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Follow-Up Test: 2007 Honda Civic Si Sedan

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  • 2007 Honda Civic Picture

    2007 Honda Civic Picture

    Our "Nighthawk Black Pearl" Civic Si sedan looks at home in the shadowy, warehouse district of old Los Angeles. | September 15, 2009

Road Test

Follow-Up Test: 2007 Honda Civic Si Sedan

When you choose the four-door option, you get more of a good thing

    8 Ratings
    All the goodness of the Honda Civic Si coupe has rubbed off onto 2007 Honda Civic Si Sedan. The same 197-horsepower iVTEC 2.0-liter engine screams to an 8,000-rpm redline, the same transmission shifts quickly through six gears, the same limited-slip differential delivers great punch exiting the corners and the same sport seats help you resist the G-forces.

    The Civic Si sedan is 2 inches longer than the coupe and weighs 60 pounds more, but it has the same high-performance personality and even makes the same numbers at the test track. It just happens to have four doors. This is great news.

    S'couped
    Compared to the highly anticipated arrival of the 2006 Civic Si Coupe, the 2007 Honda Civic Si Sedan has appeared in the Honda lineup without much fanfare. But we'll tell you, the "Si-dan" is really the Civic Si to get. You might expect the Si coupe with its snarky styling to carry the dominant Si gene, but the Si sedan's four-door practicality adds a dimension of usefulness that makes this a high-performance car you can live with every day.

    Our first glimpse of the thinly disguised Civic Si sedan concept came in February 2006 at the Chicago auto show, and shortly thereafter an Internet-based leak revealed the car's production appearance. Honda officially took the wraps off the 2007 Honda Civic Si Sedan at the 2006 SEMA show, but it was overlooked in the shadow of a gaggle of concepts based on the Honda Fit.

    For us, the 2007 Honda Civic Si Sedan reminds us of the BMW M3 E36-series sedan. The coupe might get the billboard signage, but the sedan proves to be a more mature piece, a grown-up performance car instead of just a hot rod.

    Plus 2 inches, minus 1 millimeter
    Compared to the Civic coupe, the sedan's wheelbase has been stretched 2.0 inches to a lengthy 106.3 inches. To help give the Si sedan the same quick reactions as the Si coupe, its front suspension has been retuned with different damping rates and a front antiroll bar that's 1mm smaller in diameter. The sedan's long wheelbase also delivers a more balanced weight distribution of 59 percent front/41 percent rear, compared to the coupe's 61 percent front/39 percent rear.

    All this helps the four-door Si sedan behave more like the stubbier two-door Si coupe by diminishing the car's natural understeer. In practice, it allows the sedan to claw its way around our 200-foot skid pad at 0.84g. It also helps the Si sedan zigzag through the 600-foot slalom course at a frenetic 68.2 mph, rocketing past the final gate and across the timing line at wide-open throttle.

    The Si Civic's electric-assist power steering is just about as good as it can be, pinpoint precise and rally-car quick, although it lacks a little in communicative feedback. Overall, the Si sedan achieves virtually the same testing numbers as the Si coupe, and performs even better in some cases. The four-door's four-wheel disc brakes are very capable, providing both good feedback and better-than-average stopping power as evidenced by a 125-foot stop from 60 mph. Historically, however, we do know that these brakes (vented 11.8-inch front discs and 10.2-inch rear discs) have limited heat capacity and can overheat when pushed beyond a half-hour session of full-throttle flogging. Overall, this is still sports-car performance from a four-door sedan. Cool, eh?

    For 2007, both the Si sedan and Si coupe feature electronic vehicle-stability control that now can be fully switched off, which is what we want in a high-performance car. New 17.0-by-7.0-inch cast-alloy wheels in a slightly darker shade of silver carry don't-bother-unless-it-snows Michelin Pilot HX MXM4 all-season tires. If you hand the Honda man an extra $200, you can get Michelin Pilot Exalto PE2 high-performance tires. These tires are slightly noisier, but we've found that they deliver superior grip and handling in both wet and dry conditions.

