Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 210/40-18 | 335/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 31.19 (792.2) | 6.57 (167) 26.7% |
| Width inches (mm) | 8.27 (210) | 13.19 (335) | 4.92 (125) 59.5% |
| Circum. inches (mm) | 77.33 (1964.12) | 97.98 (2488.77) | 20.66 (524.65) 26.7% |
| Sidewall Height inches (mm) | 3.31 (84) | 6.59 (167.5) | 3.29 (83.5) 99.4% |
| Revolutions per mile (km) | 819.37 (509.13) | 646.64 (401.8) | -172.73 (-107.33) -21.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.34 mph (40.78 km/h) |
| 25 mph (40.23 km/h) | 31.68 mph (50.98 km/h) |
| 30 mph (48.28 km/h) | 38.01 mph (61.18 km/h) |
| 35 mph (56.33 km/h) | 44.35 mph (71.37 km/h) |
| 40 mph (64.37 km/h) | 50.68 mph (81.57 km/h) |
| 45 mph (72.42 km/h) | 57.02 mph (91.77 km/h) |
| 50 mph (80.47 km/h) | 63.36 mph (101.96 km/h) |
| 55 mph (88.51 km/h) | 69.69 mph (112.16 km/h) |
| 60 mph (96.56 km/h) | 76.03 mph (122.35 km/h) |
| 65 mph (104.61 km/h) | 82.36 mph (132.55 km/h) |
| 70 mph (112.65 km/h) | 88.7 mph (142.75 km/h) |
| 75 mph (120.7 km/h) | 95.03 mph (152.94 km/h) |
| 80 mph (128.75 km/h) | 101.37 mph (163.14 km/h) |
| 85 mph (136.79 km/h) | 107.7 mph (173.33 km/h) |
| 90 mph (144.84 km/h) | 114.04 mph (183.53 km/h) |
| 95 mph (152.89 km/h) | 120.38 mph (193.73 km/h) |
| 100 mph (160.93 km/h) | 126.71 mph (203.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1646 | 1912 | 2059 | 2150 | 2248 | 2318 | 2395 | 2486 | 2612 | 2738 | 2878 | 2990 | 3193 | 3417 | 3592 | 3704 | 3767 | 3998 | 4321 | 5021 |
Better Fuel Economy Factory Ratios Increased Power
