There are many special achievements in "Test Drive Unlimited: Crown of the Sun". The achievement of maintaining 248 miles is one of the more troublesome ones. The way to complete the achievement is that the vehicle speed reaches 400KM/H for the first time, which is 248 miles. hour, which would require a supercar to achieve.
How to maintain the 248-mile achievement in Sun Crown with Unlimited Test Drive
Stay above 248MPH! - Reach 400 km/h (248 mph) for the first time
It might take a supercar to do it. In pursuit of this achievement, I drove my Porsche 918 Hybrid. Fast traveling to the Aberdeen East Gas Station and heading up the tunnel is the easiest way to unlock this achievement. As shown below
This one may take a hyper-car to pull off. I was in my Porsche 918 Hybrid when going for this achievement. Fast traveling to the Aberdeen East Gas Station and traveling up the tunnel is the easiest way to unlock this achievement. Shown in the image below
