2012 Lexus RX 450h MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2012 Lexus RX 450h.
The 2012 Lexus RX 450h has a 288V Ni-MH electric motor which is charged via standard charger.
All MPG estimates are "MPG equivalent". This is a conversion of electric energy consumption to a gasoline equivalent.
Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2012 Lexus RX 450h is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 2012 Lexus RX 450h Get?
First off, the most commonly asked question. A 2012 Lexus RX 450h gets up to 31 miles per gallon in the city, and 28 miles per gallon on the highway.
The combined average MPG for the 2012 Lexus RX 450h is 29 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 2012 Lexus RX 450h?
The estimated fuel costs for the 2012 Lexus RX 450h is $2,550 per year.
That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
If you were to compare a 2012 Lexus RX 450h to an average vehicle over 5 years, you will spend $1,250 more on fuel.
🛢 How Many Barrels of Petroleum Does a 2012 Lexus RX 450h Consume?
The 2012 Lexus RX 450h will consume roughly 10 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
Overview
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2012 Lexus RX 450h.
| City MPG | 31 |
|---|---|
| Highway MPG | 28 |
| Combined MPG | 29 |
| Save/Spend vs Average Car | Spend $1,250 |
| Fuel Cost | $2,550 |
| Fuel Type 1 | Premium |
| Electric Motor | 288V Ni-MH |
| ATV Type | Hybrid |
| Barrels of Petroleum | 10 |
| Drive | Front-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.5 |
| Transmission | Automatic (AV-S6) |
| Vehicle Class | Sport Utility Vehicle - 2WD |
| Start/Stop? | Yes |
| Supercharged? | No |
| Turbocharged? | No |
Related Lexus Models from 2012
If you're interested in other Lexus models from 2012, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.
| Model | Combined MPG |
|---|---|
| CT 200h | 42 |
| ES 350 | 22 |
| GX 460 | 17 |
| HS 250h | 34 |
| IS 250 AWD | 22 |
| IS 250/IS 250C | 22 |
| IS 250/IS 250C | 24 |
| IS 350 AWD | 21 |
| IS 350/IS 350C | 22 |
| IS F | 18 |
| LFA | 13 |
| LS 460 | 19 |
| LS 460 AWD | 18 |
| LS 460 L | 19 |
| LS 460 L AWD | 18 |
| LS 600h L | 20 |
| RX 350 | 21 |
| RX 350 AWD | 20 |
| RX 450h AWD | 28 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/lexus/rx-450h/2012">2012 Lexus RX 450h MPG and Fuel Economy</a>
"2012 Lexus RX 450h MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/lexus/rx-450h/2012.
"2012 Lexus RX 450h MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/lexus/rx-450h/2012. Accessed January 3, 2026.
2012 Lexus RX 450h MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/lexus/rx-450h/2012.