Additional information

Season

width

profile

diameter

Load Index

Speed Index

Brand

Vehicle Type

Passenger

Sidewall

Black Sidewall

Min Wheel Width

7

Max Wheel Width

8.5

Tread Depth

9

EV Compatible

EV Compatible

OE Stamp

MO – Mercedes-Benz

uTQG

420 AA A

Detailed specifications

Listed are full spes for this 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance Summer tire — including load/speed ratings, certifications (3PMS / studdable / run-flat / XL), UTQG treadwear/traction/temperature grading, and shipping details for Ontario and Quebec.

Why choose the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance?

255/55R18 Continental ContiSportContact 5 – EV Compatible Performance is positioned as a summer / summer – supreme performance / passenger fitment tire with clear Ontario and Quebec delivery details.

Free shipping • 1–3 business days (Ontario and Quebec)OutofstockOntario & Quebec delivery focusSpecs, fitment notes, and FAQ on page

Best fit if you want

  • Warm weather grip, responsive steering, and sportier handling.
  • Drivers who already switch to dedicated winter tires when temperatures drop.
  • EV fitments where tire load, torque, rolling resistance, and noise can matter more.

Double-check if you need

  • Quebec winter tire compliance or cold weather winter driving.
  • A one tire year round setup for Ontario or Quebec.
Buying optionWhat to compare
Lowest sticker price tiresCheck shipping, stock status, delivery timing, and whether the final landed cost is still lower after checkout.
XYZTires.comAssist with fitment context, Ontario/Quebec free delivery, and product specific FAQ.

Quick Specs

  • Size: 255/55R18
  • Brand / Model: Continental ContiSportContact 5 – EV Compatible Performance
  • Season: Summer
  • Vehicle Type: Passenger
  • EV Compatible: Yes
  • Load / Speed: 105W (Load index 105 supports up to 925 kg per tire; speed rating W rated up to 270 km/h)
  • Certifications:
  • Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)

255/55R18 Continental ContiSportContact 5 – EV Compatible Performance Summer

Category: Summer – Supreme Performance

The Continental ContiSportContact 5 is a summer max performance tire. It offers a smooth, quiet ride and though it has excellent handling in dry and wet conditions, the ContiSportContact 5 is not designed to drive in icy or snowy environments.

What these tire specs mean

  • Load Index 105 is the tire’s standardized carrying capacity, supporting up to 925 kg per tire. Use it to confirm the tire meets or exceeds the load rating listed on your vehicle placard.
  • Speed Rating W indicates the tire’s maximum sustained speed capability under proper load and inflation. This is approximately 270 km/h under proper load and inflation.
  • UTQG 420 AA A is the manufacturer treadwear, traction, and temperature grading system. It is useful for comparing tires from the same brand, but it should not be treated as an exact mileage promise.
  • Summer tires are built for warm weather grip and should not be used as winter tires in Ontario or Quebec cold weather conditions.
  • EV Compatible means the tire is marked as suitable for electric vehicles, where load, torque, rolling resistance, and noise can matter more.
  • Vehicle Type helps identify whether the tire is intended for passenger, light truck, commercial, or similar service categories.

How this tire is positioned

255/55R18 Continental ContiSportContact 5 – EV Compatible Performance is positioned as a summer / summer – supreme performance tire built around a 255 mm section width and 18-inch wheel fitment.

In practical terms, this size combines a 55-series sidewall of about 140 mm with a 18-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.

Feature wise, this tire indicates load index 105 and speed rating W (~270 km/h), UTQG 420 AA A when provided by the manufacturer.

About the 255/55R18 tire size

The 255/55R18 size breaks down as follows:

  • 255 — tread width in millimetres
  • 55 — sidewall height as a percentage of tread width (approx. 140 mm)
  • R18 — fits a 18-inch rim

The 255/55R18 size is commonly found on mid size SUVs, crossovers, and sport sedans. If you’re matching an existing set, confirm the full size marking on your sidewall before ordering.

Key features — Continental ContiSportContact 5 – EV Compatible Performance in 255/55R18

  • EV compatible design.
  • UTQG: 420 AA A — treadwear, traction, and temperature grading to help compare similar tires.
  • Load/Speed: 105W — load index 105 supports up to 925 kg per tire, while speed rating W is rated up to 270 km/h.
  • Size: 255/55R18 (fits an 18-inch wheel).

Vehicles that commonly use 255/55R18 tires

Examples from our vehicle fitment lookup include:

  • 2023–2024 Lexus RZ
  • 2016 Mercedes-Benz GLE300d
  • 2015–2016 BMW X6
  • 2015 Mercedes-Benz ML250
  • 2015–2021 Porsche Macan
  • 2011–2017 Volkswagen Touareg
  • 2010–2011 Mitsubishi Endeavor
  • 2008–2018 Porsche Cayenne
  • 2008–2014 Subaru Tribeca
  • 2007–2013 Acura MDX
More vehicles that use this size
  • 2007–2015 Audi Q7
  • 2007 Mercedes-Benz ML320
  • 2007–2008 Mercedes-Benz R320
  • 2006–2007 Mercedes-Benz ML350
  • 2006–2007 Mercedes-Benz ML500
  • 2006–2011 Mercedes-Benz R350
  • 2006–2007 Mercedes-Benz R500
  • 2006–2007 Subaru B9
  • 2005–2009 Saab 9-7x
  • 2004–2009 Cadillac SRX

Find tires for your vehicle

Select your year, make, model, and trim to see all compatible tires available for delivery across Ontario and Quebec:

Frequently asked questions — 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance Summer

What does the 255/55R18 tire size mean?

The 255/55R18 size indicates a tread width of 255 mm, a sidewall ratio of 55% (approximately 140 mm tall), and a 18-inch rim diameter. This size is commonly found on mid size SUVs, crossovers, and sport sedans.

Is the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance a Summer tire?

Yes — the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance is categorized as a Summer tire.

What does the 105W rating mean on the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance?

On the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance, the service description 105W indicates a load index of 105 and a speed rating of W (approximately 270 km/h). The load index is the tire’s standardized carrying capacity, while the speed rating is the maximum sustained speed under proper load and inflation. Always match or exceed your vehicle manufacturer’s required load and speed ratings.

Is the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance 3PMS rated?

No — the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance is not listed as 3PMS rated.

Is the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance studdable?

This tire, 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance is not studdable. Contact us for any questions.

Does the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance support run flat driving?

No — the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance is not a run flat.

Is the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance an XL (extra load) tire?

No — the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance is not an XL (extra load) tire.

What does speed rating W mean on the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance?

Speed rating W on the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance corresponds to a maximum sustained speed of approximately 270 km/h under full load. Always obey posted speed limits regardless of tire rating.

Can I order the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance with delivery to Ontario or Quebec?

Yes — XYZTires ships the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).

Why buy the 255/55R18 Continental ContiSportContact 5 – EV Compatible Performance from XYZTires if another tire looks cheaper?

A lower sticker price is only one part of the tire purchase. Compare the final delivered cost, shipping time, stock status, fitment details, and whether the tire category matches how you drive. XYZTires focuses on clear Ontario and Quebec delivery details, product specifications, and fitment context so you can compare the real delivered value, not just the first price you see.

Other available sizes — Continental ContiSportContact 5 – EV Compatible Performance