235/40R18 Summer tires
The size 235/40R18 means a tire 235 mm wide, with a sidewall 40% as tall as it is wide (about 94 mm), built for 18-inch wheels. Its overall diameter is about 645 mm (25.4 in). We have 17 235/40R18 tires in stock from 27 models, starting at $144.00 per tire.
17 tires in stock in 235/40R18
Antares Blitzk RS235/40R18 95W · Summer$144.00In stock
$185.00In stock
$231.00Only 2 left
$248.00In stock
$249.00In stock
$289.00In stock
$308.00Only 2 left
$328.00In stock
$334.00In stock
$340.00In stock
$362.00In stock
$382.00Only 2 left
Nitto NT-01235/40R18 91W · Summer$385.00In stock
$388.00Only 1 left
$395.00Only 1 left
$396.00Only 1 left
Toyo Proxes R888R235/40R18 95Y · Summer$407.00Only 2 left
16 more models currently out of stock
- Kumho PS72
- Falken Azenis RT615K+
- Pirelli P Zero Rosso
- Yokohama Advan Sport V107
- Continental ContiSportContact 5P
- Pirelli Cinturato P7
- Bridgestone Potenza Sport
- Falken Azenis RT660
- Bridgestone Potenza RE050A
- Bridgestone Potenza RE-71RS
- Continental ContiSportContact 3
- Michelin Pilot Sport 5
- Pirelli P Zero Rosso
- Bridgestone Potenza Race
- Michelin Pilot Sport 4 S
- Michelin Pilot Sport Cup 2 Connect
Vehicles that use 235/40R18
- Honda Civic 2017–2024
- Cadillac CT4 2020–2024
- Toyota GR Corolla 2023–2024
- Mercedes-Benz CLA35 2020–2024
- Hyundai Elantra 2021–2024
- Acura Integra 2023–2024
- Mercedes-Benz A35 AMG 2020–2021
- Mercedes-Benz SLC43 2017–2020
- Cadillac CT4-V 2020
- Mercedes-Benz CLA250 2016–2019
- Mercedes-Benz CLA45 2014–2019
- Volvo S60 2004–2018
- Ford Focus 2012–2018
- Volvo V60 2015–2018
- Volkswagen CC 2009–2017
- Mercedes-Benz E 550 2010–2017
- Mercedes-Benz E400 2015–2017
- Mercedes-Benz C63 2008–2016
Original-equipment fitments from our vehicle database. Confirm the size on your door placard before ordering.
Sizes close to 235/40R18
- 315/30R18 646 mm
- 265/35R18 643 mm
- 275/35R18 650 mm
- 215/45R18 651 mm
- 225/40R18 637 mm
- 245/40R18 653 mm
- 255/35R18 636 mm
- 295/30R18 634 mm
Within 3% overall diameter on the same rim. Only change size with a professional’s advice; load index and clearance must still match.