The 1.9 L 4-cylinder in the Suzuki Grand Vitara is a solid, mid-range diesel — enough torque to be genuinely useful, calibrated cautiously enough to survive every market where the manufacturer sells it. The result is a factory map that's deliberately muted. Most of the real-world gain we make on a remap comes from recovering that headroom safely.
Our dyno-developed map for the Suzuki Grand Vitara adds an average of 18 kW (24%) at the wheels and 63 Nm (21%) of engine torque. At this level the car genuinely changes character — overtaking on single-lane highways stops being a commitment, and the mid-range pull from around 1,500 to 3,000 rpm is transformed. You notice it most on the highway on-ramp and in the first third of an overtake.
In practical terms, that works out to around 8 fewer tanks of diesel over 40,000 km. At a typical 15,000 km annual mileage, most Suzuki Grand Vitara owners save roughly 204 L and $367 per year at the pump — purely from improved combustion efficiency at part-throttle, where diesels spend most of their time.
This Suzuki Grand Vitara variant was sold in 2014 only. We hold the original factory calibration file for that model year and develop the map on our dyno against that specific ECU — not a generic file that also fits a different year or spec.