| Year Make Model | 2014 Jeep Grand Cherokee Summit 4dr SUV 4WD (3.0L 6cyl 8A) |
| Vehicle Type | 4WD 4dr 5-passenger 4dr SUV |
| Base MSRP | $52,190 |
| Options on test vehicle | Cashmere Pearl Coat, 3.0L V6 Turbodiesel Engine ($5,000 -- includes 3.0-liter turbodiesel V6 engine; 3.45 rear axle ratio; 230mm rear axle; antilock four-wheel heavy-duty disc brakes; Gross Vehicle Weight Rating of 6,800 pounds; electronic limited-slip rear differential axle; electrohydraulic power steering; Quadra-Drive II four-wheel-drive system; 800-amp maintenance-free battery; selective catalytic reduction) |
| As-tested MSRP | $57,190 |
| Assembly location | Detroit |
| North American parts content (%) | 80 |
| Configuration | Longitudinal, front engine, four-wheel drive |
| Engine type | Turbocharged, direct-injection V6, diesel |
| Displacement (cc/cu-in) | 2,988/182 |
| Block/head material | Iron/aluminum |
| Valvetrain | DOHC, four valves per cylinder |
| Compression ratio (x:1) | 16.5 |
| Redline, indicated (rpm) | 4,500 |
| Fuel cutoff/rev limiter (rpm) | 3,800 |
| Horsepower (hp @ rpm) | 240 @ 3,600 |
| Torque (lb-ft @ rpm) | 420 @ 2,000 |
| Fuel type | Low-sulfur diesel |
| Transmission type | Eight-speed automatic with console shifter and steering-mounted paddles with sport mode |
| Transmission ratios (x:1) | I = 4.714; II = 3.143; III = 2.106; IV = 1.667; V = 1.285; VI = 1.000; VII = 0.839; VIII = 0.667; R = 3.295 |
| Final-drive ratio (x:1) | 3.45 |
| Transfer-case ratio (x:1) | 2.72 |
| Differential(s) | Open front, variable torque split center, electronic limited-slip rear |
| Suspension, front | Independent double-wishbones, self-leveling pneumatic springs, twin-tube dampers, stabilizer bar |
| Suspension, rear | Independent multilink, self-leveling pneumatic springs, twin-tube dampers, stabilizer bar |
| Steering type | Electric-over-hydraulic-assist, speed-proportional, variable-ratio, rack-and-pinion power steering |
| Steering ratio (x:1) | 18.9 on center; 15.7 at full lock |
| Tire make and model | Goodyear Fortera HL |
| Tire type | All-season, low-rolling resistance (36 psi cold front; 36 psi cold rear) |
| Tire size | 265/50R20 (107T) M+S front and rear |
| Wheel size | 20-by-8 inches front and rear |
| Wheel material | Polished aluminum |
| Brakes, front | 12.9-inch one-piece ventilated cast-iron discs with two-piston sliding calipers |
| Brakes, rear | 12.6-inch one-piece vented cast-iron discs with single-piston sliding calipers |
| Acceleration, 0-30 mph (sec.) | 2.3 |
| 0-45 mph (sec.) | 4.6 |
| 0-60 mph (sec.) | 7.7 |
| 0-75 mph (sec.) | 12.0 |
| 1/4-mile (sec. @ mph) | 15.7 @ 84.3 |
| 0-60 with 1 foot of rollout (sec.) | 7.5 |
| 0-30 mph, trac ON (sec.) | 3.3 |
| 0-45 mph, trac ON (sec.) | 5.7 |
| 0-60 mph, trac ON (sec.) | 8.9 |
| 0-75 mph, trac ON (sec.) | 13.2 |
| 1/4-mile, trac ON (sec. @ mph) | 16.6 @ 83.8 |
| 0-60, trac ON with 1 foot of rollout (sec.) | 8.5 |
| Braking, 30-0 mph (ft.) | 31 |
| 60-0 mph (ft.) | 121 |
| Slalom, 6 x 100 ft. (mph) | 58.4 |
| Slalom, 6 x 100 ft. (mph) ESC ON | 58.4 |
| Skid pad, 200-ft. diameter (lateral g) | 0.74 |
| Skid pad, 200-ft. diameter (lateral g) ESC ON | 0.74 |
| Sound level @ idle (dB) | 51.0 |
| @ Full throttle (dB) | 67.7 |
| @ 70 mph cruise (dB) | 63.5 |
| Engine speed @ 70 mph (rpm) | 1,800 |
| Acceleration comments | A little hesitant getting off the line, then builds good power from 2,000 rpm to its 3,600-3,800 rpm shift point. It launches much harder when you overlap brake and throttle at the line to spool up the turbo. Doing this improved the 0-60-mph time by about 1 second. Still, we're not talking alarming forward progress here. Upshifts are fairly lazy but smooth. Manual shifting is via steering wheel paddles. Does not hold gears to a rev limiter, does not blip the throttle on downshifts. |
