2012 Jeep Grand Cherokee -
Specs
|
|
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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2012
Jeep Grand Cherokee - Photos
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Jeep Compass - Specs
