Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/65-17 | 235/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.03 (737.3) | 30.8 (782.4) | 1.78 (45.1) 6.1% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 91.19 (2316.3) | 96.77 (2457.98) | 5.58 (141.69) 6.1% |
| Sidewall Height inches (mm) | 6.01 (152.75) | 7.4 (188) | 1.39 (35.25) 23.1% |
| Revolutions per mile (km) | 694.79 (431.72) | 654.74 (406.84) | -40.05 (-24.89) -5.8% |
235/80-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.22 mph (34.16 km/h) |
| 25 mph (40.23 km/h) | 26.53 mph (42.69 km/h) |
| 30 mph (48.28 km/h) | 31.84 mph (51.23 km/h) |
| 35 mph (56.33 km/h) | 37.14 mph (59.77 km/h) |
| 40 mph (64.37 km/h) | 42.45 mph (68.31 km/h) |
| 45 mph (72.42 km/h) | 47.75 mph (76.85 km/h) |
| 50 mph (80.47 km/h) | 53.06 mph (85.39 km/h) |
| 55 mph (88.51 km/h) | 58.36 mph (93.93 km/h) |
| 60 mph (96.56 km/h) | 63.67 mph (102.47 km/h) |
| 65 mph (104.61 km/h) | 68.98 mph (111.01 km/h) |
| 70 mph (112.65 km/h) | 74.28 mph (119.55 km/h) |
| 75 mph (120.7 km/h) | 79.59 mph (128.08 km/h) |
| 80 mph (128.75 km/h) | 84.89 mph (136.62 km/h) |
| 85 mph (136.79 km/h) | 90.2 mph (145.16 km/h) |
| 90 mph (144.84 km/h) | 95.51 mph (153.7 km/h) |
| 95 mph (152.89 km/h) | 100.81 mph (162.24 km/h) |
| 100 mph (160.93 km/h) | 106.12 mph (170.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1666 | 1936 | 2085 | 2177 | 2276 | 2347 | 2425 | 2517 | 2645 | 2772 | 2914 | 3028 | 3233 | 3460 | 3637 | 3751 | 3815 | 4048 | 4375 | 5084 |
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