235/45R17 tire size
A 235/45R17 tire is 235 mm wide with a 105.8 mm sidewall, 45% of the width, on a 17-inch rim, which puts the whole tire at 643.3 mm, or about 25.3 inches, tall. No model in our data leaves the factory on it, but it can replace the original size on 13 models within 3% of the height.
Overall height
643.3 mm
25.3 in
Sidewall
105.8 mm
45%
Circumference
2,021 mm
Revs per km
495
Actual dimensions of 235/45R17
| Section width | 235 mm (9.3 in) |
| Sidewall height | 105.8 mm (4.16 in) |
| Rim diameter | 17 in (431.8 mm) |
| Overall diameter | 643.3 mm (25.3 in) |
| Circumference | 2,021 mm |
| Revolutions per km | 495 |
| Inch notation (height x width) | 25.3x9.3R17 |
Worked out: sidewall 235 x 0.45 = 105.75 mm, rim 17 x 25.4 = 431.8 mm, overall 431.8 + (105.75 x 2) = 643.3 mm, circumference 3.1416 x 643.3 = 2,021 mm. One turn of the tire moves the car about 2.02 m, which is 495 turns per kilometer. New to sidewall codes? See how to read a tire size.
These are nominal figures from the standard formula. Real tires vary slightly by brand and squat a little under the weight of the car.
Cars fitted with 235/45R17 from the factory
No model sold in Thailand in our data leaves the factory on 235/45R17.
Cars that can switch to 235/45R17
These cars leave the factory on another size within 3% of the height of 235/45R17. Whether it fits still depends on rim width and wheel-well clearance.
| Model | Factory size | Height difference | Wheel |
|---|---|---|---|
| Honda Civic (FC)2016–2021 | 215/50R17 | −0.54% | Same wheel |
| Honda Civic (FE)2021–present | 215/50R17 | −0.54% | Same wheel |
| MG4 Electric2022–present | 215/50R17 | −0.54% | Same wheel |
| MG5Current model | 215/50R17 | −0.54% | Same wheel |
| Toyota Veloz2022–present | 205/50R17 | +1.02% | Same wheel |
| Toyota Yaris ATIV HEV2025–present | 205/50R17 | +1.02% | Same wheel |
| BYD Dolphin2023–present | 205/50R17 | +1.02% | Same wheel |
| Toyota Corolla Altis2019–present | 225/45R17 | +1.42% | Same wheel |
| Honda Accord e:HEV2024–present | 225/50R17 | −2.06% | Same wheel |
| Mitsubishi Xpander Cross HEV2024–present | 205/55R17 | −2.13% | Same wheel |
| Nissan Kicks e-POWERCurrent model | 205/55R17 | −2.13% | Same wheel |
| MG ZSCurrent model | 215/55R16 | +0.06% | Needs 17-inch wheels |
Showing the 12 closest of 13 models.
Sizes that can replace 235/45R17
Sizes within ±3% of the overall height of 235/45R17. “At 100 km/h” is the real speed when the speedometer reads 100.
| Size | Height | Difference | At 100 km/h | Sidewall | Match | Compare |
|---|---|---|---|---|---|---|
| 215/55R16 | 642.9 mm | −0.4 mm (−0.06%) | 99.9 km/h | 118.3 mm | Very close | Compare |
| 235/40R18 | 645.2 mm | +1.9 mm (+0.30%) | 100.3 km/h | 94.0 mm | Very close | Compare |
| 215/50R17 | 646.8 mm | +3.5 mm (+0.54%) | 100.5 km/h | 107.5 mm | Close | Compare |
| 235/35R19 | 647.1 mm | +3.8 mm (+0.59%) | 100.6 km/h | 82.3 mm | Close | Compare |
| 225/40R18 | 637.2 mm | −6.1 mm (−0.95%) | 99.1 km/h | 90.0 mm | Close | Compare |
| 205/50R17 | 636.8 mm | −6.5 mm (−1.01%) | 99.0 km/h | 102.5 mm | Close | Compare |
| 215/45R18 | 650.7 mm | +7.4 mm (+1.15%) | 101.2 km/h | 96.8 mm | Close | Compare |
| 225/45R17 | 634.3 mm | −9.0 mm (−1.40%) | 98.6 km/h | 101.3 mm | Close | Compare |
- Keeping your wheels, the closest is 215/50R17 at 646.8 mm, +3.5 mm (+0.54%) from the original. With the speedometer on 100 km/h, the car would actually be doing about 100.5 km/h. Ground clearance rises by about 1.8 mm.
- Moving up to 18-inch wheels, the closest height match is 235/40R18 (+0.30%), with the sidewall dropping from 105.8 mm to 94.0 mm.
- Going down to 16-inch wheels, 215/55R16 (−0.06%) is the closest match and raises the sidewall to 118.3 mm.
- A larger or wider tire also changes acceleration, fuel use and steering weight, so look beyond the percentage.
Buying 235/45R17 tires
Low-profile sizes are mostly performance tires and price rises with W or Y speed ratings; comfort-focused models exist in the same size if you do not drive hard.
Check the production date in the DOT code before paying.
Check current prices
Search by brand
Links open marketplace search results; prices change constantly and not every brand makes this size.
Load index and speed rating for 235/45R17
The code after the size on the sidewall, as in 235/45R17 94V, is the load index and speed symbol. The common ratings for this size:
| Version | Index | Per tire | Four tires |
|---|---|---|---|
| Standard load (SL) | 94 | 670 kg | 2,680 kg |
| Extra load (XL) | 97 | 730 kg | 2,920 kg |
The new tire's load index and speed symbol must be no lower than the door placard, and it only carries its rated load at the correct pressure.
Common speed symbols in this size
V
240 km/h
W
270 km/h
235/45R17 questions
How tall is a 235/45R17 tire?
About 25.3 inches, or 643.3 mm, from top to bottom before it carries weight. Each sidewall is 105.8 mm tall and the tire is 235 mm (9.3 in) wide.
Which cars use 235/45R17 tires?
No car in our data is fitted with 235/45R17 from the factory, but its height is close to the original size on Honda Civic (FC), Honda Civic (FE), MG4 Electric, MG5 and Toyota Veloz, so it works as a replacement size.
Can I fit 215/50R17 instead of 235/45R17?
Size-wise, yes: the height differs by +0.54% (+3.5 mm), so an indicated 100 km/h is really about 100.5 km/h. The tread is 20 mm narrower. Check rim width and load index first.
How much weight can a 235/45R17 tire carry?
Most standard-load versions carry load index 94: 670 kg per tire, 2,680 kg across four. XL versions are rated 97, or 730 kg per tire. Look for the number after the size on the sidewall, as in 235/45R17 94V.
Other 17-inch sizes
To compare other sizes yourself, use the tire size calculator; changing rim size, try plus/minus sizing; and see speedometer error by speed.