Alfa Romeo 75

Alfa Romeo 75
Valmistustiedot
Valmistusmaa  Italia
Valmistaja Alfa Romeo
Valmistusvuodet 1985–1992
Muut nimet Alfa Romeo Milano
Korimalli 4-ovinen sedan
Luokka D-segmentti
Edeltäjä Alfa Romeo Giulietta
Seuraaja Alfa Romeo 155
Teknisesti samankaltaisia Alfa Romeo Alfetta
Tekniset tiedot
Moottori R4
V6
Iskutilavuus 1,6–3,0 l
Polttoaine bensiini
diesel
Vetotapa takaveto
Vaihteisto 5-vaihteinen manuaali
3-vaihteinen automaatti

Alfa Romeo 75 on Alfa Romeon vuosina 1985–1992 valmistama ylemmän keskiluokan neliovinen sedan, joka korvasi Alfa Romeo Giuliettan. Pohjois-Amerikassa autoa myytiin nimellä Alfa Romeo Milano. 75-mallin korvaajaksi tuli etuvetoinen 155, jolloin se jäi pitkäksi aikaa valmistajan viimeiseksi sarjavalmisteiseksi takavetoiseksi malliksi, kunnes vuonna 2015 esiteltiin uusi takavetoinen Giulia.[1]

Alfa Romeo 75 esiteltiin keväällä 1985. Suuri osa tekniikasta oli peräisin Alfetta-mallista. Korin ilmanvastuskerroin oli 0,34. Bensiinimoottorivalikoimassa olivat aluksi 1,6- (110 hv), 1,8- (120 hv) ja 2,0-litraiset (128 hv) kaasutinmoottorit sekä polttoaineen suihkutuksella varustettu 2,5-litrainen V6 (156 hv) Quadrifoglio Verde -mallissa. Ainoa dieselvaihtoehto oli turboahdettu 2,0-litrainen (95 hv). Vuonna 1986 markkinoille tuli 1,8-litraisesta myös turboahdettu versio, jonka teho oli 155 hevosvoimaa.[2] Autossa käytettiin Alfettan pohjalta transakselirakennetta, jossa moottori on edessä ja vaihteisto takana tasauspyörästön kanssa.[3]

Alfa Romeo Milano Quadrifoglio Verde

Vuonna 1987 2,0-litrainen moottori muuttui suihkutustyyppiseksi ja sai myös muuttuvan venttiilien ajoituksen sekä kaksi sytytystulppaa sylinteriä kohden. Uudistusten myötä moottorin teho nousi 148 hevosvoimaan. Samaan aikaan valmistaja esitteli Yhdysvaltain markkinoille 3,0-litraisen (186 hv) version V6-moottorista.[2]

Seuraavana vuonna myös 1,8-litrainen moottori sai polttoaineen suihkutuksen. Teho pysyi ennallaan, mutta moottori oli aiempaa vääntävämpi. Dieselvalikoima laajentui 2,4-litraisella (110 hv) turbodieselillä.[2]

Facelift-mallin Alfa Romeo 75.

Vuodenvaihteessa 1989–1990 moottorivalikoimaan lisättiin polttoaineen suihkutuksella varustettu 1,6-litrainen (105 hv), mutta vanha 1,6-litrainen kaasutinversio jäi sen rinnalle vielä joksikin aikaa. Samalla 2,0-litrainen ja 3,0 litran V6 saivat katalysaattorit. Vuonna 1990 myös 1,8-litrainen turbomoottori sai 10 hevosvoimaa lisää tehoa. 3,0-litraista V6-moottoria uudistettiin uudella ruiskutusjärjestelmällä, nokka-akselilla ja pakoputkistolla, jolloin sen teho nousi 192 hevosvoimaan.[2]

Lähteet

  1. ↑ Alfa Romeo Giulia – takaisin tuntumaan Moottori. 27.8.2016. Viitattu 19.2.2017.
  2. ↑ a b c d Alfa Romeo 75 Carsfromitaly.net. Viitattu 19.2.2017. (englanniksi)
  3. ↑ Matthias Kierse: 35 Years of Alfa Romeo 75 secret-classics.com. 30.6.2020. Viitattu 25.2.2023. (englanniksi)

Aiheesta muualla

Alfa Romeon (Alfa Romeo Automobiles S.p.A.) automallit
Nykyiset mallitGiulia · Stelvio · Tonale · Junior
Entiset mallit (esittelyvuoden mukaan)1910–1919: 24 HP · 40–60HP
1920–1945: 20–30HP · 6C · 8C · G1/G2 · RL · RM
1945–1959: 1900 · 2000 · Giulietta · Gran Sport Quattroruote
1960–1969: 1750/2000 · 2600 · Giulia · Spider · Montreal · 105/115-sarja · GTA · 33 Stradale
1970–1979: 2300 · Alfa 6 · Alfasud · Alfetta · Alfetta GTV · Giulietta (1977) · Sprint
1980–1989: 164 · 33 · 75 · 90 · Arna · SZ/RZ
1990–1999: 145/146 · 155 · 156 · 166 · GTV · Spider (1994)
2000–2009: 147 · GT · 159 · MiTo · Brera · Spider (2006) · 8C Competizione
2010–: Giulietta · 4C
Tulevat mallit
Konseptimallit33.2 ·

2000 Sportiva · BAT 5/7/9 · Bella · Caimano · Canguro · Capsula · Carabo · Centauri · Cuneo · Dardo · Delfino · Diva · Disco Volante · Giulietta Bertone Spider · Iguana · Kamal · Monoposto · Navajo · Nuvola · Progetto Cinque · Protéo · Scarabeo · Scighera · Sportut · Visconti · Vivace · Vola ·

Zeta 6
HyötyajoneuvotPakettiautot: Romeo · Romeo 2 · Romeo 3 · A11/F11A12/F12 · AR6 · AR8
Kuorma-autot: 430 · 500 · 800 · 900 · 950 · Mille (1000) · A19n
Linja-autot: 140 A. · 900 A. · 950. · Mille (1000) · 110AF · 140AF · 900

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