Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 180/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 24.21 (615) | -1.81 (-46) -7% |
| Width inches (mm) | 7.87 (200) | 7.09 (180) | -0.79 (-20) -10% |
| Circum. inches (mm) | 81.76 (2076.59) | 76.07 (1932.08) | -5.69 (-144.51) -7% |
| Sidewall Height inches (mm) | 5.51 (140) | 4.61 (117) | -0.91 (-23) -16.4% |
| Revolutions per mile (km) | 774.99 (481.56) | 832.96 (517.58) | 57.97 (36.02) 7.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.61 mph (29.95 km/h) |
| 25 mph (40.23 km/h) | 23.26 mph (37.43 km/h) |
| 30 mph (48.28 km/h) | 27.91 mph (44.92 km/h) |
| 35 mph (56.33 km/h) | 32.56 mph (52.41 km/h) |
| 40 mph (64.37 km/h) | 37.22 mph (59.89 km/h) |
| 45 mph (72.42 km/h) | 41.87 mph (67.38 km/h) |
| 50 mph (80.47 km/h) | 46.52 mph (74.87 km/h) |
| 55 mph (88.51 km/h) | 51.17 mph (82.35 km/h) |
| 60 mph (96.56 km/h) | 55.82 mph (89.84 km/h) |
| 65 mph (104.61 km/h) | 60.48 mph (97.33 km/h) |
| 70 mph (112.65 km/h) | 65.13 mph (104.81 km/h) |
| 75 mph (120.7 km/h) | 69.78 mph (112.3 km/h) |
| 80 mph (128.75 km/h) | 74.43 mph (119.79 km/h) |
| 85 mph (136.79 km/h) | 79.08 mph (127.27 km/h) |
| 90 mph (144.84 km/h) | 83.74 mph (134.76 km/h) |
| 95 mph (152.89 km/h) | 88.39 mph (142.25 km/h) |
| 100 mph (160.93 km/h) | 93.04 mph (149.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2120 | 2462 | 2652 | 2769 | 2895 | 2986 | 3085 | 3202 | 3364 | 3527 | 3707 | 3852 | 4113 | 4402 | 4627 | 4772 | 4853 | 5150 | 5565 | 6467 |
Better Fuel Economy Factory Ratios Increased Power