    Spinning class
    If you think it's irresponsible to rev your engine beyond 6,000 rpm, then you've never enjoyed Honda's iVTEC 2.0-liter four-cylinder at full song. The Si sedan offers even more aural attitude for this engine thanks to a new exhaust system that gives you more of the high-winding snarl we've grown to love. Even at 2,000 rpm, the Si sedan's iVTEC sounds like it has the beans to back up the attitude. Once you stage the car, rev the engine to 4,000 rpm, then drop the clutch and modulate the throttle to maximize traction, the Si sedan is on its way to 60 mph in 7.1 seconds. It reaches the quarter-mile mark in 15.3 seconds at a little over 93 mph. These numbers are virtually identical to every Si coupe we've ever tested.

    Honda think
    The 2007 Honda Civic Si Sedan is offered in essentially one base model with two options, although Honda-think would have you believe that there are four distinct models. First, there's the base model. Second, there's the Si sedan with high-performance tires. Third, there's the Si sedan with a navigation system. And finally there's the Si sedan with high-performance tires and the navigation system. Be that as it may, Si sedan pricing begins at $21,885, or exactly $200 more than a base Si coupe. Add the high-performance tires and the price goes up $200. Opting for Honda's driver-friendly navigation system with XM Satellite Radio adds another $1,750. When you specify the high-performance tires and navigation-audio system (as our test car was equipped), the grand total comes to $23,835.

    Caveat emptor
    Before you grab your checkbook and hightail it to the nearest Honda dealership, be warned that the Si sedan is truly meant for enthusiasts. It's notably noisier than a standard Civic. It's tuned for crisper handling responses, and so might be less forgiving of driver clumsiness. And it has issues with ride quality, delivering a jittery ride on choppy pavement that's far harsher than any other Civic we've driven. Imagine the interaction of limited suspension travel with stiff springs and soft bushings and you'll get the idea.

    To be fair, this Honda's ride would be judged acceptable if it were an S2000 sports car. So we're prepared to accept some sacrifices in a car with seating for five, 88.4 cubic feet of passenger volume and a folding, 60/40-split-back rear seat, not to mention a trunk with 12.0 cubic feet of capacity. Even the Si sedan's fuel economy is impressive, with 23 mpg city and 32 mpg highway. But if you're simply interested in a calmer sort of sedan experience, then the answer for you might be a Civic EX.

    In the end, the Si sedan is so good that it makes the Si coupe seem faintly pointless. Sure, there will always be a market for the Civic coupe's space-pod, two-door profile. But almost everyone else will appreciate the combination of practical packaging with foot-to-the-floor performance.

    To find out which Civic Si is better for you, take this quiz. You use rear seats for: A) transporting Volcom hoodies and collecting empty Rockstar cans; B) you don't know what that means but still enjoy running the tachometer up to 8,000 rpm. If you answered "B," then the 2007 Honda Civic Si Sedan is your ride of choice.

    The 2007 Honda Civic Si Sedan will make you believe that you can own a four-door car that you can use for your daily commute and yet still have fun on your favorite back roads over the weekend. The Si sedan has a raw, honest character that sets it apart from most modern cars. Yeah, it's a little rough, but it likes it rough.

    The manufacturer provided Edmunds this vehicle for the purposes of evaluation.

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    Speed Read

    Featured Specs

    • 197-hp 2.0-liter engine
    • 8,000-rpm redline
    • Six-speed manual and four doors

    What Works

    Si-spec engine, transmission, brakes, interior.

    What Needs Work

    Heat capacity of brakes, auto door-locking feature.

