- Newest year: 2018
- Gas
- Midsize cars
2018 Cadillac CTS-V MPG & Fuel Cost
1 configuration · 17 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Among the costliest midsize car configurations to fuel, MY2018. Ranked against all rated configurations, not sales-weighted.
2018 Cadillac CTS-V at a glance
The 2018 Cadillac CTS-V has 1 configuration in the EPA database, rated 17 MPG combined. The most efficient is the CTS-V 6.2L 8-cyl supercharged RWD at 17 MPG, which costs about $4,800 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The CTS-V 6.2L 8-cyl supercharged RWD is among the costliest midsize car configurations to fuel for MY2018 (class median $2,930 a year).
What the 2018 CTS-V 6.2L 8-cyl supercharged RWD costs to drive
Per month
$400
$4,800 a year ÷ 12
Per 25 miles
$8.00
Per 100 miles
$32.00
Five years
$24,000
5 × the yearly cost, prices held at today's level
vs the midsize car median
$1,870more a year
Class median $2,930 a year, MY2018
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Cadillac CTS-V MPG
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CTS-V (Most efficient) | 6.2L 8-cyl supercharged | RWD | 14 | 21 | 17 | $4,800 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the CTS-V 6.2L 8-cyl supercharged RWD: $5,720 in California and $4,160 in Texas, a $1,560 difference.
- California $5,720
- Washington $5,380
- New York $4,740
- Florida $4,380
- Texas $4,160
Similar cars
Closest combined MPG among MY2018 midsize car models.
Generations
- 2018
Frequently asked questions
What gas mileage does the 2018 Cadillac CTS-V get?
EPA rates the 2018 Cadillac CTS-V at 17 MPG combined across 1 configuration. The most efficient, the CTS-V 6.2L 8-cyl supercharged RWD, is rated 17 MPG combined (14 city / 21 highway).
How much does it cost to fuel a 2018 Cadillac CTS-V per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the CTS-V 6.2L 8-cyl supercharged RWD costs about $4,800 a year. Across all 1 configuration the cost runs $4,800 a year.
How much does it cost to drive a 2018 Cadillac CTS-V 100 miles?
About $32.00 per 100 miles for the CTS-V 6.2L 8-cyl supercharged RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2018 Cadillac CTS-V more efficient in the city or on the highway?
The CTS-V 6.2L 8-cyl supercharged RWD is rated 14 city and 21 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2018 Cadillac CTS-V compare with other midsize car configurations?
The CTS-V 6.2L 8-cyl supercharged RWD costs about $4,800 a year to fuel, $1,870 more than the class median of $2,930, and less than 0 of 10 midsize car configurations. The comparison covers all 205 rated midsize car configurations for MY2018, not weighted by sales.