2010 Navigator Base Sport Utility Vehicle Performance Review
* 5,408 cc 5.4 liters V 8 front engine with 90.2 mm bore, 105.9 mm stroke, 9.8 compression ratio, overhead cam, variable valve timing/camshaft and three valves per cylinder 995
* E85 fuel with additional unleaded alcohol
* Multi-point injection fuel system
* 28.0 gallon main E85 fuel tank 23.3
* Power: 231 kW , 310 HP SAE @ 5,100 rpm; 365 ft lb , 495 Nm @ 3,600 rpm
* Secondary fuel economy: US std - highway - mpg 17 and US std - city - mpg 12 ; 14.