Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-24 | 305/40-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.98 (837.6) | 33.61 (853.6) | 0.63 (16) 1.9% |
| Width inches (mm) | 11.22 (285) | 12.01 (305) | 0.79 (20) 7% |
| Circum. inches (mm) | 103.6 (2631.4) | 105.58 (2681.66) | 1.98 (50.27) 1.9% |
| Sidewall Height inches (mm) | 4.49 (114) | 4.8 (122) | 0.31 (8) 7% |
| Revolutions per mile (km) | 611.59 (380.03) | 600.13 (372.9) | -11.46 (-7.12) -1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.38 mph (32.8 km/h) |
| 25 mph (40.23 km/h) | 25.48 mph (41 km/h) |
| 30 mph (48.28 km/h) | 30.57 mph (49.2 km/h) |
| 35 mph (56.33 km/h) | 35.67 mph (57.4 km/h) |
| 40 mph (64.37 km/h) | 40.76 mph (65.6 km/h) |
| 45 mph (72.42 km/h) | 45.86 mph (73.8 km/h) |
| 50 mph (80.47 km/h) | 50.96 mph (82 km/h) |
| 55 mph (88.51 km/h) | 56.05 mph (90.2 km/h) |
| 60 mph (96.56 km/h) | 61.15 mph (98.41 km/h) |
| 65 mph (104.61 km/h) | 66.24 mph (106.61 km/h) |
| 70 mph (112.65 km/h) | 71.34 mph (114.81 km/h) |
| 75 mph (120.7 km/h) | 76.43 mph (123.01 km/h) |
| 80 mph (128.75 km/h) | 81.53 mph (131.21 km/h) |
| 85 mph (136.79 km/h) | 86.62 mph (139.41 km/h) |
| 90 mph (144.84 km/h) | 91.72 mph (147.61 km/h) |
| 95 mph (152.89 km/h) | 96.81 mph (155.81 km/h) |
| 100 mph (160.93 km/h) | 101.91 mph (164.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1527 | 1774 | 1911 | 1995 | 2086 | 2151 | 2223 | 2307 | 2424 | 2541 | 2671 | 2775 | 2963 | 3171 | 3334 | 3438 | 3496 | 3711 | 4010 | 4660 |
Better Fuel Economy Factory Ratios Increased Power
