 35% benefit-in-kind tax band, while the EX version will be taxed at 33% of its P11D price. However, the figures are an improvement on the current petrol-only models, which emit at least 265g/km. Expect much lower CO2 emissions when the M30d model goes on sale in September.