    Tags

    Specs & Performance

    Vehicle
    Model year2007
    MakeHonda
    ModelCivic
    StyleSi 4dr Sedan w/Navi, Summer Tires (2.0L 4cyl 6M)
    Base MSRP$23,835
    As-tested MSRP$23,835
    Drivetrain
    Drive typefront-wheel drive
    Engine typeinline-4
    Displacement (cc/cu-in)1998cc (122 cu-in)
    Valvetraindouble overhead camshaft
    Compression ratio (x:1)11.0
    Horsepower (hp @ rpm)197 @ 7800
    Torque (lb-ft @ rpm)139 @ 6100
    Transmission type6-speed Manual
    Chassis
    Suspension, frontIndependent, MacPherson Struts, Coil Springs, and Stabilizer Bar
    Suspension, rearIndependent, Double Wishbones, Coil Springs, and Stabilizer Bar
    Steering typeelectric-assist speed-proportional power steering
    Turning circle (ft.)35.4
    Tire brandMichelin
    Tire modelPilot Exalto PE2
    Tire typeHigh-performance summer
    Tire size, frontP215/45ZR17 91W
    Tire size, rearP215/45ZR17 91W
    Wheel size17 X 7
    Wheel materialalloy
    Brakes, frontfront ventilated disc - rear disc
    Brakes, reardisc
    Track Test Results
    0-45 mph (sec.)4.6
    0-60 mph (sec.)7.1
    0-75 mph (sec.)10.2
    1/4-mile (sec. @ mph)15.3 @ 93.3
    Braking, 30-0 mph (ft.)30
    60-0 mph (ft.)125
    Slalom, 6 x 100 ft. (mph)68.2
    Skid pad, 200-ft. diameter (lateral g)0.84
    Sound level @ idle (dB)51.2
    @ Full throttle (dB)82.4
    @ 70 mph cruise (dB)72.5
    Test Driver Ratings & Comments
    Acceleration commentsWith VSC off and a 4,000-rpm launch, the best 0-30 was the result of properly timing going to wide-open throttle. Too soon and the tires spin; too late and the engine falls out of the power. The shifter never balked or resisted an urgent throw. I got a little scratch on the 1-2 shift. I love the new exhaust note -- still very much "Honda" but even meaner.
    Braking ratingExcellent
    Braking commentsPedal firmness is spot-on for a sport sedan. I also tested our Civic Si coupe (with the all-season tires) today and I could really tell the difference in how the ABS system deals with the better summer tires. The summer tires are less gravely sounding and sure-footed under full ABS.
    Handling ratingExcellent
    Handling commentsWith VSC off, understeer (eventually) limits the skid-pad performance, but it arrives gently and is easily recognized. In the slalom, the Civic Si sedan has a lot to say if your brain can process the info quick enough. Much of the discourse is regarding available grip and yaw rates, but there isn't much info coming from the steering wheel itself; it's mostly seat-of-the-pants stuff. That said, this thing likes to play rough. It can handle an aggressive toss and loves to power out of the exit with the limited-slip differential.
    Testing Conditions
    Elevation (ft.)1121
    Temperature (°F)77.7
    Wind (mph, direction)10-20
    Fuel Consumption
    EPA fuel economy (mpg)23 City / 32 Highway
    Edmunds observed (mpg)22.5 combined
    Fuel tank capacity (U.S. gal.)13.2
    Dimensions & Capacities
    Curb weight, mfr. claim (lbs.)2945
    Curb weight, as tested (lbs.)2,937 (60% front/40% rear)
    Length (in.)176.7
    Width (in.)69.0
    Height (in.)56.5
    Wheelbase (in.)106.3
    Track, front (in.)59.0
    Track, rear (in.)60.2
    Legroom, front (in.)42.2
    Legroom, rear (in.)34.6
    Headroom, front (in.)38.1
    Headroom, rear (in.)36.7
    Shoulder room, front (in.)53.6
    Shoulder room, rear (in.)52.3
    Seating capacity5
    Cargo volume (cu-ft)12.0
    Max. cargo volume, seats folded (cu-ft)N/A
    Warranty
    Bumper-to-bumper3 years/36,000 miles
    Powertrain5 years/60,000 miles
    Corrosion5 years/Unlimited miles
    Roadside assistanceNot Available
    Free scheduled maintenanceNot Available
    Safety
    Front airbagsStandard
    Side airbagsStandard dual front
    Head airbagsStandard front and rear
    Antilock brakes4-wheel ABS
    Electronic brake enhancementselectronic brakeforce distribution
    Traction controlStandard
    Stability controlStandard
    Rollover protectionNot Available
    Emergency assistance systemNot Available
    NHTSA crash test, driver5 Star
    NHTSA crash test, passenger5 Star
    NHTSA crash test, side front4 Star
    NHTSA crash test, side rear5 Star
    NHTSA rollover resistance4 Star
    CollapseSpecs and Performance Expand Collapse

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