2017 Toyota Prius vs 2018 Toyota Prius
Reliability Side-by-Side
2017
Toyota Prius
Grade A-
A supremely reliable hybrid workhorse, just budget for its inevitable major battery service down the line.
2018
Toyota Prius
Grade A
A paragon of reliability, the 2018 Prius offers exceptional fuel economy with remarkably few significant mechanical worries.
Best For
Best for Reliability
2018 Toyota Prius
Score 92/100 vs 91/100
Autojunket OSC · OSC Transfer
Sell your car for what it's worth.
Log every service. Sell with a signed PDF. Every receipt, mileage-verified, in the buyer's hands.
Cost of Ownership
| Line Item | 2017 Toyota Prius | 2018 Toyota Prius★ |
|---|---|---|
| Annual Maintenance | $400-600 | $400-600 |
| Moderate Repairs | $500-1,500 occasionally | $500-1,500 occasionally |
| MPG (City/Hwy) | 54 / 50 | 54 / 50 |
| MSRP (New) | $24,685 | $23,640 |
Major-failure risk and insurance outlook for each vehicle are in their full reliability reports.
Biggest Risks on Each
2017 Toyota Prius
High Voltage Battery
120,000-200,000+ mi
Brake Actuator Assembly
100,000-180,000 mi
12V Auxiliary Battery
50,000-90,000 mi
2018 Toyota Prius
EGR (Exhaust Gas Recirculation) System
80,000-120,000 mi
12V Auxiliary Battery
30,000-60,000 (often 3-5 years) mi
Brake Actuator/Booster Pump Assembly
100,000-150,000+ mi
Get the Full Report on Each
7-system breakdown, mileage danger zones, repair costs, and expert verdict for each vehicle.
Free · Instant delivery · No account required
Autojunket
Free
per report
Carfax
$44.99
per report
OSC
$9.99/mo
unlimited
Not sure yet? See a real, unblurred sample report →
Editorial Take
The 2017 and 2018 Toyota Prius represent consecutive model years within the fourth generation (XW50), making them incredibly similar vehicles. Buyers commonly compare them when looking for peak fuel efficiency, renowned reliability, and practical hatchback utility in a compact package. These models appeal primarily to commuters, small families, and environmentally conscious drivers prioritizing low running costs and a hassle-free ownership experience over performance or luxury. The key decision factors between these two specific years often boil down to minor feature differences, especially in standard safety technology, and of course, the slight price disparity found in the used market. HEAD-TO-
Reliability & Common Issues
2017
Value & Cost of Ownership
PURCHASE PRICES (NEW AND USED) As detailed above, the new MSRPs were very close, with the 2018 potentially offering slightly better value due to standard safety features on lower trims. In the used market, the 2017 Prius will naturally have a slightly lower average selling price than a comparable 2018 model due to being one year older. The difference is often incremental, perhaps $500 to $1,500, depending on mileage, condition, and trim level. Both vehicles depreciate slowly, reflecting their strong reliability and demand.
Parts & Accessories for These Vehicles
Products for 2017 Toyota Prius
Products for 2018 Toyota Prius
As an Amazon Associate I earn from qualifying purchases.