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2012 Jeep Grand Cherokee - Specs

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2012 Jeep Grand Cherokee


2012 Jeep Grand Cherokee - Photos
2012 Jeep Specs
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Visit Jeep for more information on the Jeep Grand Cherokee.

Engine Specs
Transmission Specs

Trailer Towing
Exterior Dimensions
Interior Dimensions



Dimensions and capacities are in inches unless otherwise specified.

Engine 3.6-Liter DOHC V-6 5.7-Liter MDS V-8
Availability Standard on all models (2WD and 4WD) Optional on all models
Type and Description 60-degree V-type, liquid-cooled 90-degree V-type, liquid-cooled
Displacement 220 cu. in. (3604 cu. cm) 345 cu. in. (5654 cu. cm)
Bore x Stroke 3.77 x 3.26 (96 x 83) 3.92 x 3.58 (99.5 x 90.9)
Valve System Chain-driven DOHC, 24 valves and hydraulic end-pivot roller rockers Variable-valve timing, pushrod-operated overhead valves, 16 valves, eight deactivating and eight conventional hydraulic lifters, all with roller followers
Fuel Injection Sequential, multi-port, electronic, returnless Sequential, multi-port, electronic, returnless
Construction Aluminum deep-skirt block, aluminum alloy heads Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers
Compression Ratio 10.2:1 10.5:1
Power (SAE net) 290 hp (209 kW) at 6,400 rpm 360 hp (268 kW) at 5,150 rpm
Torque (SAE net) 260 lb.-ft. (353 N•m) at 4,800 rpm 390 lb.-ft. (520 N•m) at 4,250 rpm
Max. Engine Speed 6,400 rpm (electronically limited) 5,800 rpm (electronically-limited)
Fuel Requirement Unleaded regular, 87 octane (R + M)/2 Unleaded mid-grade, 89 octane (R+M)/2 - recommended
unleaded regular, 87 octane (R+M)/2 - acceptable
Oil Capacity 6.0 qt. (5.7L) 7 qt. (6.6L)
Coolant Capacity 14.0 qt. (13.25L) 14.5 qt. (13.72L)
Emission Controls Dual three-way catalytic converters, heated oxygen sensors and internal engine features(a) Dual close-coupled three-way catalytic converters, quad heated oxygen sensors and internal engine features(b)
Estimated EPA Fuel Economy mpg (City/Hwy) 17/23 — 2WD 14/20 — 2WD
16/23 — 4WD 13/20 — 4WD
(a) Meets Calif. LEV II+ evaporative emission requirements in CA, NY, MA, ME, VT. Meets Tier 2, meets Federal Bin 4+
emission requirements and Clean Fuel Fleet Certification (CCF-LEV) in all other 45 states.
(b) Meets Calif. LEV II+ evaporative emission requirements in CA, NY, MA, ME, VT and Federal Bin 5+ Tier II emissions and
Clean Fuel Fleet Certification (CCF).

Transmission W5A580 Automatic, Five-Speed Overdrive 65RFE Automatic, Six-Speed
Availability Included with 3.6-liter V-6 engine Included with 5.7-liter engine
Description Electronic Range Select (ERS) driver-interactive manual control and electronicallymodulated torque converter clutch Three planetary gear sets, one overrunning clutch, with Electronic Range Select (ERS) driver interactive control, electronically controlled torque converter clutch
Gear Ratios 
     1st 3.59 3
     2nd 2.19 1.67
     3rd 1.41 1.50
     4th 1 1
     5th 0.83 0.75
     6th * 0.67
   Reverse 3.16 3
Final Drive Ratio 3.06:1 3.47
Overall Top Gear 2.54 2.32

Transfer Case MP 3010 MP 3022
Availability Optional with 3.6-liter engine Optional with the 3.6-liter and 5.7-liter engine
Type Single-speed Two-speed, electronically shifted
Operating Modes Full-time AWD 4x4 Low (Lock), Neutral; full-time active 4x4
Low Range Ratio None 2.72
Torque Split, F / R 50/50 Variable

