Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 305/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 32.01 (813.1) | 6.71 (170.5) 26.5% |
| Width inches (mm) | 6.89 (175) | 12.01 (305) | 5.12 (130) 74.3% |
| Circum. inches (mm) | 79.48 (2018.79) | 100.57 (2554.43) | 21.09 (535.64) 26.5% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 9.01 (228.75) | 3.36 (85.25) 59.4% |
| Revolutions per mile (km) | 797.18 (495.35) | 630.02 (391.48) | -167.16 (-103.87) -21% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.31 mph (40.73 km/h) |
| 25 mph (40.23 km/h) | 31.63 mph (50.91 km/h) |
| 30 mph (48.28 km/h) | 37.96 mph (61.09 km/h) |
| 35 mph (56.33 km/h) | 44.29 mph (71.27 km/h) |
| 40 mph (64.37 km/h) | 50.61 mph (81.45 km/h) |
| 45 mph (72.42 km/h) | 56.94 mph (91.64 km/h) |
| 50 mph (80.47 km/h) | 63.27 mph (101.82 km/h) |
| 55 mph (88.51 km/h) | 69.59 mph (112 km/h) |
| 60 mph (96.56 km/h) | 75.92 mph (122.18 km/h) |
| 65 mph (104.61 km/h) | 82.25 mph (132.36 km/h) |
| 70 mph (112.65 km/h) | 88.57 mph (142.54 km/h) |
| 75 mph (120.7 km/h) | 94.9 mph (152.73 km/h) |
| 80 mph (128.75 km/h) | 101.23 mph (162.91 km/h) |
| 85 mph (136.79 km/h) | 107.55 mph (173.09 km/h) |
| 90 mph (144.84 km/h) | 113.88 mph (183.27 km/h) |
| 95 mph (152.89 km/h) | 120.21 mph (193.45 km/h) |
| 100 mph (160.93 km/h) | 126.53 mph (203.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1863 | 2006 | 2095 | 2190 | 2258 | 2333 | 2422 | 2545 | 2668 | 2804 | 2913 | 3111 | 3329 | 3500 | 3609 | 3670 | 3896 | 4209 | 4892 |
Better Fuel Economy Factory Ratios Increased Power
