2008 Honda Civic Sedan Specifications
2008 Honda Civic Sedan Specifications
ENGINEERING DX LX EX EX-L Si HYBRID GX
Engine Type In-Line 4-Cylinder In-Line 4-Cylinder In-Line 4-Cylinder In-Line 4-Cylinder In-Line 4-Cylinder In-Line 4-Cylinder In-Line 4-Cylinder
Engine Block/Cylinder Head Aluminum-Alloy Aluminum-Alloy Aluminum-Alloy Aluminum-Alloy Aluminum-Alloy Aluminum-Alloy Aluminum-Alloy
Displacement (cc) 1799 1799 1799 1799 1998 1339 1799
Horsepower @ rpm (SAE net) 140 @ 6300 140 @ 6300 140 @ 6300 140 @ 6300 197 @ 7800 110 @ 6000* 113 @ 6300
Torque (lb-ft. @ rpm) 128 @ 4300 128 @ 4300 128 @ 4300 128 @ 4300 139 @ 6100 123 @ 1000-2500* 109 @ 4300
Redline (rpm) 6800 6800 6800 6800 8000 6300 6300
Bore and Stroke (mm) 81 x 87.3 81 x 87.3 81 x 87.3 81 x 87.3 86 x 86 73 x 80 81 x 87.3
Compression Ratio 10.5:1 10.5:1 10.5:1 10.5:1 11.0:1 10.8:1 12.5:1
Valvetrain 16-Valve SOHC i-VTEC® 16-Valve SOHC i-VTEC® 16-Valve SOHC i-VTEC® 16-Valve SOHC i-VTEC® 16-Valve DOHC i-VTEC® 8-Valve SOHC i-VTEC® 16-Valve SOHC i-VTEC®
Valvetrain Drive Type Chain Chain Chain Chain Chain Chain Chain
Stainless Steel Exhaust Manifold         X    
Multi-Point Fuel Injection X X X X X X Natural Gas
Drive-by-Wire Throttle System™ X X X X X X X
Front-Wheel Drive X X X X X X X
CARB Emissions Rating ULEV-2 ULEV-2 ULEV-2 ULEV-2 LEV-2 AT-PZEV AT-PZEV
EPA Emissions Rating Tier 2 / Bin 5 Tier 2 / Bin 5 Tier 2 / Bin 5 Tier 2 / Bin 5 Tier 2 / Bin 5 Tier 2 / Bin 2 Tier 2 / Bin 2 + ILEV
Direct Ignition System with Immobilizer X X X X X X X
100K+/- Miles No Scheduled Tune-ups** X X X X X X  
* Combined total IMA system power. (Gasoline engine output is rated 93 horsepower @ 6000 rpm, torque is rated 89 lb-ft. @ 4500 rpm)
**May vary with driving conditions. Does not apply to fluid and filter changes. Exact mileage is determined by actual driving conditions. Please see your owner's manual for more details.
IMA ELECTRIC MOTOR / GENERATOR DX LX EX EX-L Si HYBRID GX
Motor Type           Permanent Magnet Motor  
Power Output (horsepower)           20 hp @ 2000 rpm  
Power Output (torque)           76 lb-ft. @ 0-1160 rpm  
Motor Width (mm)           70  
 
IMA ELECTRIC POWER STORAGE DX LX EX EX-L Si HYBRID GX
Nickel Metal Hydride (Ni-MH) Battery           X  
Output (Volts)           158  
Rated Capacity           5.5 Ah  
 
TRANSMISSIONS DX LX EX EX-L Si HYBRID GX
5-Speed Manual Transmission X X X X      
Gear Ratios: 1st: 3.143, 2nd: 1.870, 3rd: 1.235, 4th: 0.949, 5th: 0.727, Reverse: 3.308, Final Drive: 4.294
Compact 5-Speed Automatic Transmission Available Available Available Available     X
Gear Ratios: 1st: 2.666, 2nd: 1.534, 3rd: 1.022, 4th: 0.721, 5th: 0.525, Reverse: 1.957, Final Drive: 4.437
Close-Ratio 6-Speed Manual Transmission         X    
Gear Ratios: 1st: 3.267, 2nd: 2.130, 3rd: 1.517, 4th: 1.147, 5th: 0.921, 6th: 0.659, Reverse: 3.583, Final Drive: 4.765
Helical Limited-Slip Differential         X    
Continuously Variable Transmission (CVT)           X  
Gear Ratios: 2.526~0.421, Reverse: 4.511~1.875, Final Drive: 4.945
 