Axle Ratio 2012 Jeep Grand Cherokee
3.7-liter V-6 Engine Auto  

Electrical System 2012 Jeep Grand Cherokee
Availability 160-amp; 180-amp or 220-amp depending on option content
Battery Group 65 maintenance-free 750CCA

Dimensions & Capacities 2012 Jeep Grand Cherokee
Wheelbase 114.8 (2915)
Track Front 63.9 (1623)
Rear 64.1 (1627)
Overall Length 189.8 (4822)
Overall Width (Width at Mirrors) 84.8 (2154)
Body Width 76.5 (1943)
Overall Height at Roof Rail 69.3 (1761)
at Antenna 70.0 (1779)
Load Floor Height Standard Suspension 32.4 (822)
Air Suspension 31.8 (807)
Sill Step Height Standard Suspension 20.5 (520)
Air Suspension 20.0 (508)
Ground Clearance with P245/70R17 Tire and 3.6L Engine Standard Suspension 8.6 (218)
Air Suspension - Pos#2 10.6 (270)
Chassis (Fuel Tank) Standard Suspension 9.6 (243)
Air Suspension - Pos#2 11.6 (294)
Front Axle Standard Suspension 9.3 (236)
Air Suspension - Pos#2 10.6 (269.5)
Rear Axle Standard Suspension 10.0 (253)
Air Suspension - Pos#2 12.0 (303.5)
Approach Angle Standard Suspension 26.3°
Pos#2, air-dam off 34.3°
Ramp Breakover Angle Standard Suspension 18.8°
Pos#2, air-dam off 23.1°
Departure Angle Standard Suspension 26.5°
Pos#2, air-dam off 29.3°
Frontal Area 31.0 sq. ft. (2.88 sq. m)
Drag Coefficient Approximately 0.37
Aero CdA (Cd x cross-sectional area) 11.6
Fuel Tank Capacity 24.6 gal. (93.1L)

Accomodations Front Row Rear Row
Seating Capacity 2 3
Head Room 39.9 (1013) 39.2 (995)
Leg room 40.3 (1025) 38.6 (981)
Knee Clearance   4.3 (110)
Shoulder room 58.7 (1491) 58.0 (1474)
Hip room 57.0 (1449) 56.2 (1428)
Seat Travel 11.0 (280)  
SAE Volume 54.6 cu. ft. (1.55 cu. m) 50.8 cu. ft. (1.4 cu. m)
Cargo Volume Behind Rear Seat 35.1 cu. ft. (0.99 cu. m)
Rear Seats Folded 68.7 cu. ft. (1.95 cu. m)

Body and Chasssis 2012 Jeep Grand Cherokee
Layout 4x2 Longitudinal front engine, rear drive
4x4 Longitudinal front engine, transfer case with full-time four-wheel drive
Construction 4x2 Steel uniframe
4x4 Steel uniframe

Suspension 2012 Jeep Grand Cherokee
Front Short- and long-arm independent (SLA), coil springs, gas-charged, twin-tube coil-over shock absorbers, upper- and lower-control arms (“A” arms), stabilizer bar
Rear Multi-link rear suspension, coil spring, twin tube shocks (including load leveling for towing), aluminum lower control arm, independent upper links (tension and camber) plus a separate toe link.

Steering 2012 Jeep Grand Cherokee
Type V-6 Electro-hydraulic Power Steering
V-8 Power rack and pinion
Overall Ratio at full lock 15.7:1
on center 18.9:1
Turning Diameter (curb-to-curb) 37.1 ft. (11.3 m)
Steering Turns (lock-to-lock) 3.67

Wheels 2012 Jeep Grand Cherokee
Type and Material Cast-aluminum
Type and Material 17 in. x 8.0 in. aluminum painted wheels
18 in. x 8.0 in. aluminum polished wheels
20 in. x 8.0 in aluminum premium with painted pockets

