Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-24 | 375/40-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.98 (837.6) | 35.81 (909.6) | 2.83 (72) 8.6% |
| Width inches (mm) | 11.22 (285) | 14.76 (375) | 3.54 (90) 31.6% |
| Circum. inches (mm) | 103.6 (2631.4) | 112.5 (2857.59) | 8.91 (226.19) 8.6% |
| Sidewall Height inches (mm) | 4.49 (114) | 5.91 (150) | 1.42 (36) 31.6% |
| Revolutions per mile (km) | 611.59 (380.03) | 563.18 (349.94) | -48.41 (-30.08) -7.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.72 mph (34.95 km/h) |
| 25 mph (40.23 km/h) | 27.15 mph (43.69 km/h) |
| 30 mph (48.28 km/h) | 32.58 mph (52.43 km/h) |
| 35 mph (56.33 km/h) | 38.01 mph (61.17 km/h) |
| 40 mph (64.37 km/h) | 43.44 mph (69.91 km/h) |
| 45 mph (72.42 km/h) | 48.87 mph (78.65 km/h) |
| 50 mph (80.47 km/h) | 54.3 mph (87.38 km/h) |
| 55 mph (88.51 km/h) | 59.73 mph (96.12 km/h) |
| 60 mph (96.56 km/h) | 65.16 mph (104.86 km/h) |
| 65 mph (104.61 km/h) | 70.59 mph (113.6 km/h) |
| 70 mph (112.65 km/h) | 76.02 mph (122.34 km/h) |
| 75 mph (120.7 km/h) | 81.45 mph (131.08 km/h) |
| 80 mph (128.75 km/h) | 86.88 mph (139.81 km/h) |
| 85 mph (136.79 km/h) | 92.31 mph (148.55 km/h) |
| 90 mph (144.84 km/h) | 97.74 mph (157.29 km/h) |
| 95 mph (152.89 km/h) | 103.17 mph (166.03 km/h) |
| 100 mph (160.93 km/h) | 108.6 mph (174.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1433 | 1665 | 1793 | 1872 | 1958 | 2019 | 2086 | 2165 | 2275 | 2385 | 2507 | 2604 | 2781 | 2976 | 3129 | 3226 | 3281 | 3482 | 3763 | 4373 |
Better Fuel Economy Factory Ratios Increased Power
