Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-16 | 205/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.57 (649.4) | 25.49 (647.5) | -0.07 (-1.9) -0.3% |
| Width inches (mm) | 5.31 (135) | 8.07 (205) | 2.76 (70) 51.9% |
| Circum. inches (mm) | 80.32 (2040.15) | 80.09 (2034.18) | -0.24 (-5.97) -0.3% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 5.25 (133.25) | 0.46 (11.75) 9.7% |
| Revolutions per mile (km) | 788.84 (490.16) | 791.15 (491.6) | 2.31 (1.44) 0.3% |
205/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
| 25 mph (40.23 km/h) | 24.93 mph (40.12 km/h) |
| 30 mph (48.28 km/h) | 29.91 mph (48.14 km/h) |
| 35 mph (56.33 km/h) | 34.9 mph (56.16 km/h) |
| 40 mph (64.37 km/h) | 39.88 mph (64.19 km/h) |
| 45 mph (72.42 km/h) | 44.87 mph (72.21 km/h) |
| 50 mph (80.47 km/h) | 49.85 mph (80.23 km/h) |
| 55 mph (88.51 km/h) | 54.84 mph (88.26 km/h) |
| 60 mph (96.56 km/h) | 59.82 mph (96.28 km/h) |
| 65 mph (104.61 km/h) | 64.81 mph (104.3 km/h) |
| 70 mph (112.65 km/h) | 69.8 mph (112.32 km/h) |
| 75 mph (120.7 km/h) | 74.78 mph (120.35 km/h) |
| 80 mph (128.75 km/h) | 79.77 mph (128.37 km/h) |
| 85 mph (136.79 km/h) | 84.75 mph (136.39 km/h) |
| 90 mph (144.84 km/h) | 89.74 mph (144.42 km/h) |
| 95 mph (152.89 km/h) | 94.72 mph (152.44 km/h) |
| 100 mph (160.93 km/h) | 99.71 mph (160.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 2339 | 2519 | 2630 | 2750 | 2836 | 2930 | 3041 | 3196 | 3350 | 3521 | 3658 | 3907 | 4181 | 4395 | 4532 | 4609 | 4892 | 5286 | 6143 |
Better Fuel Economy Factory Ratios Increased Power
