Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-17 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.3 (718.8) | 28.88 (733.5) | 0.58 (14.7) 2% |
| Width inches (mm) | 8.07 (205) | 9.25 (235) | 1.18 (30) 14.6% |
| Circum. inches (mm) | 88.9 (2258.18) | 90.72 (2304.36) | 1.82 (46.18) 2% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 6.94 (176.25) | 1.29 (32.75) 22.8% |
| Revolutions per mile (km) | 712.67 (442.83) | 698.39 (433.96) | -14.28 (-8.87) -2% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.41 mph (32.85 km/h) |
| 25 mph (40.23 km/h) | 25.51 mph (41.06 km/h) |
| 30 mph (48.28 km/h) | 30.61 mph (49.27 km/h) |
| 35 mph (56.33 km/h) | 35.72 mph (57.48 km/h) |
| 40 mph (64.37 km/h) | 40.82 mph (65.69 km/h) |
| 45 mph (72.42 km/h) | 45.92 mph (73.9 km/h) |
| 50 mph (80.47 km/h) | 51.02 mph (82.11 km/h) |
| 55 mph (88.51 km/h) | 56.12 mph (90.32 km/h) |
| 60 mph (96.56 km/h) | 61.23 mph (98.54 km/h) |
| 65 mph (104.61 km/h) | 66.33 mph (106.75 km/h) |
| 70 mph (112.65 km/h) | 71.43 mph (114.96 km/h) |
| 75 mph (120.7 km/h) | 76.53 mph (123.17 km/h) |
| 80 mph (128.75 km/h) | 81.64 mph (131.38 km/h) |
| 85 mph (136.79 km/h) | 86.74 mph (139.59 km/h) |
| 90 mph (144.84 km/h) | 91.84 mph (147.8 km/h) |
| 95 mph (152.89 km/h) | 96.94 mph (156.01 km/h) |
| 100 mph (160.93 km/h) | 102.05 mph (164.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
Better Fuel Economy Factory Ratios Increased Power
