Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-16 | 205/65-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 27.99 (711) | 3.49 (88.6) 14.2% |
| Width inches (mm) | 5.31 (135) | 8.07 (205) | 2.76 (70) 51.9% |
| Circum. inches (mm) | 76.98 (1955.33) | 87.94 (2233.67) | 10.96 (278.35) 14.2% |
| Sidewall Height inches (mm) | 4.25 (108) | 5.25 (133.25) | 0.99 (25.25) 23.4% |
| Revolutions per mile (km) | 823.06 (511.42) | 720.49 (447.69) | -102.56 (-63.73) -12.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.85 mph (36.77 km/h) |
| 25 mph (40.23 km/h) | 28.56 mph (45.96 km/h) |
| 30 mph (48.28 km/h) | 34.27 mph (55.15 km/h) |
| 35 mph (56.33 km/h) | 39.98 mph (64.35 km/h) |
| 40 mph (64.37 km/h) | 45.69 mph (73.54 km/h) |
| 45 mph (72.42 km/h) | 51.41 mph (82.73 km/h) |
| 50 mph (80.47 km/h) | 57.12 mph (91.92 km/h) |
| 55 mph (88.51 km/h) | 62.83 mph (101.11 km/h) |
| 60 mph (96.56 km/h) | 68.54 mph (110.31 km/h) |
| 65 mph (104.61 km/h) | 74.25 mph (119.5 km/h) |
| 70 mph (112.65 km/h) | 79.96 mph (128.69 km/h) |
| 75 mph (120.7 km/h) | 85.68 mph (137.88 km/h) |
| 80 mph (128.75 km/h) | 91.39 mph (147.08 km/h) |
| 85 mph (136.79 km/h) | 97.1 mph (156.27 km/h) |
| 90 mph (144.84 km/h) | 102.81 mph (165.46 km/h) |
| 95 mph (152.89 km/h) | 108.52 mph (174.65 km/h) |
| 100 mph (160.93 km/h) | 114.24 mph (183.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2130 | 2294 | 2395 | 2505 | 2583 | 2668 | 2770 | 2910 | 3051 | 3207 | 3332 | 3558 | 3807 | 4003 | 4127 | 4198 | 4455 | 4814 | 5594 |
Better Fuel Economy Factory Ratios Increased Power
