Prince engine
Encyclopedia
Prince is the codename for a family of modern automobile
straight-4
engines developed jointly by BMW
and PSA Peugeot Citroën
. It is a compact engine family of 1.4–1.6 L in displacement and includes most modern features including gasoline direct injection
and variable valve timing
.
For BMW, the engines replace the Tritec engine
family in the Mini
. PSA has started to use the Prince family in place of their TU family
— the Peugeot 207
being the first car to receive it.
The engines’ components will be produced by PSA at their Douvrin
, France, facility, with Mini engine construction at Hams Hall
in Birmingham
, England. The joint venture was announced on 23 July 2002 with the first engines produced in 2005. The Prince engine project is not related to the Prince Motor Company
.
In late 2006, an extension of the cooperation between the two groups was announced, promising new four-cylinder engines, without further details.
On 29 September 2010, it was announced that the 1.6T version of the Prince engine would be supplied from 2012 to Saab
for use in forthcoming models, primarily the 9-3.
In Geneva auto show 2011, Saab unveiled their latest concept vehicle Saab PhoeniX with BMW Prince Engine 1.6T 200 hp
family, but with bore and stroke measurements identical to the Tritec engine
family. Some of the engineering was provided by BMW, including their Valvetronic
variable valve lift system on the intake side. Other features include on-demand oil and water pumps. Gasoline direct injection
with a twin-scroll turbocharger
will be optional.http://bimmerportal.com/productReviews.aspx
All Prince engines will share 84 mm (3.3 in) cylinder spacing and a 77 mm (3 in) bore. The engine features a two-piece "bedplate" aluminum crankcase for extra stiffness.
(136–140 N·m
).
Applications:
and various Peugeot 207
models. It has a 85.8 mm (3.4 in) stroke for a total of 1598 cc of displacement.
and lost-foam cast heads. Its high 11:1 compression ratio
creates an output of 120 PS (118 hp/88 kW) at 6000 rpm with a redline of 6500 rpm. Torque is 118 lb-ft (160 N·m) at 4250 rpm.
Applications:
and has special low-pressure die-cast heads.
At first, there were two versions on offer - the THP150 and THP175, also known as the EP6DT and EP6DTS respectively within Peugeot. The first was later updated as EP6CDT.
For the THP150 maximum torque is 177 lb-ft (240 N·m) at 1400 rpm, remaining flat to 5000 rpm. Power output is 150 PS (148 hp/110 kW) at 5500 rpm.
Applications:
For the THP175 maximum torque is 178 lb-ft (247 N·m) at 1600 rpm, remaining flat to 5000 rpm. Power output is 175 PS (173 hp/128 kW) at 5500 rpm. An overboost function is available which temporarily increases torque to 192 lb-ft (260 N·m) between 1700 rpm and 4500 rpm in gears 3 to 5.
Applications:
In 2010 Peugeot released 1.6 THP engine (EP6CDTX)with 200 hp at 5500 RPM, maximum torque 275 @ 1700 RPM.
Applications:
Automobile
An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...
straight-4
Straight-4
The inline-four engine or straight-four engine is an internal combustion engine with all four cylinders mounted in a straight line, or plane along the crankcase. The single bank of cylinders may be oriented in either a vertical or an inclined plane with all the pistons driving a common crankshaft....
engines developed jointly by BMW
BMW
Bayerische Motoren Werke AG is a German automobile, motorcycle and engine manufacturing company founded in 1916. It also owns and produces the Mini marque, and is the parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad and Husqvarna brands...
and PSA Peugeot Citroën
PSA Peugeot Citroën
PSA Peugeot Citroën is a French manufacturer of automobiles and motorcycles sold under the Peugeot and Citroën marques. Headquartered in the 16th arrondissement of Paris, PSA is the second largest automaker based in Europe and the number eight in the world.-History:In December 1974 Peugeot S.A....
. It is a compact engine family of 1.4–1.6 L in displacement and includes most modern features including gasoline direct injection
Gasoline direct injection
In internal combustion engines, gasoline direct injection , also known as petrol direct injection or direct petrol injection, is a variant of fuel injection employed in modern two-stroke and four-stroke gasoline engines...
and variable valve timing
Variable valve timing
In internal combustion engines, variable valve timing , also known as Variable valve actuation , is a generalized term used to describe any mechanism or method that can alter the shape or timing of a valve lift event within an internal combustion engine...
