FORFOUR (454) (01/2004-06/2006):
1.1 (454.030) 75CV (01/2004-06/2006) Gasolina (M 134.910)
1.3 (454.031) 95CV (01/2004-06/2006) Gasolina (M 135.930)
1.5 (454.032) 109CV (01/2004-06/2006) Gasolina (M 135.950)
1.5 CDI (454.000) 68CV (09/2004-06/2006) Diésel (OM 639.939)
1.5 CDI (454.001) 95CV (09/2004-06/2006) Diésel (OM 639.939)
1.5 BRABUS (454.034) 177CV (05/2005-06/2006) Gasolina (M 122.950)
1.1 (454.033) 64CV (02/2005-06/2006) Gasolina (M 134.911)
FORTWO Coupe (451) (01/2007-):
1.0 Turbo (451.332) 84CV (01/2007-) Gasolina (M 132.930)
1.0 (451.330, 451.334) 61CV (01/2007-) Gasolina (M 132.910)
1.0 (451.331, 451.380) 71CV (01/2007-) Gasolina (M 132.910)
0.8 CDi (451.300) 45CV (01/2007-) Diésel (OM 660.950)
1.0 Brabus (451.333) 98CV (01/2008-) Gasolina (M 132.930)
0.8 CDi (451.301) 54CV (08/2009-) Diésel (OM 660.951)
1.0 Turbo Brabus (451.333) 102CV (07/2010-) Gasolina (M 132.930)
FORTWO Cabrio (451) (01/2007-):
1.0 (451.431, 451.480) 71CV (01/2007-) Gasolina (M 132.910)
1.0 Turbo (451.432) 84CV (01/2007-) Gasolina (M 132.930)
0.8 CDi (451.400) 45CV (01/2007-) Diésel (OM 660.950)
1.0 Brabus (451.433) 98CV (01/2008-) Gasolina (M 132.930)
0.8 CDi (451.401) 54CV (08/2009-) Diésel (OM 660.951)
1.0 Turbo Brabus (451.433) 102CV (07/2010-) Gasolina (M 132.930)
Motores SMART: M 134.910,M 135.930,M 135.950,OM 639.939,M 122.950,M 134.911,M 132.930,M 132.910,OM 660.950,OM 660.951