Jeep Wrangler 2012 3.8 petrol description
Crossover / SUV JEEP Wrangler 2012 Unlimited 3.8L V6 has been produced from January, 2012 to January, 2017. It has six-cylinder petrol engine with displacement of 3.8 litres, which produces power of 198 horsepower on 5000 rpm and torque 315 Nm (Newton metres) on 4000 revolutions per minute.
This 6-cylinder 12-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system without turbocharger. Engine versions compliant with Euro 3 and Euro 4 emission standards available. Average engine life expectancy (mileage before serious repairs are needed) is from 330 000 to 560 000 kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs
This Jeep Wrangler 3.8 engine oil type is 5W-30 and oil capacity is 4.7 litres.
JEEP Wrangler 2012 Unlimited 3.8L V6 has all four wheel drive (AWD, 4x4) and automatic gearbox with 4 gears.
JEEP Wrangler 2012 Unlimited 3.8L V6 accelerates to speed 100 kilometres per hour in 11.8 seconds. The maximum speed of this car is 175 km/h.
The fuel consumption of this JEEP Wrangler 2012 Unlimited 3.8L V6 in combined mode (combining urban and highway driving) is 12.3 litres per 100km (8.1 km/l), fuel consumption in city - 16.7 l/100km, highway fuel economy - 9 l/100km..

JEEP Wrangler 2012 Unlimited 3.8L V6 technical data
Model: | JEEP Wrangler Unlimited 3.8L V6 | ||
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Body style: | Crossover / SUV | ||
Production period: | 2012. January ... 2017. January | ||
Engine: | 3778 cm3 Petrol, 6 cylinders | CO2 emissions: | 285 g/km |
Power: | 198 HP ON 5000 RPM | Torque: | 315 NM ON 4000 RPM |
Gearbox: | Automatic gearbox (4 gears) | Drive type: | All wheel drive (AWD, 4x4) |
Maximum speed: | 175 km/h | Acceleration 0-100 km/h: | 11.8 seconds |
Fuel consumption (l/100km): | 12.3 (combined) 16.7 (urban) 9.0 (highway) | ||
Car dimensions: | 3.88m (length) 1.87m (width) 1.80m (height) | ||
Trunk capacity: | 486 litres | ||
Gross weight: | 2540 kg |
JEEP Wrangler 2012 Unlimited 3.8L V6 engine EGH 2
Engine reliability:
Overall, this engine can last around 330,000 to 560,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement | 3778 cm3 |
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Number of cylinders | 6 |
Bore (cylinder diameter) | 96 mm |
Stroke length (piston move) | 87.1 mm |
Compression ratio | 9.6 : 1 |
Camshaft drive | Timing chain Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more. |
Fuel system | Injection |
JEEP Wrangler 2012 Unlimited 3.8L V6 oil type | 5W-30 |
Oil capacity | 4.7 litres (5 quarts) |
Power | 200 - 215 HP ON 5000 RPM |
Torque | 310 - 330 NM ON 4000 RPM |
Engine manufacturer | Dodge |
Start of production (year) | 1990 |
Duration of production | 21 years |
Engine also used on | Dodge Grand Caravan Chrysler Pacifica |
Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design. |
All Jeep Wrangler crossover [2012 - 2017] modifications
Modification | Engine | Power | Consumption | Gearbox |
---|---|---|---|---|
JEEP Wrangler 2012 Unlimited 2.8L CRD 4x4
Most fuel efficient diesel version |
2.8 Diesel | 200 HP | 8.3 l/100km | Manual (6) |
JEEP Wrangler 2012 Unlimited 2.8L CRD 4x4 | 2.8 Diesel | 200 HP | 8.8 l/100km | Automatic (5) |
JEEP Wrangler 2012 Unlimited 3.6L V6 4x4
Most dynamic version - 100 km/h in 8.9 seconds |
3.6 Petrol | 285 HP | 11.7 l/100km | Automatic (5) |
JEEP Wrangler 2012 Unlimited 3.8L V6 4x4 | 3.8 Petrol | 198 HP | 12.3 l/100km | Automatic (4) |