Tires 2012 Jeep Grand Cherokee
Availability Standard - Laredo Standard - Limited; Optional Laredo Standard - Overland; Optional Limited Optional -Laredo, Limited and Overland Standard - Overland Summit
Size and Type P245/70R17 P265/60R18 P265/50R20 P265/60R18 P265/50R20
Manufacturer and Model Goodyear Fortera HL Black Sidewall All-Season — OWL Optional Michelin Latitude Tour Black Sidewall All-Season Goodyear Fortera HL Black Sidewall All-Season Michelin Latitude Tour OWL All-Season Goodyear Fortera HL Black Sidewall All-Season
Revs per Mile (km) 685 691 690 691 690

Brakes 2012 Jeep Grand Cherokee
Front
Size and Type
12.9 x 1.2 (328 x 30) vented disc with 1.89 (48) two-piston pin-slider caliper and ABS
Swept Area
282 sq. in. (1820 sq. cm)
Rear
Size and Type
12.6 x 0.55 (320 x 14) disc with 1.89 (48) single-piston pin-slider caliper and single-channel ABS(a)
Swept Area
257 sq. in. (1658 sq. cm)
Power Assist Type Single-rate, tandem diaphragm vacuum
(a) Three-channel ABS standard on 4x2. Four-channel ABS standard on 4x4.

Weights (Estimates) Model Engine GVWR(a) lbs. (kg) Curb Weight(b) lbs. (kg) Payload(c) lbs. (kg)
2WD Laredo 3.6-liter 6500 (2948) 4470 (2028) 2030 (920)
5.7-liter 6500 (2948) 4780 (2169) 1720 (780)
Limited 3.6-liter 6500 (2948) 4600 (2087) 1900 (860)
5.7-liter 6500 (2948) 4920 (2232) 1580 (715)
Overland 5.7-liter 6500 (2948) 4920 (2232) 1580 (715)
Overland Summit 5.7-liter 6500 (2948) 4920 (2232) 1580 (715)
4WD Laredo 3.6-liter 6500 (2948) 4660 (2114) 1840 (835)
5.7-liter 6500 (2948) 5020 (2278) 1480 (670)
Limited 3.6-liter 6500 (2948) 4850 (2201) 1650 (750)
5.7-liter 6800 (3084) 5150 (2336) 1660 (750)
Overland 5.7-liter 6800 (3084) 5210 (2364) 1590 (720)
Overland Summit 5.7-liter 6800 (3084) 5210 (2364) 1590 (720)
(a) Gross Vehicle Weight Rating.
(b) Curb weight includes standard equipment and full quantities of fuel, lubricant and coolant.
(c) Payload is the maximum allowable weight of driver, passengers, cargo, and options, rounded to the nearest 10 lbs. (5kg).

Weight Distribution, F/R Model Engine Distribution
2WD Laredo 3.6-liter 51/49
5.7-liter 54/46
Limited 3.6-liter 51/49
5.7-liter 53/47
Overland 5.7-liter 54/46
Overland Summit 5.7-liter 54/46
4WD Laredo 3.6-liter 53/47
5.7-liter 55/45
Limited 3.6-liter 52/48
5.7-liter 54/46
Overland 5.7-liter 54/46
Overland Summit 5.7-liter 54/46

Trailer Towing (a) Axle Ratio Maximum Trailer Weight(b) LBS. (KG)
2WD 3.6-liter V-6 3.06 5000 (2269)
5.7-liter V-8 3.47 7400 (3400)
4WD 3.6-liter V-6 3.06 5000 (2269)
5.7-liter V-8 3.47 7200 (3300)
(a) All models can tow trailers up to 5,000 pounds with the addition of a trailer hitch. For towing heavier trailers up to the Maximum Trailer Weight Ratings shown in the Trailer Towing chart, the vehicle must be equipped with the Trailer Tow Group Class IV for the 5.7-liter engines for North America.
(b) Maximum Trailer Weight = GCWR - Curb Wt. with hitch - 300 lbs. (allowance for driver and passenger) and must be decreased by the weight of optional equipment, cargo and additional passengers. Maximum trailer weights shown are rounded to the nearest 50 lbs. Tongue weight should be 10-15% of loaded trailer weight but may not cause vehicle to exceed GVWR or GAWR. Load equalizing hitch recommended for trailers over 2,000 pounds.

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