Flat-twelve engine

Flat-twelve - Horizontally-opposed 12-cylinder piston engine. Article “Flat-twelve engine” in English Wikipedia has 26.4 points for quality (as of July 1, 2025). The article contains 8 references and 7 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2025 the article “Flat-twelve engine” was edited by 1 authors in English Wikipedia and written by 10 authors in all languages.

Since the creation of article “Flat-twelve engine”, its content was written by 69 registered users of English Wikipedia and edited by 107 registered Wikipedia users in all languages.

The article is cited 252 times in English Wikipedia and cited 711 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #10958 in September 2003
• Global: #22147 in September 2003

The highest popularity rank from 2008:

• Local (English): #133145 in March 2019
• Global: #212311 in March 2019

There are 7 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Flat-twelve engine		26.4071
2	Chinese (zh) 水平對臥十二缸引擎		22.1859
3	Korean (ko) 12기통 수평 엔진		21.1247
4	Italian (it) Motore a dodici cilindri contrapposti		20.9608
5	French (fr) Moteur 12 cylindres à plat		19.717
6	Japanese (ja) 水平対向12気筒		10.3279
7	Portuguese (pt) Motor boxer de doze cilindros		4.4371

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Flat-twelve engine" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Flat-twelve engine		873 035
2	Japanese (ja) 水平対向12気筒		174 393
3	Portuguese (pt) Motor boxer de doze cilindros		36 307
4	Chinese (zh) 水平對臥十二缸引擎		25 835
5	Italian (it) Motore a dodici cilindri contrapposti		3 929
6	Korean (ko) 12기통 수평 엔진		1 670
7	French (fr) Moteur 12 cylindres à plat		73

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Flat-twelve engine" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Flat-twelve engine		3 418
2	Japanese (ja) 水平対向12気筒		566
3	Chinese (zh) 水平對臥十二缸引擎		100
4	Portuguese (pt) Motor boxer de doze cilindros		94
5	Italian (it) Motore a dodici cilindri contrapposti		75
6	French (fr) Moteur 12 cylindres à plat		73
7	Korean (ko) 12기통 수평 엔진		21

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Flat-twelve engine" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Flat-twelve engine		69
2	Japanese (ja) 水平対向12気筒		19
3	Italian (it) Motore a dodici cilindri contrapposti		10
4	French (fr) Moteur 12 cylindres à plat		4
5	Korean (ko) 12기통 수평 엔진		2
6	Portuguese (pt) Motor boxer de doze cilindros		2
7	Chinese (zh) 水平對臥十二缸引擎		1

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Flat-twelve engine" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	French (fr) Moteur 12 cylindres à plat		7
2	English (en) Flat-twelve engine		1
3	Italian (it) Motore a dodici cilindri contrapposti		1
4	Japanese (ja) 水平対向12気筒		1
5	Korean (ko) 12기통 수평 엔진		0
6	Portuguese (pt) Motor boxer de doze cilindros		0
7	Chinese (zh) 水平對臥十二缸引擎		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Flat-twelve engine" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Flat-twelve engine		252
2	Japanese (ja) 水平対向12気筒		237
3	Portuguese (pt) Motor boxer de doze cilindros		100
4	Italian (it) Motore a dodici cilindri contrapposti		62
5	Korean (ko) 12기통 수평 엔진		36
6	Chinese (zh) 水平對臥十二缸引擎		16
7	French (fr) Moteur 12 cylindres à plat		8

More...

#	Language	Value
en	English Flat-twelve engine
fr	French Moteur 12 cylindres à plat
it	Italian Motore a dodici cilindri contrapposti
ja	Japanese 水平対向12気筒
ko	Korean 12기통 수평 엔진
pt	Portuguese Motor boxer de doze cilindros
zh	Chinese 水平對臥十二缸引擎

Best Rank

English: #133145 03.2019

Global: #212311 03.2019

Best Rank

English: #10958 09.2003

Global: #22147 09.2003

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information