Hyundai Uses a Turbo and a Dual-clutch Transmission to Push Sonata to 38 MPG HWY
June 20, 2014 7:59 AM
comment(s) - last by
Hyundai goes high tech to reach mainstream fuel economy numbers
may have been burned back in 2011
for fudging the numbers when it comes to fuel economy, but the company is doing its best to show that it can still make fuel efficient vehicles with the next generation Sonata.
While the 2015 Sonata was
first unveiled back in April
at the New York Auto Show, the newly announced Eco model will carry the crown as the most efficient trim level for the Sonata (at least until the new hybrid variant arrives). The Sonata Eco uses a 1.6-liter turbocharged four-cylinder engine that generates 177hp and 195 lb-ft of torque.
Instead of going with a traditional “slush box” transmission, the engine is paired with a 7-speed dual-clutch transmission (DCT), which Hyundai says is a first in the mainstream midsize sedan market.
When the numbers are added up, the Sonata Eco will deliver 28 mpg in the city, 38 mpg on the highway, and 32 mpg combined. This represents a 10 percent improvement over the 2015 Sonata SE with its 2.4-liter, 185hp engine.
It should be noted that
are able to achieve similar fuel economy to the Sonata Eco with more powerful, less complex engines in the Altima and 6 respectively. Both competitors also used tried and true transmissions (a CVT for the Altima, and a 6-speed automatic for 6) instead of a more complex (and often times “jerky” at low speeds) DCT.
The 2015 Sonata Eco will have a base price of $23,275 with the only option being a $4,100 Technology Package which includes such niceties as Blind Spot Detection, Rear-cross Traffic Alert, Lane Change Assist, push-button start, dual-zone automatic climate control, 8” navigation screen, and a hands-free auto open trunk.
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RE: Now lets
6/20/2014 3:17:13 PM
That is pretty impressive, especially on 87 pump gas. I wonder what the torque curve looks like since it's a single turbo, though. It might feel very sluggish unless the chassis went on a diet.
Without substantial weight loss, they need tech to compete with the Mazda 6. Too bad nobody is doing both, although personally, I like Mazda's approach the best.
RE: Now lets
6/22/2014 7:15:18 AM
I've driven the Veloster with the 1.6 turbo. It pushes 201 hp on 87 octane gas in a lighter car.
The torque shows up early on but runs gets pretty limp when it hits the higher revs closer to redline. You have to keep the revs max a little over mid-level to get the most power out of it.
Putting a cooler version of this motor in the heavier sonata will not be as responsive. The 2.0L turbo in the earlier sonatas feels a lot more satisfying.
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