Alfa Romeo Flat-4 engine
Alfa Romeo developed a flat-4 engine for their new Alfasud, introduced in 1971.
1200
The original engine displaced 1.2 L (1186 cc) with a 80 mm bore and 59 mm stroke.
Applications:
- 1971-1983 Alfa Romeo Alfasud
- 1984-1986 Alfa Romeo Arna
- 1984-1986 Nissan Cherry Europe
1300
The engine was stroked (to 64 mm) to create the 1.3 L (1286 cc) version. This engine produced 75 hp (56 kW).
Applications:
- 1977-1983 Alfa Romeo Alfasud
- 1984-1986 Clan Clan II
1400
A rare version was the 1.4 L (1350 cc) variant.
Applications:
- 1978-1983 Alfa Romeo Alfasud
1500
From 1978 until 1987, the largest member of the family was the 1.5 L (1490 cc) "1500". It produced 85 to 105 hp (63 to 78 kW). This is the largest engine to be naturally found in Alfasuds and Sprints, though many have picked them up over subsequent years.
Applications:
- 1978-1983 Alfa Romeo Alfasud
- 1984-1986 Alfa Romeo Arna
- 1984-1986 Nissan Cherry Europe
- 198?-1993 Alfa Romeo 33
1700
In 1986 the engine was increased in size to 1712cc
1700 16V
In 1990 a quad cam 16 valve version of the venerable boxer was produced, it was the most powerful to date with 137bhp. Only available in fuel injected form, the 1.7 16V was equipped with the Bosh ML 4.1 system.
The last Alfa Romeo flat-4 was produced in 1995, a run of 24 years.
| Years | Engine | Cylindrates |
|---|---|---|
| 1954–1994 | Twin Cam | 1290, 1570, 1750, 1779, 1962 |
| 1992–present | TwinSpark | 1.4, 1.6, 1.7, 1.8, 2.0 |
| 1971–1995 | Flat-4 | 1186, 1286, 1350, 1490, 1712 |
| 1979–2006 | V6 | 2.0, 2.5, 3.0, 3.2 |
| 2006–present | GM based V6 | 3.2 |