The cost of car engine detailing can vary depending on several factors such as the location, type of vehicle, level of service, and the detailer's expertise. Here’s a general breakdown:

Average Costs:

1. Basic Engine Cleaning:

   Price Range: $50 to $100What’s Included: Typically includes degreasing, wiping down the engine bay, and rinsing off dust and grime.Best For: Vehicles that need a quick clean but don't require deep detailing.

2. Intermediate Engine Detailing:

   Price Range: $100 to $200What’s Included: More thorough cleaning, degreasing, and possibly polishing of plastic and metal components in the engine bay. Also includes cleaning of hoses and belts.Best For: Daily drivers or vehicles that haven’t had their engines cleaned in a while.

3. Advanced/Professional Engine Detailing:

   Price Range: $200 to $500+What’s Included: Comprehensive cleaning and degreasing, including steam cleaning, coating of plastic, rubber, and metal parts, and detailing of hard-to-reach areas. Some services may include protecting components with specialized products like engine dressings.Best For: Show cars, luxury vehicles, or those preparing for sale.

Factors Influencing Cost:

1. Vehicle Size and Type: Larger vehicles like trucks or SUVs might cost more due to their engine bay size.
2. Condition of the Engine Bay: If the engine is heavily soiled or hasn't been cleaned in a long time, the cost might increase due to the extra effort required.
3. Location: Detailing services in metropolitan areas tend to be more expensive than in smaller towns.
4. Add-On Services: Some detailers offer additional services like steam cleaning or applying protectants, which can raise the price.

DIY Cost:

If you prefer to do the job yourself, purchasing supplies such as degreasers, brushes, microfiber towels, and protectants can cost anywhere from $20 to $50, depending on the quality of products.

For a typical vehicle, a basic engine cleaning will be the most affordable option, but high-end detailing can go up in price if more thorough work is required.