DETROIT – Hyundai reveals two new additions to its Sonata midsize-sedan lineup here today at the 2015 North American International Auto Show.
The first is a next-generation version of the Sonata Hybrid, which Hyundai says delivers 10% better fuel economy than the ’15 model, at 42 mpg (5.6 L/100 km) in combined driving, thanks to upgraded powertrain components including a more powerful electric motor and a larger lithium-ion battery pack.
The ’16 Sonata Hybrid’s electric motor is a 38-kW (51-hp) unit, compared with a 35-kW (47-hp) motor in the outgoing Sonata Hybrid. The car has a 1.62-kWh Li-ion pack, 13% more capacity than the 1.43-kWh pack in the ’15 hybrid sedan.
The larger motor and battery pack allows Hyundai to downsize the hybrid’s engine. The ’16 Sonata Hybrid has a 2.0L gasoline-direct-injected 4-cyl., which makes 154 hp and 140 lb.-ft. (190 Nm) of torque.
A 2.4L multiport-injected 4-cyl. was used in the ’15 Sonata Hybrid, generating 159 hp and 154 lb.-ft. (209 Nm) of torque.
Total system horsepower in the ’16 Sonata Hybrid is 193, down from 199 in the ’15 model.
As in the old Sonata Hybrid, the new model has a clutch in lieu of a torque converter, pairing the engine to the drivetrain. The automaker claims the car can travel on electric power alone up to 75 mph (121 km/h) by decoupling the engine from the drivetrain.
Hyundai updates the car’s 6-speed automatic transmission with an electric oil pump.
Packaging efficiencies achieved with the new hybrid include a flat trunk floor. In the old model, the pack intruded on trunk space. The achievement gives the car best-in-class passenger volume, Hyundai says, also touting best-in-class cargo volume of 13.3 cu.-ft. (377 L), a 10% rise over the ’15 Sonata Hybrid.
Sonata Debuts Hyundai’s First Plug-In
All-new to the Sonata lineup is Hyundai’s first-ever plug-in hybrid model, which the automaker says has a range of 22 miles (35 km) on electric power.
The Honda Accord PHEV has an electric range of 13 miles (21 km), while the Ford Fusion Energi can travel up to 19 miles (31 km) solely on electric power.
The Sonata PHEV has the same 2.0L GDI engine and 6-speed automatic as the Sonata Hybrid, but a larger, 50-kW (67-hp) electric motor.
Total system output is 202 hp and the car can recharge in 2.5 hours with a 240V Level 2 charger, matching the Fusion Energi’s time but higher than the Accord PHEV’s 1-hour fill-up time.
It takes the Sonata Hybrid 5 hours to recharge on a 120V outlet, in between the Accord PHEV (3 hours) and the Fusion Energi (7 hours).
Hyundai expects the Sonata PHEV to deliver 93 MPGe in EV mode based on internal estimates. The Accord PHEV delivers 115 MPGe and the Fusion Energi 88 MPGe.
Both the hybrid and PHEV Sonatas get a variety of design updates from the standard Sonata, although, Hyundai points out, they are functional. The midsize sedan has received criticism its appearance is too staid from the previous-generation Sonata’s.
From pictures, the PHEV’s grille appears taller, and with a large horizontal black bar at the bottom.
Hyundai says changes for the Sonata Hybrid and PHEV include tweaked front and rear bumpers, front fenders, front and rear lights, plus chrome side-sill moldings.
Hyundai says the changes improve the Hybrid and PHEV’s coefficient of drag to 0.24, the same rating as the Tesla Model S.
Both new Hyundais get a host of standard safety and technology features, including seven airbags, SiriusXM satellite radio and Bluetooth. Navigation is available on both models, and on the plug-in buyers can download a Hyundai Blue Link smartphone app to remotely start their car or schedule charging.
Both cars will be assembled at Hyundai’s Asan, South Korea, plant. The hybrid is set to reach the U.S. early this summer, while the plug-in only will be available in select U.S. markets later this year.