Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/35-23 | 255/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.41 (797.7) | 31.04 (788.3) | -0.37 (-9.4) -1.2% |
| Width inches (mm) | 12.01 (305) | 10.04 (255) | -1.97 (-50) -16.4% |
| Circum. inches (mm) | 98.66 (2506.05) | 97.5 (2476.52) | -1.16 (-29.53) -1.2% |
| Sidewall Height inches (mm) | 4.2 (106.75) | 4.52 (114.75) | 0.31 (8) 7.5% |
| Revolutions per mile (km) | 642.18 (399.03) | 649.84 (403.79) | 7.66 (4.76) 1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.76 mph (31.81 km/h) |
| 25 mph (40.23 km/h) | 24.71 mph (39.76 km/h) |
| 30 mph (48.28 km/h) | 29.65 mph (47.71 km/h) |
| 35 mph (56.33 km/h) | 34.59 mph (55.66 km/h) |
| 40 mph (64.37 km/h) | 39.53 mph (63.62 km/h) |
| 45 mph (72.42 km/h) | 44.47 mph (71.57 km/h) |
| 50 mph (80.47 km/h) | 49.41 mph (79.52 km/h) |
| 55 mph (88.51 km/h) | 54.35 mph (87.47 km/h) |
| 60 mph (96.56 km/h) | 59.29 mph (95.42 km/h) |
| 65 mph (104.61 km/h) | 64.23 mph (103.37 km/h) |
| 70 mph (112.65 km/h) | 69.18 mph (111.33 km/h) |
| 75 mph (120.7 km/h) | 74.12 mph (119.28 km/h) |
| 80 mph (128.75 km/h) | 79.06 mph (127.23 km/h) |
| 85 mph (136.79 km/h) | 84 mph (135.18 km/h) |
| 90 mph (144.84 km/h) | 88.94 mph (143.13 km/h) |
| 95 mph (152.89 km/h) | 93.88 mph (151.09 km/h) |
| 100 mph (160.93 km/h) | 98.82 mph (159.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1654 | 1921 | 2069 | 2160 | 2259 | 2329 | 2407 | 2498 | 2625 | 2752 | 2892 | 3005 | 3209 | 3434 | 3610 | 3723 | 3786 | 4018 | 4342 | 5046 |
Better Fuel Economy Factory Ratios Increased Power
