Is the 2018 Porsche CAYENNE reliable?

The 2018 Porsche CAYENNE has 18 complaints filed with NHTSA (0.6x the segment average). Our reliability verdict: above-average. Most common issue: ENGINE problems.

What are common problems with the 2018 Porsche CAYENNE?

Top problems: ENGINE (3 complaints, avg repair $500); OTHER (3 complaints, avg repair $500); ELECTRICAL (3 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2018 Porsche CAYENNE?

Yes, there are 1 recall(s): EQUIPMENT. Contact any Porsche dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2018 Porsche CAYENNE?

The 2018 Porsche CAYENNE gets 20 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2400. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2018 Porsche CAYENNE?

Estimated US average full-coverage insurance for the 2018 Porsche CAYENNE is approximately $2,260/year (suv-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2018 Porsche CAYENNE

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2018 Porsche CAYENNE has 18 owner complaints filed with NHTSA — that's 0.6x the segment average of 31. The most common issue is engine problems (17% of all complaints), specifically: intermittent lack of acceleration when taking left turns from a dead stop. car was a dealer loaner with 9000 miles on speedometer. i purchased the car in august, 2018. within the first 1000 miles and in less than four weeks i experienced a serious lack of acceleration on two occasions when maki. There is 1 recall issued for this model year.

Total Complaints

Recalls Issued

—/5

Safety Stars

0.6x

vs Segment Avg

Known Problems(top 5 of 8)

ENGINE

3 complaints

17%

• INTERMITTENT LACK OF ACCELERATION WHEN TAKING LEFT TURNS FROM A DEAD STOP. CAR WAS A DEALER LOANER WITH 9000 MILES ON SPEEDOMETER. I PURCHASED THE CAR IN AUGUST, 2018. WITHIN THE FIRST 1000 MILES AND IN LESS THAN FOUR WEEKS I EXPERIENCED A SERIOUS LACK OF ACCELERATION ON TWO OCCASIONS WHEN MAKI
• THE CAR LOST POWER AND STALLED ON THE HIGHWAY WITHOUT WARNING, THE ROAD WAS THE GARDEN STAT PARKWAY IN NEW JERSEY , HAPPENED IN MID NIGHT
• The day we took our Porsche home, we noticed a lot of heat generation in the car- but we thought it will be fine going further, given the attention to detail of Porsche's Automobile Engineering. The following days were not any better for my daughter- she missed a major accident because of the unexp

Typical onset: 50K miles Est. repair: $500

“INTERMITTENT LACK OF ACCELERATION WHEN TAKING LEFT TURNS FROM A DEAD STOP. CAR WAS A DEALER LOANER WITH 9000 MILES ON SPEEDOMETER. I PURCHASED THE CAR IN AUGUST, 2018. WITHIN THE FIRST 1000 MILES AND IN LESS THAN FOUR WEEKS I EXPERIENCED A SERIOUS LACK OF ACCELERATION ON TWO OCCASIONS WHEN MAKI”

— NHTSA complaint filing

Recalls (1)

EQUIPMENT28/11/2018

Porsche Cars North America, Inc. (Porsche) is recalling certain 2017 Porsche Cayenne Turbo S, Cayenne Turbo, Cayenne Plug-in Hybrid, Cayenne GTS, Cayenne Plug-in Hybrid Platinum Edition, Macan Turbo and Macan GTS vehicles, 2017-2018 Cayenne S, Macan, Cayenne Platinum Edition and Macan S vehicles and 2018 Cayenne vehicles equipped with the optional ski bag. The ski bag fastening strap may have been sewn with incorrect thread, possibly resulting in the strap seams tearing and the ski bag being unsecured in the event of a crash.

Risk: If the ski bag detaches during a crash, it can increase the risk of injury.

Fix: Porsche will notify owners, and dealers will replace the ski bags, free of charge. The recall began January 10, 2019. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AJ12.

Fuel Cost Calculator for 2018 Porsche CAYENNE

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,401

Per month

$200

Per mile

20.0¢

MPG

City driving (worst-case MPG)

$2,667/yr

Highway driving (best-case MPG)

$2,001/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2018 Porsche CAYENNE

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$2,260

Full coverage / month

$188

Liability only / year

$732

vs US avg

+35%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (suv-luxury)1.35x

× theft risk1.00x

× safety rating1.00x

× vehicle age1.00x

= Full coverage estimate$2260

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Porsche New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

4 yr / 50K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

12 yr / unlimited mi

Roadside assistance

4 yr / unlimited mi

These are the terms for a new Porsche. If you're buying a used 2018 CAYENNE, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Porsche dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ENGINE(~50K mi)

$500

OTHER(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

AIR BAGS(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 18 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: INTERMITTENT LACK OF ACCELERATION WHEN TAKING LEFT TURNS FROM A DEAD STOP. CAR WAS A DEALER LOANER WITH 9000 MILES ON SPEEDOMETER. I PURCHASED THE CAR IN AUGUST, 2018. WITHIN THE FIRST 1000 MILES AND IN LESS THAN FOUR WEEKS I EXPERIENCED A SERIOUS LACK OF ACCELERATION ON TWO OCCASIONS WHEN MAKI
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: THE CAR LOST POWER AND STALLED ON THE HIGHWAY WITHOUT WARNING, THE ROAD WAS THE GARDEN STAT PARKWAY IN NEW JERSEY , HAPPENED IN MID NIGHT
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: The day we took our Porsche home, we noticed a lot of heat generation in the car- but we thought it will be fine going further, given the attention to detail of Porsche's Automobile Engineering. The following days were not any better for my daughter- she missed a major accident because of the unexp
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: WHEN TRYING TO ACCELERATE INTO TRAFFIC VEHICLE WILL EXPERIENCE WHAT FEELS LIKE A DEAD SPOT IN THE ACCELERATOR AND THEN LURCH FORWARD AT A HIGH SPEED THIS CONDITION HAS BEEN REPORTED ON NUMEROUS COMPLAINT SITE CONCERNING VARIOUS PORSCHE VEHICLES AND SPECIFICALL CONCERNING PORSCHE CAYENNE DEALER SAYS
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 1 recall have been completed — free at any Porsche dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)