When we compare the INFINITI Q40's and the Lexus IS 250's specifications and ratings, the INFINITI Q40 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, interior volume and base engine power. The Lexus IS 250 has the advantage in the area of fuel efficiency. Based on this comparison of the INFINITI Q40's and the Lexus IS 250's specifications and ratings, the INFINITI Q40 is a better car than the Lexus IS 250.
INFINITI Q40 vs. Lexus IS 250 Pricing
A used 2015 INFINITI Q40 ranges from $10,225 to $20,507 while a used 2015 Lexus IS 250 is priced between $16,472 to $27,598.
Engine Power and Fuel Efficiency Comparison
For engine performance, the INFINITI Q40’s base engine makes 328 horsepower, and the Lexus IS 250 base engine makes 204 horsepower. The Q40 is rated to deliver an average of 22 miles per gallon, with a highway range of 540 miles. The IS 250 is rated to deliver an average of 24 miles per gallon, with a highway range of 522 miles.This gives the Lexus IS 250 the advantage in fuel efficiency and the INFINITI Q40 the advantage in maximum range. Both models use gasoline.
Passenger Space Comparison
The INFINITI Q40 has the advantage of offering more interior volume, reflected in more front head room, rear head room, rear shoulder room and rear leg room. The Lexus IS 250 has the advantage in the areas of front shoulder room, front leg room and cargo space.