255/45R18 tires
The size 255/45R18 means a tire 255 mm wide, with a sidewall 45% as tall as it is wide (about 115 mm), built for 18-inch wheels. Its overall diameter is about 687 mm (27.0 in). We have 5 255/45R18 tires in stock from 15 models, starting at $181.00 per tire.
5 tires in stock in 255/45R18
$181.00In stock
$302.00In stock
$320.00In stock
$344.00In stock
$365.00In stock
12 more models currently out of stock
- Antares Ingens A1
- Falken Ziex ZE960 A/S
- Firestone Firehawk Indy 500
- BFGoodrich g-Force COMP-2 A/S PLUS
- Continental ExtremeContact DWS06 PLUS
- Continental VikingContact 7
- Continental ExtremeContact Sport
- Continental ContiProContact
- Continental ContiProContact
- Bridgestone Potenza Sport
- Continental ContiSportContact 2
- Continental ContiSportContact 5
Vehicles that use 255/45R18
- Mercedes-Benz CL550 2007–2014
- Mercedes-Benz S550 2007–2013
- Toyota Tacoma 2005–2013
- Mercedes-Benz S400 2010–2013
- Audi A7 2012–2013
- Mercedes-Benz S350 2012–2013
- Cadillac STS 2005–2011
- Audi A8 2003–2010
- Ford Mustang 2007–2010
- Mercedes-Benz CL600 2007–2010
- Mercedes-Benz S600 2007–2010
- Cadillac STS-V 2006–2009
- Pontiac Grand Prix 2005–2008
- Volkswagen Phaeton 2004–2006
- BMW X3 2006
- Mercedes-Benz S500 1999
Original-equipment fitments from our vehicle database. Confirm the size on your door placard before ordering.
Sizes close to 255/45R18
- 235/50R18 692 mm
- 225/50R18 682 mm
- 215/55R18 694 mm
- 265/45R18 696 mm
- 245/45R18 678 mm
- 275/40R18 677 mm
- 305/40R18 701 mm
- 215/50R18 672 mm
Within 3% overall diameter on the same rim. Only change size with a professional’s advice; load index and clearance must still match.
Questions about the 255/45R18
What does the tire size 255/45R18 mean?
The size 255/45R18 means a tire 255 mm wide, with a sidewall 45% as tall as it is wide (about 115 mm), built for 18-inch wheels.
What is the cheapest 255/45R18 tire in stock?
Right now the lowest-priced 255/45R18 tire in stock is the Antares Ingens A1 at $181.00 per tire. We have 5 255/45R18 tires in stock in total.
Can I use a different size instead of 255/45R18?
Only with professional advice. A replacement size must keep the overall diameter within about 3%, fit your wheel and suspension, and meet or exceed your vehicle’s load index and speed rating.