| Braking comments | The Jeep was consistent in its braking. Consistent in that the distances got progressively longer with each run. Major brake odor by the second run, and by the fourth run (of five) the pedal was significantly longer and softer. On the final two runs (133 feet and 140 feet) it could not brake hard enough to screech the tires the final few feet. The first stop was the shortest at 121 feet. Lots of front-end dive due to the long-travel off-road-capable suspension. Actually rocks back and forth slightly as it comes to a stop. Exhibited some side-to-side squirm with each stop, too. |
| Handling comments | Slalom: Tall driving position and high center of gravity. Rather slow steering and what feel like hard tires. The body rolls quite a bit on the suspension, but the stability control doesn't let it get too far before it stabs the brakes abruptly. Makes it difficult to get around the cones quickly. Smoothness between the transitions is key or else the ESC system freaks out, massively scrubbing speed. Skid pad: Major body roll. The front tires offer so little grip that it almost feels as if they are on ice, they give way so quickly. Constant throttle corrections are needed (even with ESC fully on) to keep the big Grand Cherokee on the line. |
| Test date | 1/28/2014 |
| Elevation (ft.) | 1,121 |
| Temperature (°F) | 63.8 |
| Relative humidity (%) | 48.9 |
| Barometric pressure (in. Hg) | 28.9 |
| Wind (mph, direction) | 1.00, tailwind |
| Odometer (mi.) | 896 |
| Fuel used for test | Ultralow-sulfur diesel |
| As-tested tire pressures, f/r (psi) | 36/36 |
| EPA fuel economy (mpg) | 24 combined (21 city/28 highway) |
| Edmunds observed (mpg) | 22.3 average/27.4 best/19.0 worst |
| Fuel tank capacity (U.S. gal.) | 24.6 |
| Driving range (mi.) | 688.8 |
| Stereo description | Harman Kardon 19-speaker 825-watt audio with Uconnect/AM/FM/MP3/SiriusXM with 8.4-inch touchscreen |
| iPod/digital media compatibility | Standard aux jack, 3 USB inputs, Bluetooth audio, SD card slot |
| Satellite radio | Standard Sirius/XM with 1-year subscription |
| Hard-drive music storage capacity (Gb) | Not available |
| Rear seat video and entertainment | Optional |
| Bluetooth phone connectivity | Standard |
| Navigation system | Standard |
| Parking aids | Standard parking sonar front and rear, back-up camera |
| Blind-spot detection | Standard |
| Adaptive cruise control | Standard |
| Lane-departure monitoring | Not available |
| Collision warning/avoidance | Standard forward collision warning with crash mitigation, rear cross path detection |
| Night Vision | Not available |
| Driver coaching display | Standard |
| Curb weight, mfr. claim (lbs.) | 5,374 |
| Curb weight, as tested (lbs.) | 5,436 |
| Weight distribution, as tested, f/r (%) | 52/48 |
| Length (in.) | 189.8 |
| Width (in.) | 76.5 |
| Height (in.) | 69.3 |
| Wheelbase (in.) | 114.8 |
| Track, front (in.) | 63.9 |
| Track, rear (in.) | 64.1 |
| Turning circle (ft.) | 37.1 |
| Legroom, front (in.) | 40.3 |
| Legroom, rear (in.) | 38.6 |
| Headroom, front (in.) | 39.9 |
| Headroom, rear (in.) | 39.2 |
| Shoulder room, front (in.) | 58.7 |
| Shoulder room, rear (in.) | 58.0 |
| Seating capacity | 5 |
| Step-in height, measured (in.) | 20.0 |
| Trunk volume (cu-ft) | 36.3 |
| Max cargo volume behind 1st row (cu-ft) | 68.3 |
| behind 2nd row (cu-ft) | 36.3 |
| Cargo loading height, measured (in.) | 33.3 |
| GVWR (lbs.) | 6,800 |
| Payload, mfr. max claim (lbs.) | 1,050 |
| Tow capacity, mfr. claim (lbs.) | 7,200 |
| Ground clearance (in.) | 8.6 |
| Approach angle (degrees) | Normal = 25.7; Off-road I = 27.8; Off-road II = 29.8 |
| Departure angle (degrees) | Normal = 23.1; Off-road I = 25.1; Off-road II = 27.1 |
| Breakover angle (degrees) | Normal = 18.2; Off-road I = 20.5; Off-road II = 22.8 |
| Bumper-to-bumper | 3 years/36,000 miles |
| Powertrain | 5 years/100,000 miles |
| Corrosion | 5 years/100,000 miles |
| Roadside assistance | 5 years/100,000 miles |
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