We pitted the all-new 2012 Civic Hybrid against the reining mpg champ, the Toyota Prius, in our own mileage test. Can a Honda hybrid finally beat Toyota?
By Ben Stewart
Over most of the last decade, there has been one benchmark when it comes to automotive fuel efficiency: the Toyota Prius. Its reputation is so strong, in fact, that Toyota decided to create an entire family of Prius vehicles, beginning this year with the Prius V. Since 1999, Honda has been producing its own line of hybrids. Its first, the Insight, was a fuel economy champ itself. But no Honda hybrid since has been able to match the Prius. That may change with the new 2012 Civic Hybrid, which is closer than ever to becoming "Honda's Prius." To find out how Honda's latest stacks up against Toyota, we devised a two-day, two-route, 550-mile test to challenge the two fuel economy all-stars. One route covered the city streets to approximate a week's worth of commuting; the other was an all-highway blast to replicate a road trip. We filled up both cars for each route at the same pump, at the same gas station. Can the Prius hold onto its top spot as the reining fuel economy champ?
The Specs
Toyota uses a pair of electric motors, and a continuously variable transmission (CVT) to join them, mounted to the 1.8-liter four-cylinder engine. This system allows the Prius to use several combinations of electric and/or gasoline power—including an all-electric mode. There's even an EV switch that locks the Prius in battery mode until the range of the 6.5 amp hour nickel-metal hydride pack is used up. Toyota delivers a total system horsepower of 134. Honda's system, meanwhile, is very similar to the last Civic Hybrid and the current Insight. The electric motor sits in between the CVT and the gasoline engine. So, unlike the Prius, the gas engine in the Civic must always turn—when in electric cruise mode, the gas engine essentially freewheels. The Civic's four cylinder has grown to 1.5-liters from 1.3-liters. And when combined with the new, more powerful 23 hp electric motor, it delivers 110 system horsepower. But the big news is the lighter and more powerful 4.5 amp hour lithium-ion battery pack (still mounted behind the rear seats). The Prius can become expensive quickly as you add options like the self-parking system. It's not uncommon to see a fully loaded Prius sticker for close to $35,000. The new Civic Hybrid doesn't offer these options, so it is generally much less expensive. We opted to test a $24,369 Toyota Prius 2 model against a $27,500 Civic Hybrid Nav model. The EPA rates the Prius at 51mpg city and 48 mpg on the highway, while the 2012 Civic Hybrid is rated at 44 mpg for both city and highway. But how do they handle real world testing?
The Highway Drive
Beginning in Santa Monica, we cruised up the California coast to U.S. Route 101 and pressed onward, north of Santa Maria. To even out any differences in driving style between PM's testers, we switched cars often and locked the cruise control at or below 70 mph whenever possible. The Civic may have an all-new, more aerodynamic skin, but beneath it the chassis tuning feels quite similar to the last Civic Hybrid we tested. Actually, of any hybrid we've tested, this new Honda comes the closest to the ride quality of the Prius—partly because they ride on the same 196/65R15 Bridgestone Ecopia tires. The Civic's new dash and display look much like the Prius's, except they are located in front of the driver's sight line and easier to read. The Prius's futuristic dash lets everyone know that you've got plenty of advanced tech onboard. But the fresh, modern dash and center console of the Civic is more inviting if you prefer a conventional car, which we do. Both cars are far from luxurious, however. Hard plastic covers most of the interior. Slide into the backseats, and the two cars appear to have equal headroom. But there's a bit less legroom in the Honda, and its roofline requires that taller passengers duck as they exit the rear doors. In terms of cargo, the Civic's trunk holds 10.7 cubic feet—an increase from the previous model, but just half the capacity of the Prius. After 354 highway miles, we decided that the Civic was the more comfortable of the two—the Prius feels a bit more susceptible to crosswind and generally produces more freeway noise. But when we filled both cars up at the end of the day, the Prius was the highway fuel economy champ, returning 51.4 mpg. The Civic delivered a very respectable 47.1 mpg.
The City Drive
The next day, we headed east and hit the streets. For this test, we'd drive an all-city route from Santa Monica to San Bernardino, and back. We never put a tire on a freeway and never exceeded 45 mph—a true test of city fuel economy. On these roads, the Prius was nearly silent most of the time, creeping along in electric-only mode. The Civic always needed its gas motor to idle, but the smart and aggressive engine stop-start system would often cut power when we were coasting up to a light under light loads. As soon as the light turned green and our foot released the brake, the engine started quickly. And once under way, the Civic stays in electric mode longer than before. On a few of the backroads near Glendora, the Civic was the more engaging partner. Neither car will be mistaken for a sport sedan, but spirited driving just feels more natural in the Honda. After 198 miles and ten hours of traffic congestion, the Prius once again came out on top when we refueled back in Santa Monica. This time, the Toyota delivered 50.2 mpg to Honda's 43.7 mpg.
The Bottom Line
In out test, both hybrids exceeded their EPA ratings. Averaging our two loops, the Prius delivered 50.8 mpg while the Civic returned 45.4 mpg. The Prius remains the unequivocal hybrid fuel economy king, but the Civic is closing the gap. If gasoline prices continue to rise much beyond today's $4 per gallon national average, both Toyota and Honda should see sales of these two hybrids skyrocket. But if we could have just one of these cars to drive every day, our pick would be the slightly-more-fun Honda.
Source; 2012 Honda Civic Hybrid - 2011 Toyota Prius - Popular Mechanics
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