.
For BMW, the engines replace the Tritec engine
Tritec engine
In 1997, Chrysler Corporation and Rover Group formed Tritec, a joint venture to design a new small straight-4 engine for small cars. They built a factory in Campo Largo of Curitiba, Brazil, to manufacture the engine. When BMW sold Rover Group, BMW retained the stake in Tritec.It is also called the...
family in the Mini
MINI (BMW)
Mini is a British automotive marque owned by BMW which specialises in small cars.Mini originated as a specific vehicle, a small car originally known as the Morris Mini-Minor and the Austin Seven, launched by the British Motor Corporation in 1959, and developed into a brand encompassing a range of...
. PSA has started to use the Prince family in place of their TU family
PSA TU engine
The PSA TU engine is a family of small four-cylinder engines used in the Peugeot and Citroën range of cars. It was introduced in 1986 with the Citroën AX, replacing the X family, although it shared many components with its predecessor...
— the Peugeot 207
Peugeot 207
The Peugeot 207 is a small family car produced by the French automaker Peugeot and unveiled in January 2006.-Launch:The 207 was launched in France, Spain and Italy during April 2006 and later on in other European, Israeli and Arabic markets....
being the first car to receive it.
The engines’ components will be produced by PSA at their Douvrin
Douvrin
Douvrin is a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France.-Geography:An ex-coalmining town some east of Béthune and southwest of Lille, at the junction of the D165, the D163 and the N47 roads...
, France, facility, with Mini engine construction at Hams Hall
Hams Hall
Hams Hall is a place near Lea Marston in North Warwickshire, England, named after the manor house which formerly stood there.-Hams Hall Rail Freight Terminal:http://www.hamshallrailterminal.co.uk...
in Birmingham
Birmingham
Birmingham is a city and metropolitan borough in the West Midlands of England. It is the most populous British city outside the capital London, with a population of 1,036,900 , and lies at the heart of the West Midlands conurbation, the second most populous urban area in the United Kingdom with a...
, England. The joint venture was announced on 23 July 2002 with the first engines produced in 2005. The Prince engine project is not related to the Prince Motor Company
Prince Motor Company
Prince Motor Company was a Japanese automobile manufacturer from 1952 until its merger with Nissan in 1966. Prince began as the Tachikawa Aircraft Company, a producer of the famous Japanese Zero fighter planes used in WWII...
.
In late 2006, an extension of the cooperation between the two groups was announced, promising new four-cylinder engines, without further details.
On 29 September 2010, it was announced that the 1.6T version of the Prince engine would be supplied from 2012 to Saab
Saab Automobile
Saab Automobile AB, better known as Saab , is a Swedish car manufacturer owned by Dutch automobile manufacturer Swedish Automobile NV, formerly Spyker Cars NV. It is the exclusive automobile Royal Warrant holder as appointed by the King of Sweden...
for use in forthcoming models, primarily the 9-3.
In Geneva auto show 2011, Saab unveiled their latest concept vehicle Saab PhoeniX with BMW Prince Engine 1.6T 200 hp
Engineering
The Prince family shares its basic block dimensions with the previous PSA TU enginePSA TU engine
The PSA TU engine is a family of small four-cylinder engines used in the Peugeot and Citroën range of cars. It was introduced in 1986 with the Citroën AX, replacing the X family, although it shared many components with its predecessor...
family, but with bore and stroke measurements identical to the Tritec engine
Tritec engine
In 1997, Chrysler Corporation and Rover Group formed Tritec, a joint venture to design a new small straight-4 engine for small cars. They built a factory in Campo Largo of Curitiba, Brazil, to manufacture the engine. When BMW sold Rover Group, BMW retained the stake in Tritec.It is also called the...
family. Some of the engineering was provided by BMW, including their Valvetronic
Valvetronic
The Valvetronic system is a variable valve timing system to offer continuous and precisely variable intake valve lift, from ~0 to 10 mm, and duration. It typically works in conjunction with the independent Double VANOS system that continuously varies the timing...
variable valve lift system on the intake side. Other features include on-demand oil and water pumps. Gasoline direct injection
Gasoline direct injection
In internal combustion engines, gasoline direct injection , also known as petrol direct injection or direct petrol injection, is a variant of fuel injection employed in modern two-stroke and four-stroke gasoline engines...
with a twin-scroll turbocharger
Turbocharger
A turbocharger, or turbo , from the Greek "τύρβη" is a centrifugal compressor powered by a turbine that is driven by an engine's exhaust gases. Its benefit lies with the compressor increasing the mass of air entering the engine , thereby resulting in greater performance...
will be optional.http://bimmerportal.com/productReviews.aspx
All Prince engines will share 84 mm (3.3 in) cylinder spacing and a 77 mm (3 in) bore. The engine features a two-piece "bedplate" aluminum crankcase for extra stiffness.
