1. Isuzu Bighorn 2.8-litre inline-four turbo diesel: 9-10 km/L (21-24 MPG) in city driving and 11-12 km/L (26-28 MPG) on the highway.
2. Isuzu Bighorn 3.1-litre inline-four turbo diesel: 8-9 km/L (19-21 MPG) in city driving and 10-11 km/L (24-26 MPG) on the highway.
3. Isuzu Bighorn 3.9-litre V6 turbo diesel: 6-8 km/L (14-19 MPG) in city driving and 8-9 km/L (19-21 MPG) on the highway.
Please note that these figures are approximate and may vary depending on factors such as driving conditions, maintenance, and personal driving habits. For the most accurate fuel consumption information, consult the owner's manual of your specific Isuzu Bighorn 1995 model.