Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 205/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 28.88 (733.5) | 2.85 (72.5) 11% |
| Width inches (mm) | 7.87 (200) | 8.07 (205) | 0.2 (5) 2.5% |
| Circum. inches (mm) | 81.76 (2076.59) | 90.72 (2304.36) | 8.97 (227.77) 11% |
| Sidewall Height inches (mm) | 5.51 (140) | 4.44 (112.75) | -1.07 (-27.25) -19.5% |
| Revolutions per mile (km) | 774.99 (481.56) | 698.39 (433.96) | -76.6 (-47.6) -9.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.19 mph (35.72 km/h) |
| 25 mph (40.23 km/h) | 27.74 mph (44.65 km/h) |
| 30 mph (48.28 km/h) | 33.29 mph (53.58 km/h) |
| 35 mph (56.33 km/h) | 38.84 mph (62.51 km/h) |
| 40 mph (64.37 km/h) | 44.39 mph (71.43 km/h) |
| 45 mph (72.42 km/h) | 49.94 mph (80.36 km/h) |
| 50 mph (80.47 km/h) | 55.48 mph (89.29 km/h) |
| 55 mph (88.51 km/h) | 61.03 mph (98.22 km/h) |
| 60 mph (96.56 km/h) | 66.58 mph (107.15 km/h) |
| 65 mph (104.61 km/h) | 72.13 mph (116.08 km/h) |
| 70 mph (112.65 km/h) | 77.68 mph (125.01 km/h) |
| 75 mph (120.7 km/h) | 83.23 mph (133.94 km/h) |
| 80 mph (128.75 km/h) | 88.77 mph (142.87 km/h) |
| 85 mph (136.79 km/h) | 94.32 mph (151.8 km/h) |
| 90 mph (144.84 km/h) | 99.87 mph (160.73 km/h) |
| 95 mph (152.89 km/h) | 105.42 mph (169.66 km/h) |
| 100 mph (160.93 km/h) | 110.97 mph (178.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
Better Fuel Economy Factory Ratios Increased Power
