An advance Multi-GNSS was evaluated (carrier phase, dual frequencies GNSS receivers) [5], the experimental results were divided into (i) cornering and (ii) lane changing, although, the information used was the lateral acceleration but the test results were not accurate. For cornering, the maximum lateral acceleration from SGS (single point solution) deviated just about 2% from the reference IMU while the RTK (real time kinematic solution with reference base) estimated was 5% deviated from the reference IMU. For the lane change, the estimated maximum lateral acceleration from SGS technique was around 19% deviated from the reference IMU while the RTK technique was about 5% deviation from the reference IMU. The different could be explained that the cornering motion can produce more than 10 meter in displacement which is larger than the accuracy with the single solution (SGS, less than 2 meters). On the other hand, the lane change occurred within a few meters of lateral displacements which required RTK solution accuracy (less than 0.2 meters).