BODY/SUSPENSION/CHASSIS DX LX EX EX-L Si HYBRID GX
Unit-Body Construction X X X X X X X
MacPherson Strut Front Suspension X X X X X X X
Double Wishbone Rear Suspension X X X X X X X
Stabilizer Bar (mm., front/rear) 24.2x3.0 / 10.0 solid 24.2 x 3.0 / 10.0 solid 24.2x3.0 / 10.0 solid 24.2x3.0 / 10.0 solid 27.0 / 17.0 24.2x3.0 / 10.0 solid 24.2x3.0 / 10.0 solid
Power-Assisted Rack-and-Pinion Steering X X X X Electric Electric X
Steering Wheel Turns, Lock-to-Lock 2.7 2.7 2.7 2.7 2.65 2.7 2.71
Steering Ratio 13.73:1 13.73:1 13.73:1 13.73:1 13.62:1 13.52:1 13.7:1
Turning Diameter, Curb-to-Curb  (ft.) 34.8 35.4 35.4 35.4 35.4 34.8 34.8
Power-Assisted Ventilated Front Disc/Rear Drum Brakes (in., front/rear) 10.3 / 7.9 10.3 / 7.9       10.3 / 8.7 11.1 / 8.7
Power-Assisted Ventilated Front Disc/Solid Rear Disc Brakes (in., front/rear)     10.3 / 10.2 10.3 / 10.2 11.8 / 10.2    
Wheels (in.)  15x6J with Full Covers 16 x6.5J with Full Covers 16x6.5J Alloy 16x6.5J Alloy 17x7J Alloy 15x6J Lightweight Alloy 15x6J with full covers
All-Season Tires P195/65 R15 89H P205/55 R16 89H P205/55 R16 89H P205/55 R16 89H P215/45R17 91V P195/65 R15 89S P195/65 R15 89H
Michelin® Pilot Exalto® PE2 Summer Tires         215/45ZR17 91W (available)    
Compact Spare Tire X X X X X X X
 
INTERIOR MEASUREMENTS DX LX EX EX-L Si HYBRID GX
Headroom (in., front/rear) 39.4 / 37.4 39.4 / 37.4 38.1 / 36.7 38.1 / 36.7 38.1 / 36.7 39.4 / 37.4 39.4 / 37.4
Legroom (in., front/rear) 42.2 / 34.6 42.2 / 34.6 42.2 / 34.6 42.2 / 34.6 42.2 / 34.6 42.2 / 34.6 42.2 / 34.6
Shoulder Room (in., front/rear) 53.7 / 52.4 53.7 / 52.4 53.6 / 52.3 53.6 / 52.3 53.6 / 52.3 53.6 / 52.3 53.7 / 52.4
Hiproom (in., front/rear) 51.9 / 51.0 51.9 / 51.0 51.9 / 51.0 51.9 / 51.0 51.9 / 51.0 51.9 / 51.0 51.9 / 51.0
Cargo Volume (cu. ft.) 12.0 12.0 12.0 12.0 12.0 10.4 6.0
Passenger Volume (cu. ft.) 90.9 90.9 88.4 88.4 88.4 90.9 90.9
Seating Capacity 5 5 5 5 5 5 5
 
EXTERIOR MEASUREMENTS DX LX EX EX-L Si HYBRID GX
Wheelbase (in.) 106.3 106.3 106.3 106.3 106.3 106.3 106.3
Length (in.) 176.7 176.7 176.7 176.7 176.7 176.7 176.7
Height (in.) 56.5 56.5 56.5 56.5 56.5 56.3 56.5
Width (in.) 69.0 69.0 69.0 69.0 69.0 69.0 69.0
Track (in., front/rear) 59.0 / 60.2 59.0 / 60.2 59.0 / 60.2 59.0 / 60.2 59.0 / 60.2 59.0/60.2 59.0/60.2
Curb Weight (lbs., MT/AT) 2628 / 2690 2685 / 2751 2738 / 2806 2738 / 2806 2945 / --  --/2875  --/2904
Weight Distribution (%, front/rear, MT) 60/40 60/40 60/40 60/40 60/40  --  --
Weight Distribution (%, front/rear, AT) 61/39 61/39 61/39 61/39 -- 59/41 59/41
 
MILEAGE ESTIMATES*/CAPACITIES DX LX EX EX-L Si HYBRID GX
5-Speed Manual (City/Highway) 26/34 26/34 26/34 26/34      
6-Speed Manual (City/Highway)         21/29    
5-Speed Automatic (City/Highway) 25/36 25/36 25/36 25/36     24/36
CVT (City/Highway)           40/45  
Maximum Range (MT/AT) 449/475 449/475 449/475 449/475 383/-- --/554 --/288
Crankcase (qt.) 4.7 4.7 4.7 4.7 5.8 3.8 4.7
Coolant System (qt.) (MT/AT) 6.8/7.0 6.8/7.0 6.8/7.0 6.8/7.0 6.7  --/5.8  --/7.0
Fuel (gal.) 13.2 13.2 13.2 13.2 13.2 12.3 8.0 Gas Gallon Equivalent @ 3600 psi
Required Fuel Regular Unleaded Regular Unleaded Regular Unleaded Regular Unleaded Premium Unleaded Regular Unleaded Compressed Natural Gas
*Based on 2008 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.
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