Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 235/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 30.73 (780.5) | 4.7 (119.5) 18.1% |
| Width inches (mm) | 7.87 (200) | 9.25 (235) | 1.38 (35) 17.5% |
| Circum. inches (mm) | 81.76 (2076.59) | 96.54 (2452.01) | 14.78 (375.42) 18.1% |
| Sidewall Height inches (mm) | 5.51 (140) | 7.86 (199.75) | 2.35 (59.75) 42.7% |
| Revolutions per mile (km) | 774.99 (481.56) | 656.34 (407.83) | -118.66 (-73.73) -15.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.62 mph (38.01 km/h) |
| 25 mph (40.23 km/h) | 29.52 mph (47.51 km/h) |
| 30 mph (48.28 km/h) | 35.42 mph (57.01 km/h) |
| 35 mph (56.33 km/h) | 41.33 mph (66.51 km/h) |
| 40 mph (64.37 km/h) | 47.23 mph (76.01 km/h) |
| 45 mph (72.42 km/h) | 53.14 mph (85.51 km/h) |
| 50 mph (80.47 km/h) | 59.04 mph (95.01 km/h) |
| 55 mph (88.51 km/h) | 64.94 mph (104.52 km/h) |
| 60 mph (96.56 km/h) | 70.85 mph (114.02 km/h) |
| 65 mph (104.61 km/h) | 76.75 mph (123.52 km/h) |
| 70 mph (112.65 km/h) | 82.66 mph (133.02 km/h) |
| 75 mph (120.7 km/h) | 88.56 mph (142.52 km/h) |
| 80 mph (128.75 km/h) | 94.46 mph (152.02 km/h) |
| 85 mph (136.79 km/h) | 100.37 mph (161.53 km/h) |
| 90 mph (144.84 km/h) | 106.27 mph (171.03 km/h) |
| 95 mph (152.89 km/h) | 112.17 mph (180.53 km/h) |
| 100 mph (160.93 km/h) | 118.08 mph (190.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1670 | 1940 | 2090 | 2182 | 2281 | 2353 | 2431 | 2523 | 2651 | 2779 | 2921 | 3035 | 3241 | 3468 | 3646 | 3760 | 3824 | 4058 | 4385 | 5096 |
Better Fuel Economy Factory Ratios Increased Power
