Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 300/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 29.17 (741) | 3.15 (80) 12.1% |
| Width inches (mm) | 7.87 (200) | 11.81 (300) | 3.94 (100) 50% |
| Circum. inches (mm) | 81.76 (2076.59) | 91.65 (2327.92) | 9.89 (251.33) 12.1% |
| Sidewall Height inches (mm) | 5.51 (140) | 7.09 (180) | 1.57 (40) 28.6% |
| Revolutions per mile (km) | 774.99 (481.56) | 691.32 (429.57) | -83.67 (-51.99) -10.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.42 mph (36.08 km/h) |
| 25 mph (40.23 km/h) | 28.03 mph (45.1 km/h) |
| 30 mph (48.28 km/h) | 33.63 mph (54.12 km/h) |
| 35 mph (56.33 km/h) | 39.24 mph (63.14 km/h) |
| 40 mph (64.37 km/h) | 44.84 mph (72.16 km/h) |
| 45 mph (72.42 km/h) | 50.45 mph (81.19 km/h) |
| 50 mph (80.47 km/h) | 56.05 mph (90.21 km/h) |
| 55 mph (88.51 km/h) | 61.66 mph (99.23 km/h) |
| 60 mph (96.56 km/h) | 67.26 mph (108.25 km/h) |
| 65 mph (104.61 km/h) | 72.87 mph (117.27 km/h) |
| 70 mph (112.65 km/h) | 78.47 mph (126.29 km/h) |
| 75 mph (120.7 km/h) | 84.08 mph (135.31 km/h) |
| 80 mph (128.75 km/h) | 89.68 mph (144.33 km/h) |
| 85 mph (136.79 km/h) | 95.29 mph (153.35 km/h) |
| 90 mph (144.84 km/h) | 100.89 mph (162.37 km/h) |
| 95 mph (152.89 km/h) | 106.5 mph (171.39 km/h) |
| 100 mph (160.93 km/h) | 112.1 mph (180.41 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1759 | 2044 | 2201 | 2298 | 2403 | 2478 | 2560 | 2658 | 2792 | 2927 | 3077 | 3197 | 3414 | 3653 | 3840 | 3960 | 4028 | 4275 | 4619 | 5368 |
Better Fuel Economy Factory Ratios Increased Power
