1991 · Two-Seater · Gas
1991 Mazda RX-7 MPG & fuel economy
The 1991 Mazda RX-7 is a two-seater offered in 3 EPA-rated configurations. The most efficient version returns 18 MPG combined (15 city / 23 highway) on regular gasoline. Across the lineup, combined ratings range from 17 to 18 MPG. Efficiency is unchanged from the 1990 model. Among 29 two-seaters rated for 1991, it ranks 8th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,583 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1991 Mazda RX-7's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 6.4 km/L in the city and 9.8 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 15 | 6.4 | 15.7 |
| Highway | 23 | 9.8 | 10.2 |
| Combined | 18 | 7.7 | 13.1 |
How it ranks among 1991 Two-Seaters
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
RX-7 MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 1.3L 2-cyl · 5-speed manual RX-7 |
Gas | 15 MPG | 23 MPG | 18 MPG | — | $2,583 |
| RWD · 1.3L 2-cyl · 4-speed automatic RX-7 |
Gas | 15 MPG | 21 MPG | 17 MPG | — | $2,735 |
| RWD · 1.3L 2-cyl turbo · 5-speed manual RX-7 |
Gas | 15 MPG | 22 MPG | 17 MPG | — | $2,735 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 1.3L 2-cyl
- Transmission
- 5-speed manual
- Drivetrain
- RWD
- Tailpipe CO₂
- 494 g/mi
1991 Mazda RX-7 vs. rivals
Compare the 1991 RX-7
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Frequently asked questions
What is the gas mileage of the 1991 Mazda RX-7?
Up to 18 MPG combined (15 city / 23 highway); ratings range from 17 to 18 MPG depending on configuration.
What fuel does the 1991 Mazda RX-7 use?
Regular gasoline.
What is the fuel average in km/L for the 1991 Mazda RX-7?
The 1991 Mazda RX-7's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 6.4 km/L in the city and 9.8 km/L on the highway.
How much does it cost to fuel the 1991 Mazda RX-7 per year?
About $2,583 at 15,000 miles a year with $3.10/gal regular gas, or $17.22 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.