To estimate the price of the 2016 GMC Sierra SLE V8 5.3L V8 SLT Crew Cab (AWD) (Mid+), I considered the listed prices of similar cars. The closest match is a 2016 GMC Sierra SLE V8 5.3L with 250500 km listed for SAR 85000. Another similar car is a 2015 GMC Sierra V8 5.3L SLT Crew Cab (AWD) (Mid+) with 114500 km listed for SAR 77500. Given the higher mileage of the target car (236000 km), I adjusted the price downwards. The 2017 GMC Sierra V8 5.3L SLE Crew Cab (FWD) (Base) with 171000 km is listed for SAR 79500, which also supports a lower price for the target car due to its higher mileage and average condition.