1.4
The 1.4 L PSA EP3 and EP3C is the smallest member of the Prince family with a stroke measuring 75 mm (2.9 in) and total capacity of 1397 cc. Depending on application, power output varies from 90 PS to 95 PS while torque can range between 100–103 lb-ftPound-foot (torque)
A pound-foot is a unit of torque . One pound-foot is the torque created by one pound force acting at a perpendicular distance of one foot from a pivot point....
(136–140 N·m
Newton metre
A newton metre is a unit of torque in the SI system. The symbolic form is N m or N·m, and sometimes hyphenated newton-metre...
).
Applications:
- 2005-2006 Peugeot 307Peugeot 307The Peugeot 307 is a small family car produced by the French Peugeot manufacturer since 2001. It was awarded the European Car of the Year title for 2002, and continues to be offered in China and certain South American markets through 2009 despite the French launch of the 308 in September...
- 2005–present Peugeot 207Peugeot 207The Peugeot 207 is a small family car produced by the French automaker Peugeot and unveiled in January 2006.-Launch:The 207 was launched in France, Spain and Italy during April 2006 and later on in other European, Israeli and Arabic markets....
- 2007–present Mini OneMINI (BMW)Mini is a British automotive marque owned by BMW which specialises in small cars.Mini originated as a specific vehicle, a small car originally known as the Morris Mini-Minor and the Austin Seven, launched by the British Motor Corporation in 1959, and developed into a brand encompassing a range of...
- 2007–present Peugeot 308Peugeot 308The Peugeot 308 is a small family car produced by the French car manufacturer Peugeot. It was unveiled on June 5, 2007 and sales started from September 2007. Its development code was "Project T7", and is the first car of the X08 generation of Peugeot models. The 308 features a range of petrol and...
- 2009–present Citroën C3Citroën C3The Citroën C3 is a supermini car equipped with a range of inline-four engines that has been produced by the French automaker Citroën since 2002. It was designed by Donato Coco and Jean-Pierre Ploué, previously known for designing the first generation Renault Twingo; the former has been the head of...
1.6
The 1.6 L engine is used in the second-generation MINIMINI (BMW)
Mini is a British automotive marque owned by BMW which specialises in small cars.Mini originated as a specific vehicle, a small car originally known as the Morris Mini-Minor and the Austin Seven, launched by the British Motor Corporation in 1959, and developed into a brand encompassing a range of...
and various Peugeot 207
Peugeot 207
The Peugeot 207 is a small family car produced by the French automaker Peugeot and unveiled in January 2006.-Launch:The 207 was launched in France, Spain and Italy during April 2006 and later on in other European, Israeli and Arabic markets....
models. It has a 85.8 mm (3.4 in) stroke for a total of 1598 cc of displacement.
Naturally aspirated
The naturally aspirated variant (EP6, EP6C) has conventional fuel injectionFuel injection
Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....
and lost-foam cast heads. Its high 11:1 compression ratio
Compression ratio
The 'compression ratio' of an internal-combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its largest capacity to its smallest capacity...
creates an output of 120 PS (118 hp/88 kW) at 6000 rpm with a redline of 6500 rpm. Torque is 118 lb-ft (160 N·m) at 4250 rpm.
Applications:
- 2007–present Peugeot 207Peugeot 207The Peugeot 207 is a small family car produced by the French automaker Peugeot and unveiled in January 2006.-Launch:The 207 was launched in France, Spain and Italy during April 2006 and later on in other European, Israeli and Arabic markets....
Sport - 2007–present MINI CooperMini Hatch (2007-)Mini introduced an all-new, second generation of the Hardtop/Hatch model for the 2007 model year, on a re-engineered platform incorporating many stylistic and engineering changes...
