Check the tyre size printed on your current tyre sidewall and compare it with the specification sticker in the driver door shut or fuel flap, plus your handbook. Many vehicles are approved for more than one size, so confirm 205/65 R16 is listed as an approved option and match the required load index and speed rating shown on the sticker.
205 is the tyre width in millimetres, 65 is the aspect ratio (the sidewall height is about 65% of 205 mm, roughly 133 mm), and 16 is the wheel diameter in inches. That taller sidewall is typically associated with a more forgiving ride over potholes and rough surfaces, while still keeping a stable footprint for everyday driving.
Choose the type that matches your vehicle requirement. 205/65 R16C is a commercial-strength tyre designed for vans and higher loads, usually with higher load indexes and higher operating pressures. XL (extra load) sits between standard and C-rated in terms of reinforcement. If your vehicle placard or handbook specifies C or a particular load index, do not fit a lower-rated standard tyre.
Sometimes, but only if your vehicle manufacturer lists the alternative size as approved and it meets or exceeds the required load and speed ratings. Changing size alters overall diameter and can affect speedometer reading, ground clearance and steering feel, plus it may create clearance issues on full lock or under load. If you are unsure, stick with 205/65 R16 or confirm approved alternatives before ordering.
The correct rating depends on your vehicle, but passenger-car fitments in 205/65 R16 are commonly found with load indexes in the mid to high 90s and speed ratings such as H or V, while 205/65 R16C van tyres often use much higher load indexes. Use your door-sticker requirement as the minimum, then choose equal or higher ratings and match what is already fitted if your vehicle runs a staggered or specific axle setup.