Fuel Economy and Driving Range
Fuel Economy and Driving Range Rating:
Being the tallest and most SUV-like crossover in this segment means the gas-powered NX isn’t as efficient as its lower-slung rivals. The hybrid powertrain nets considerable gains at the pump, but its acceleration performance is hindered by its weaker horsepower output.
What’s New for 2018?
Although it has changed in name for 2018, the NX300 (formerly NX200t) sees no changes in its EPA fuel-economy ratings. The NX300h hybrid also sees its estimates holding steady for 2018; we had a chance to put one through our real-world highway fuel-economy test, where it outperformed the EPA’s estimate by 2 mpg.
Test Results: Highway Fuel Economy
Test Results: Highway Range
2017 Lexus NX
Base NX200t models have front-wheel drive and earn EPA ratings of 22 mpg city and 28 mpg highway. Add the F Sport package (which we suggest) and all-wheel drive, and the city rating stays the same while highway fuel economy drops to 27 mpg. Mercedes-Benz’s GLA250 and BMW’s X1 both beat the NX200t with higher city and highway ratings either in front- or all-wheel-drive guise. The NX300h, the segment’s only hybrid offering, is the most efficient in the lineup, with ratings of 33 mpg city and 30 mpg highway.
Fuel Economy Ratings Compared
We’ve devised our own fuel economy test in an attempt to replicate how most people drive on the highway. Our procedure entails a 200-mile out-and-back loop on Michigan’s I-94 highway. We maintain a GPS-verified 75 mph and use the cruise control as much as possible to mimic the way many drivers behave during long trips.
We took a NX200t F Sport with all-wheel drive on this highway fuel-economy loop, and it matched its EPA rating of 27 mpg. However, the Mercedes-Benz GLA250 outperformed its highway rating by 3 mpg and impressed us with a 34-mpg result.
Test Results: Highway Fuel Economy
Despite its 27-mpg real-world highway fuel economy, the NX200t’s 15.9-gallon fuel tank should result in a cruising range of 430 miles, 70 miles less of a trip than the Mercedes-Benz GLA250 can take.
Test Results: Highway Range
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