BMW X3 (2017) is 127 mm (5.00 inch) wider than Isuzu D-Max (2015).
Isuzu D-Max (2015) is 324 mm (12.76 inch) longer, 104 mm (4.09 inch) higher, 128 kg (282 lbs) lighter and has 486 liters (17.16 ft3) bigger cargo space than BMW X3 (2017).
Size difference at a glance
BMW X3 (2017) is 6.4% shorter than Isuzu D-Max (2015).
BMW X3 (2017) is 6.8% wider than Isuzu D-Max (2015).
BMW X3 (2017) is 5.8% lower than Isuzu D-Max (2015).
BMW X3 (2017) is 7.7% heavier than Isuzu D-Max (2015).
BMW X3 (2017) is 46.9% smaller in cargo space than Isuzu D-Max (2015).
Summary
Isuzu D-Max (2015) is the larger car on 3 of 4 key dimensions.