Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-16 | 265/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.8 (782.4) | 29.61 (752) | -1.2 (-30.4) -3.9% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 96.77 (2457.98) | 93.01 (2362.48) | -3.76 (-95.5) -3.9% |
| Sidewall Height inches (mm) | 7.4 (188) | 7.3 (185.5) | -0.1 (-2.5) -1.3% |
| Revolutions per mile (km) | 654.74 (406.84) | 681.21 (423.28) | 26.47 (16.45) 4% |
265/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.22 mph (30.94 km/h) |
| 25 mph (40.23 km/h) | 24.03 mph (38.67 km/h) |
| 30 mph (48.28 km/h) | 28.83 mph (46.4 km/h) |
| 35 mph (56.33 km/h) | 33.64 mph (54.14 km/h) |
| 40 mph (64.37 km/h) | 38.45 mph (61.87 km/h) |
| 45 mph (72.42 km/h) | 43.25 mph (69.61 km/h) |
| 50 mph (80.47 km/h) | 48.06 mph (77.34 km/h) |
| 55 mph (88.51 km/h) | 52.86 mph (85.07 km/h) |
| 60 mph (96.56 km/h) | 57.67 mph (92.81 km/h) |
| 65 mph (104.61 km/h) | 62.47 mph (100.54 km/h) |
| 70 mph (112.65 km/h) | 67.28 mph (108.28 km/h) |
| 75 mph (120.7 km/h) | 72.09 mph (116.01 km/h) |
| 80 mph (128.75 km/h) | 76.89 mph (123.75 km/h) |
| 85 mph (136.79 km/h) | 81.7 mph (131.48 km/h) |
| 90 mph (144.84 km/h) | 86.5 mph (139.21 km/h) |
| 95 mph (152.89 km/h) | 91.31 mph (146.95 km/h) |
| 100 mph (160.93 km/h) | 96.11 mph (154.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1734 | 2014 | 2169 | 2265 | 2368 | 2442 | 2523 | 2619 | 2752 | 2884 | 3032 | 3150 | 3364 | 3600 | 3784 | 3902 | 3969 | 4212 | 4551 | 5289 |
Better Fuel Economy Factory Ratios Increased Power