- 2007–present Peugeot 308Peugeot 308The Peugeot 308 is a small family car produced by the French car manufacturer Peugeot. It was unveiled on June 5, 2007 and sales started from September 2007. Its development code was "Project T7", and is the first car of the X08 generation of Peugeot models. The 308 features a range of petrol and...
- 2008–present Citroën C4Citroën C4The Citroën C4 is a small family car produced by French automaker Citroën since autumn 2004. The C4 was designed to be the successor to the Citroën Xsara. It is mechanically similar to the Peugeot 308, which was launched in 2007. A revised version with new front end, reverse light and dashboard...
- 2009–present Citroën DS3Citroën DS3The Citroën DS3 is a supermini, produced by French manufacturer Citroën from 2009. This is the first car in the new DS range from Citroën. It was first hinted by the concept car Citroën DS Inside. This range of vehicle shares no common feature with, and is in no way the successor to, the Citroën DS...
Turbocharged
The turbocharged 1.6 L unit adds gasoline direct injectionGasoline direct injection
In internal combustion engines, gasoline direct injection , also known as petrol direct injection or direct petrol injection, is a variant of fuel injection employed in modern two-stroke and four-stroke gasoline engines...
and has special low-pressure die-cast heads.
At first, there were two versions on offer - the THP150 and THP175, also known as the EP6DT and EP6DTS respectively within Peugeot. The first was later updated as EP6CDT.
For the THP150 maximum torque is 177 lb-ft (240 N·m) at 1400 rpm, remaining flat to 5000 rpm. Power output is 150 PS (148 hp/110 kW) at 5500 rpm.
Applications:
- 2006–present Peugeot 207Peugeot 207The Peugeot 207 is a small family car produced by the French automaker Peugeot and unveiled in January 2006.-Launch:The 207 was launched in France, Spain and Italy during April 2006 and later on in other European, Israeli and Arabic markets....
CC/GT - 2007–present Peugeot 308Peugeot 308The Peugeot 308 is a small family car produced by the French car manufacturer Peugeot. It was unveiled on June 5, 2007 and sales started from September 2007. Its development code was "Project T7", and is the first car of the X08 generation of Peugeot models. The 308 features a range of petrol and...
- 2008–present Citroën C4Citroën C4The Citroën C4 is a small family car produced by French automaker Citroën since autumn 2004. The C4 was designed to be the successor to the Citroën Xsara. It is mechanically similar to the Peugeot 308, which was launched in 2007. A revised version with new front end, reverse light and dashboard...
- 2009–present Citroën DS3Citroën DS3The Citroën DS3 is a supermini, produced by French manufacturer Citroën from 2009. This is the first car in the new DS range from Citroën. It was first hinted by the concept car Citroën DS Inside. This range of vehicle shares no common feature with, and is in no way the successor to, the Citroën DS...
For the THP175 maximum torque is 178 lb-ft (247 N·m) at 1600 rpm, remaining flat to 5000 rpm. Power output is 175 PS (173 hp/128 kW) at 5500 rpm. An overboost function is available which temporarily increases torque to 192 lb-ft (260 N·m) between 1700 rpm and 4500 rpm in gears 3 to 5.
Applications:
- 2006–2010 Peugeot 207Peugeot 207The Peugeot 207 is a small family car produced by the French automaker Peugeot and unveiled in January 2006.-Launch:The 207 was launched in France, Spain and Italy during April 2006 and later on in other European, Israeli and Arabic markets....
RC - 2007–present Mini Cooper SMini Hatch (2007-)Mini introduced an all-new, second generation of the Hardtop/Hatch model for the 2007 model year, on a re-engineered platform incorporating many stylistic and engineering changes...
- 2008–present Peugeot 308Peugeot 308The Peugeot 308 is a small family car produced by the French car manufacturer Peugeot. It was unveiled on June 5, 2007 and sales started from September 2007. Its development code was "Project T7", and is the first car of the X08 generation of Peugeot models. The 308 features a range of petrol and...
In 2010 Peugeot released 1.6 THP engine (EP6CDTX)with 200 hp at 5500 RPM, maximum torque 275 @ 1700 RPM.
Applications:
- 2010–present Peugeot RCZ
- 2010–present Peugeot 308 GTi