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2012 Jeep Grand Cherokee SRT8 - Specs

2012 Jeep Grand Cherokee SRT8

2012 Jeep Grand Cherokee SRT8 - Photos
2012 Jeep Specs
2012 Jeep Grand Cherokee SRT8 - Price Quote

Visit Jeep for more information on the Jeep Grand Cherokee SRT8..

Engine Specs
Transmission Specs

Exterior Dimensions
Interior Dimensions

Dimensions and capacities are in inches (mm) unless otherwise specified.

Availability Standard
Type and Description 90-degree V-type, liquid-cooled
Displacement 392 (6,424)
Bore x Stroke 4.09 x 3.72 (103.9 x 94.5)
Valve System Pushrod-operated overhead valves, 16 valves with sodium-filled exhaust valves and hollow stem intake valves, 16 conventional hydraulic lifters, all with roller tips
Fuel Injection Sequential, multi-port, electronic, returnless; automatic features Fuel Saver mode
Construction Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers
Compression Ratio 10.9:1
Power (SAE net) 470 hp (351 kW) at 6,000 rpm
Torque (SAE net) 465 lb.-ft. (630 N•m) at 4,300 rpm
Max. Engine Speed 6,400 rpm (electronically limited)
Fuel Requirement Premium 91 octane (R+M)/2 — recommended
Oil Capacity 7 (6.6)
Coolant Capacity 14 (13.25)
Factory Oil Fill 0W-40 Synthetic
Emission Controls Dual close-coupled three-way catalytic converters, quad-heated oxygen sensors and internal engine features(a)
Estimated EPA Fuel Economy mpg (City/Hwy) 12/18
(a) Meets Federal Tier 2, Bin 5 emissions requirements; marketed in California as an LEV II (Low Emission Vehicle) under
cleanest vehicle rules.

Transmission W5A580 Five-Speed Automatic
Availability Standard with 6.4-liter HEMI engine
Description Auto Stick driver interactive manual control and electronically modulated torque converter clutch
Gear Ratios 
     1st 3.59
     2nd 2.19
     3rd 1.41
     4th 1.00
     5th 0.83
   Reverse 3.16
Overall Top Gear 3.07
Final Drive Ratio 3.70:1 – ZF Electronic Limited Slip Differential

Transfer Case MP 3010
Operating Modes Full-time 4WD
Availability Standard with 6.4-liter HEMI engine
Type Single-speed, electronic proportioning
Torque Split, Front / Rear Variable - 50/50 Snow and 35/65 Sport and Track

Electrical System 2012 Jeep Grand Cherokee SRT8
Battery Group 65 maintenance-free 750CCA
Alternator Standard 220-amp

Dimensions & Capacities(a) 2012 Jeep Grand Cherokee SRT8
Wheelbase 114.8 (2,915)
Track Front 63.7 (1,618)
Rear 64.3 (1,633)
Overall Length 191.3 (4,859)
Body Width 77.1 (1,958)
Overall Width (at mirrors) 84.9 (2,156)
Overall Height at Roof Rail 69.1 (1,756)
at Antenna 76.9 (1,952)
Ground Clearance Minimum Ground Clearance 8.3 (210.8)
Chassis (Fuel Tank) 9 (230)
Front Axle 8.97 (227.8)
Rear Axle 8.99 (228.3)
Sill Step Height 20.7 (527)
Load Floor Height 32.4 (823)
Approach Angle 18.45°
Departure Angle 21.9°
Ramp Breakover Angle 17.84°
Aero CdA 12.2 (Cd x cross-sectional area)
Frontal Area, sq. ft. (sq. m.) 31.5 (2.93)
Drag Coefficient .39
Fuel Tank Capacity, gal. (L) 24.6 (93.1)

Accomodations Front Row Rear Row
Seating Capacity 2 3
Head Room 39.9 (1,013) 39.2 (995)
Leg room 40.3 (1,025) 38.6 (981)
Shoulder room 58.7 (1,491) 58.0 (1,474)
Hip room 57.0 (1,449) 56.2 (1,428)
Seat Travel 11.0 (280)  
Knee Clearance   4.3 (110)
Couple   34.6 (880)
SAE Volume, cu. ft. (cu. m.) 54.6 (1.55) 50.8 (1.4)
Cargo Volume cubic ft. (cu. m) Behind Rear Seat, cu. ft. (cu. m.) 35.1 (0.99)
Rear Seats Folded, cu. ft. (cu. m.) 68.7 (1.95)

Body and Chasssis 2012 Jeep Grand Cherokee SRT8
Layout Longitudinal front engine, transfer case with on demand four-wheel drive
Construction Steel uniframe

Suspension 2012 Jeep Grand Cherokee SRT8
Front Short- and long-arm independent (SLA), coil springs, Bilstein Adaptive Damping Suspension (ADS), upper- and lower-control arms (“A” arms), stabilizer bar
Rear Multi-link rear suspension, coil spring, Bilstein Adaptive Damping Suspension (ADS), aluminum lower control arm, independent upper links (tension and camber) plus a separate toe link, stabilizer bar

Axles Front Rear
Differential Type Conventional Electronic Limited Slip Differential (ELSD)
Ring Gear Diameter 7.7 (195) 9 (230)
Axle Ratio 3.70:1 3.70:1

Exhaust 2012 Jeep Grand Cherokee SRT8
Type Dual exhaust with active valves and dual 4-in. oval black chrome tips

Steering 2012 Jeep Grand Cherokee SRT8
Type SRT-tuned power rack and pinion
Overall Ratio 17.5:1
Turn Circle, ft. (m.) 37.1 (11.3)
Steering Turns (lock-to-lock) 3.369
(a) Turning diameter is measured at the outside of the tires at curb height. Turning diameters and steering wheel turns, lock-to-lock, may differ with optional tires and wheels.

Tires Standard Optional
Mfr. and Model Pirelli Scorpion Verde – All-Season Performance (run flat) Pirelli P-Zero – Three Season (run flat)
Size and Type P295/45ZR20 P295/45ZR20
Size 699 699

Wheels 2012 Jeep Grand Cherokee SRT8
Size Forged aluminum, painted, split 5-spoke
Type and material 20 x 10

Brakes 2012 Jeep Grand Cherokee SRT8
Size and Type
15.0 x 1.34 (380 x 34) vented disc with Brembo six-piston caliper and ABS
Swept Area
104.2 sq. in. (672 sq. cm.)
Size and Type
13.78 x 1.10 (350 x 28) disc with Brembo four-piston caliper and single-channel ABS
Swept Area
79.0 sq. in.(508 sq. cm.)
Power Assist Type Single-rate, tandem diaphragm vacuum

Engine Drivetrain Axle Ratio Maximum Trailer Weight(b) LBS. (KG)
6.4-liter V-8 4WD 3.70 5,000 (2269)
(a) 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 6.4-liter engine 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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Although checks with auto manufacturers and their representatives to confirm the accuracy of the data, it makes no guarantee or warranty, either expressed or implied with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.

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