When it comes to premium sedan sales, fuel economy is paramount for getting customers to check the diesel option. That’s why Mercedes broke step from the six-cylinder standard, fitting a 195hp 2.1L four-cylinder to its mainstream E250 sedan. Generous torque ensures the E250 can sprint with urban traffic and cruise effortlessly, but it’s also why high-speed acceleration around big rigs on rural highways can only be considered “adequate.” The real payoff is at the fuel pump, where the E250 typically returns 30 mpg or more in daily use and can hit the low 40s if carefully driven on highways. Call it Volkswagen Passat–like mileage with Mercedes luxury.
The engine's lusty 369 lb-ft of torque make effortless work of maintaining set cruise-control speeds without constantly pestering the seven-speed ...MotorTrend
Even if your E250 BlueTec never hits 45 mpg, you'll be plenty pleased to get 700 to 800 miles of range in such a big, comfortable car that at least ...MotorTrend