Carlton (Omega A) UK models:
1.8 carb (18SV, 18NV, E18NVR, S18NV) - L and GL (upto 1990MY??)
1.8i (C18NE) - L and GL (1990MY-93MY)
2.0i (20SE) - L, GL, CD, Voyager (up to 1990MY)
2.0i (C20NE) - L, GL, CD, Club, Diamond (1990MY-93MY)
2.3D (23YD) - L, GL (up to 1990MY)
2.3TD (23YDT or 23DTR) - L, GL, CD (1990MY-1993MY)
2.4i (C24NE) - not used in the UK
2.6i (C26NE) - CDX (1991MY-94MY)
3.0i 12v (30NE) - GSi 3000 (up to 1989MY)
3.0i 12v (C30NE/C30LE) - CDX estate (1990MY)
3.0i 24v (C30SE) - GSi 3000 (1990MY - 1993MY)
3.0i 24v (C30SEJ) - Diamond estate (1993MY)
3.6i twin turbo (C36GET) - Lotus Carlton
2.6 also used in Police spec. cars
Senator models
2.5i (25NE) - Base models (1987MY-1990MY)
2.6i (C26NE) - Base models (1991MY-1992MY), CD models (1993MY)
3.0i (30NE) - Base models, CD (1987MY-1990MY)
3.0i (C30NE/C30LE) - Base models (1991MY-1992MY), CD (1991MY-1993MY)
3.0i 24v (C30SE) - CD (1990MY-1993MY)
3.0i and 3.0i 24v used in Police spec cars.
1.8 carb(18SV), 1.8 injection(18SEH), 2.0 injection (20SE), 2.3TD (23DTR), 2.6 petrol straight six (C26NE), 3.0 straight six 12 valve (C30NE and C30SE), 3.0 straight six 24 valve (C30XEI) and 3.6 straight six 24 valve twin turbo (C36GET).