Blake Jennings
How do you place EPA mileage numbers to the check? It’s essential purchase a wind tunnel and a lab and get started doing a large science experiment. Or you will discover 20 auto writers, put them in 20 other automobiles, and inform them they are in a competition of potency the place the winner will get bragging rights.
Once a year, the Automotive Reporters Affiliation of Canada does the latter. About 20 of the rustic’s best reporters come to participate in EcoRun, an match the place automakers are invited to convey their best fashions to at least one position for 3 days of preventing to make use of much less.
Previously, it used to be all gasoline and diesel, however because the marketplace has modified, so has the EcoRun lineup. This 12 months, each automobile had some type of electrification, and about part had been absolutely electrical.
EcoRun 2023 had 10 legs. Every motive force swapped to every other automotive on the finish of each and every leg. Intake of gas and electrical energy had been recorded. Rotating 18 drivers during the 18 cars (each and every motive force drove 10 automobiles) cancels out lots of the affect of 1 motive force who does not care about profitable. However these types of auto lovers care about profitable.
Using each automobile at the identical days and the similar course in the similar stipulations ranges the enjoying box nearly in addition to a check mobile. That is why I am calling this the easiest way to turn how one of the best cars available on the market evaluate to their legitimate estimates. Right here they’re, ranked from worst-performing to absolute best, when it comes to their EPA mixed estimates.
Oh, and the entire PHEVs began every day and not using a battery rate. It used to be the easiest way to make it honest and used to be additionally essentially the most consultant of the lengthy highway journeys this match is supposed to simulate.
Toyota Prius High: 48 mpg
When Toyota redesigned the Prius, it in spite of everything made the automobile trendy; there is not any denying the brand new automotive turns heads. Toyota additionally made up our minds to emphasise efficiency over outright potency and gave the Prius High 220 hp (164 kW) and a 2.0L gasoline engine.
The High has an excellent EPA gas economic system determine of 52 miles in line with gallon (4.5 L/100 km), the most efficient of any automobile in this check. However at the highway, the automobile delivered 48.1 mpg (4.9 L/100 km), 7.5 p.c beneath its window decal. High’s absolute best unmarried phase used to be 62 mpg (3.8L/100 km), and its worst used to be 33 mpg (7.1 L/100km).
Hyundai Tucson: 34.5 mpg

Blake Jennings
The Hyundai Tucson provides typical, hybrid, and PHEV drivelines, giving consumers a variety of selection. We had what used to be almost certainly the most efficient one for highway tripping, the Tucson Hybrid, with a 1.6L turbocharged engine and 59 hp (44 kW) electrical motor. The mix makes for 226 hp (169 kW) and 258 lb-ft (350 Nm) of torque. Hyundai makes use of a traditional six-speed computerized (minus a torque converter) for its hybrid power machine, and that makes it really feel a lot more like a gas-only automobile than the standard fairly gentle CVTs utilized in different hybrids.
Pairing a turbocharger with a hybrid motor is unconventional because it provides complexity and price to the machine. Right here it may also remove from the automobile’s gas potency. In opposition to an EPA ranking of 37 mpg (6.4 L/100 km), the Tucson hybrid returned 34.5 (6.8 L/100 km). At 6.7 p.c beneath estimates, it used to be the second one of simply two cars that did not beat the legitimate ranking. Tucson faired worst within the uphill climb sections the place gas economic system dipped to 24 mpg (9.7 L/100 km), a determine extra consistent with the larger SUVs. On flat flooring, it dropped to round 47 mpg (5 L/100 km).