Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-15 | 205/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 26.3 (668) | 2.8 (71) 11.9% |
| Width inches (mm) | 5.31 (135) | 8.07 (205) | 2.76 (70) 51.9% |
| Circum. inches (mm) | 73.84 (1875.53) | 82.62 (2098.58) | 8.78 (223.05) 11.9% |
| Sidewall Height inches (mm) | 4.25 (108) | 5.65 (143.5) | 1.4 (35.5) 32.9% |
| Revolutions per mile (km) | 858.07 (533.18) | 766.87 (476.51) | -91.2 (-56.67) -10.6% |
205/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.38 mph (36.01 km/h) |
| 25 mph (40.23 km/h) | 27.97 mph (45.02 km/h) |
| 30 mph (48.28 km/h) | 33.57 mph (54.02 km/h) |
| 35 mph (56.33 km/h) | 39.16 mph (63.03 km/h) |
| 40 mph (64.37 km/h) | 44.76 mph (72.03 km/h) |
| 45 mph (72.42 km/h) | 50.35 mph (81.03 km/h) |
| 50 mph (80.47 km/h) | 55.95 mph (90.04 km/h) |
| 55 mph (88.51 km/h) | 61.54 mph (99.04 km/h) |
| 60 mph (96.56 km/h) | 67.14 mph (108.04 km/h) |
| 65 mph (104.61 km/h) | 72.73 mph (117.05 km/h) |
| 70 mph (112.65 km/h) | 78.32 mph (126.05 km/h) |
| 75 mph (120.7 km/h) | 83.92 mph (135.06 km/h) |
| 80 mph (128.75 km/h) | 89.51 mph (144.06 km/h) |
| 85 mph (136.79 km/h) | 95.11 mph (153.06 km/h) |
| 90 mph (144.84 km/h) | 100.7 mph (162.07 km/h) |
| 95 mph (152.89 km/h) | 106.3 mph (171.07 km/h) |
| 100 mph (160.93 km/h) | 111.89 mph (180.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1952 | 2267 | 2442 | 2549 | 2666 | 2749 | 2840 | 2948 | 3098 | 3247 | 3413 | 3546 | 3787 | 4053 | 4260 | 4393 | 4468 | 4742 | 5124 | 5954 |
Better Fuel Economy Factory Ratios Increased Power
