Who doesn't dream of owning a luxurious sports cars with lots ofhorsepower?

Well, for many, the dream dies when they realize higherinsurance premiums are part of the extra costs associated with anyhigh-end vehicle.

If you haven't considered auto insurance costs, youcould be missing a big part of your vehicle's total ownershipcosts. Insure.com rankings of the top 10 mostexpensive 2016 model vehicles to insure are all about horsepowerand opulence.

Not surprisingly, a vehicle's manufacturer's suggested retailprice weighs heavily on the overall cost to insure it. For mostinsurance companies, the cost of the vehicle is the first andprimary consideration when setting the price of the policy,according to Kelley Blue Book. And as a general rule, moreexpensive cars cost more to insure because of the increased costsassociated with repairing them, replacing parts or replacing thevehicle in the event of a total loss.

Of course, average rates are for comparative purposes only. Yourown rate will depend on personal factors including age, how muchyou drive, where you live and your driving record.

About the rankings

Insure.com commissioned Quadrant InformationServices to calculate average auto insurance rates for 2016 models.Averages were calculated using data from six large carriers(Allstate, Farmers, Geico, Nationwide, Progressive and State Farm)in 10 ZIP codes per state. More than 2,300 models are included inthe 2016 study.

The most expensive rankings were determined by theworst-performing trim line of each model. In addition, averages arebased on full coverage for a single 40-year-old male who commutes12 miles to work each day, with policy limits of 100/300/50($100,000 for injury liability for one person, $300,000 for allinjuries and $50,000 for property damage in an accident), and a$500 deductible on collision and comprehensive coverage. Thishypothetical driver has a clean record and good credit. The rateincludes uninsured motorist coverage.

Keeping our cars longer

It's interesting to note that Americans are keeping their carslonger than ever before — averaging just over 11 years,according to Insure.com. So, when buying a car, don't forget toconsider the price of insurance since that's a cost that you'llhave for as long as you own the vehicle.

Here are the top 10 most expensive 2016 model year autos toinsure, according to Insure.com's annual rankings:

(Photo: Porsche.com)

10. Porsche 911 Careera GT3 RS

Average annual premium: $3,212

Related: 5 things you need to know about keyless ignitionsystems

(Photo: AudiUSA.com)

9. Audi RS7 Quattro Prestige

Average annual premium: $3,229

(Photo: LandRover.com)

8. LandRover Range Rover SV Autobiography Black LWP

Average annual premium: $3,245

Related: 48 safest vehicles for 2016

(Photo: BMWUSA.com)

7. BMW M6 Gran Coupe

Average annual premium: $3,309

(Photo: NissanUSA.com)

6. Nissan GT-R Nismo

Average annual premium: $3,476

The Nissan GT-R Nismo has held the No. 1 spot for the past twoyears, but it fell substantially in the ranking this year.

Related: 20 most popular vehicles of 2015, ranked from worstto best for insurance cost

(Photo: Porsche.com)

5. Porsche Panamera S Executive

Average annual premium: $3,484

(Photo: mbusa.com)

4. Mercedes S63 AMG 4Matic

Average annual premium: $3,513

Related: Best cars and motorcycles to buy in 2016: Critic'spicks

(Photo: mbusa.com)

3. Mercedes S600 BI-T

Average annual premium: $3,539

(Photo: mbusa.com)

2. Mercedes SL65 AMG

Average annual premium: $3,797

The Mercedes’ SL65 AMG, is the most expensive vehicle topurchase in the rankings with an MSRP of $217,550 and the averageannual insurance premium represents 1.7% of the purchase price.

(Photo: Dodge.com)

1. Dodge GT Viper

Average annual premium: $4,048

Dodge’s iconic Viper takes the number one spot this year, but itis the “cheapest” car to buy in the top 10 expensive vehicles toinsure list with a manufacturer suggested retail price of$97,995. The annual insurance premium represents 4.1% of theViper’s purchase price.

Related: Here are the 10 most expensive 2015 model year carsto insure

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