Bränsleförbrukning: 19 av 19 varianter har data.
Austin MG Montego Turbo toppar Austin Montego-rankningen efter Bränsleförbrukning, med 8,6 l/100km.
Bland 19 rankade varianter sträcker sig Bränsleförbrukning från 5,0 l/100km till 8,6 l/100km.
| # | Variant | År | Kaross | Bränsle | Bränsleförbrukning |
|---|---|---|---|---|---|
| 1 | Austin MG Montego Turbo | 1985 | Sedan | Bensin | 8,6 l/100km |
| 2 | Austin Montego Estate 2.0i GT | 1989 | Kombi | Bensin | 8,3 l/100km |
| 3 | Austin Montego 2.0i GT | 1989 | Sedan | Bensin | 8,3 l/100km |
| 4 | Austin Montego Estate 2.0i HL | 1986 | Kombi | Bensin | 8,3 l/100km |
| 5 | Austin Montego 2.0i Mayfair | 1986 | Sedan | Bensin | 8,3 l/100km |
| 6 | Austin MG Montego | 1985 | Sedan | Bensin | 8,3 l/100km |
| 7 | Austin Montego 2.0 Mayfair | 1985 | Halvkombi | Bensin | 7,5 l/100km |
| 8 | Austin Montego Estate 1.6 LS | 1985 | Kombi | Bensin | 7,2 l/100km |
| 9 | Austin Montego 1.6 LS | 1984 | Sedan | Bensin | 7,2 l/100km |
| 10 | Austin Montego 1.6 HL | 1984 | Sedan | Bensin | 7,2 l/100km |
| 11 | Austin Montego Estate 1.6 L | 1989 | Kombi | Bensin | 7,0 l/100km |
| 12 | Austin Montego Estate 1.6 SL | 1989 | Kombi | Bensin | 7,0 l/100km |
| 13 | Austin Montego 1.6 L | 1989 | Sedan | Bensin | 7,0 l/100km |
| 14 | Austin Montego 1.6 SL | 1989 | Sedan | Bensin | 7,0 l/100km |
| 15 | Austin Montego 1.3 | 1984 | Sedan | Bensin | 6,8 l/100km |
| 16 | Austin Montego Estate 2.0 D Turbo L | 1989 | Kombi | Diesel | 5,0 l/100km |
| 17 | Austin Montego Estate 2.0 D Turbo SL | 1989 | Kombi | Diesel | 5,0 l/100km |
| 18 | Austin Montego 2.0 D Turbo L | 1989 | Sedan | Diesel | 5,0 l/100km |
| 19 | Austin Montego 2.0 D Turbo SL | 1989 | Sedan | Diesel | 5,0 l/100km |