Owner guide · Genesis of Elgin · Bartlett, IL
How Much Horsepower Does the Genesis G90 Have?
Horsepower, torque, engine, transmission, weight and fuel economy for each 2026 Genesis G90 trim, from Genesis's G90 page and its 2026 G90 Features and Specifications sheet.
How much horsepower does the 2026 Genesis G90 have?
Genesis rates the 3.5-liter twin-turbo V6 in the 2026 G90 3.5T AWD at 375 hp at 5,800 rpm and 391 lb.-ft. of torque from 1,300 to 4,500 rpm. The 3.5T e-S/C AWD and 3.5T e-S/C Prestige Black AWD add a 48V e-Supercharger for 409 hp at 5,800 rpm and 405 lb.-ft. from 1,300 to 4,500 rpm. Genesis lists these ratings on premium fuel.
2026 G90 horsepower by trim
| Trim | Engine | Horsepower | Torque | Transmission |
|---|---|---|---|---|
| G90 3.5T AWD | 3.5-liter twin-turbo V6 | 375 hp at 5,800 rpm | 391 lb.-ft. at 1,300-4,500 rpm | 8-speed automatic |
| G90 3.5T e-S/C AWD | 3.5-liter twin-turbo V6 with 48V e-Supercharger | 409 hp at 5,800 rpm | 405 lb.-ft. at 1,300-4,500 rpm | 8-speed automatic |
| G90 3.5T e-S/C Prestige Black AWD | 3.5-liter twin-turbo V6 with 48V e-Supercharger | 409 hp at 5,800 rpm | 405 lb.-ft. at 1,300-4,500 rpm | 8-speed automatic |
From Genesis's 2026 G90 Features and Specifications sheet (PDF linked from genesis.com), read November 10, 2026. Ratings are with premium fuel. The genesis.com trim cards list the same 375 and 409 hp figures.
The Prestige Black is built on the 3.5T e-S/C AWD, so it has the same engine and the same ratings; its changes are mainly black exterior and interior treatments.
G90 engine specifications
| Spec | 3.5T AWD | 3.5T e-S/C AWD and Prestige Black |
|---|---|---|
| Engine | 3.5L 24-valve DOHC V6 with Dual CVVT, twin turbo | Same, plus 48V e-Supercharger |
| Displacement | 3,470 cc | 3,470 cc |
| Bore and stroke | 92 x 87 mm | 92 x 87 mm |
| Compression ratio | 11:1 | 11:1 |
| Fuel system | GDI + MPI | GDI + MPI |
| Recommended fuel | Unleaded premium (91 AKI) | Unleaded premium (91 AKI) |
| Block and head | Aluminum / aluminum | Aluminum / aluminum |
| Alternator | 13.5V 180A | 48V mild-hybrid starter generator (MHSG), 277A |
| Transmission | 8-speed automatic | 8-speed automatic |
From Genesis's 2026 G90 Features and Specifications sheet (PDF linked from genesis.com), read November 10, 2026.
What the e-Supercharger trims add
Beyond the extra 34 hp and 14 lb.-ft., the 2026 spec sheet lists these differences on the 3.5T e-S/C AWD and Prestige Black:
21-inch wheels
21-inch alloy wheels with 245/40R21 front and 275/35R21 rear tires, versus 20-inch wheels with 245/45R20 and 275/40R20 tires on the 3.5T.
Rear wheel steering
Standard, with a 37.1-foot turning diameter versus 40.1 feet on the 3.5T.
Multi-chamber air suspension
Standard on the e-S/C trims; the 3.5T does not have it.
Bigger rear brakes
14.2-inch rear discs versus 13.6-inch on the 3.5T, with copper calipers on the 3.5T e-S/C and black on the Prestige Black.
Tire mobility kit
The e-S/C trims carry a tire mobility kit in place of the temporary spare tire on the 3.5T.
From Genesis's 2026 G90 Features and Specifications sheet (PDF linked from genesis.com), read November 10, 2026.
G90 curb weight and fuel economy
| Trim | Curb weight | EPA city / highway / combined |
|---|---|---|
| G90 3.5T AWD | 4,828-4,872 lbs | 18 / 26 / 21 mpg |
| G90 3.5T e-S/C AWD | 5,126-5,170 lbs | 17 / 24 / 20 mpg |
| G90 3.5T e-S/C Prestige Black AWD | 5,150-5,194 lbs | 17 / 24 / 20 mpg |
From Genesis's 2026 G90 Features and Specifications sheet (PDF linked from genesis.com), read November 10, 2026. Curb weight is shown as the lowest to highest figure Genesis lists for each trim.
For length, width, trunk space and turning details, see our G90 dimensions guide.
Genesis of Elgin service hours
| Days | Hours |
|---|---|
| Monday to Friday | 8 a.m.-5 p.m. |
| Saturday | 8 a.m.-3 p.m. |
From Genesis of Elgin's website, November 10, 2026. The website lists Monday to Saturday service hours and none for Sunday. Holiday hours can differ.
Genesis G90 horsepower questions
How much horsepower does a 2026 Genesis G90 have?
375 hp for the G90 3.5T AWD and 409 hp for the 3.5T e-S/C AWD and 3.5T e-S/C Prestige Black AWD, according to Genesis.
How much torque does the G90 have?
391 lb.-ft. for the 3.5T and 405 lb.-ft. for the e-Supercharger trims, both from 1,300 to 4,500 rpm on premium fuel.
What engine is in the Genesis G90?
A 3.5-liter (3,470 cc) twin-turbo V6 with direct and port injection. The e-S/C trims add a 48V e-Supercharger and a 48V mild-hybrid starter generator.
Is the Genesis G90 all-wheel drive?
Every 2026 G90 trim Genesis lists is AWD: the 3.5T AWD, 3.5T e-S/C AWD and 3.5T e-S/C Prestige Black AWD, each with an 8-speed automatic.
Does the G90 need premium gas?
Genesis lists unleaded premium (91 AKI) as the recommended fuel, and its horsepower and torque ratings are with premium fuel.
What MPG does the G90 get?
EPA estimates are 18 city, 26 highway and 21 combined for the 3.5T AWD, and 17 / 24 / 20 for the e-Supercharger trims.
Keep your G90 performing as Genesis rates it
Regular maintenance keeps the G90's twin-turbo V6 at its best. Visit Genesis of Elgin at 1201 W. Lake St. in Bartlett, IL, or schedule service online.
Sources
Horsepower, torque, engine, alternator, transmission, wheels and tires, suspension, steering, brakes, curb weight and EPA fuel economy figures come from Genesis's 2026 G90 Features and Specifications sheet, linked from the G90 page on genesis.com, read November 10, 2026; the trim horsepower figures also appear on that page. Specifications can change; your vehicle's documents are the final word. Address and hours are from Genesis of Elgin's own website. Image: Genesis Motor America.
- 2026 Genesis G90 Features and Specifications sheet (Mechanical, Exterior, Dimensions/Weights/Capacities), Genesis Motor America, read November 10, 2026
- 2026 G90 trim cards and specifications block (horsepower, torque, engine, transmission) and image, Genesis Motor America, read November 10, 2026
- Address, map coordinates, logo and service department hours (structured data), Genesis of Elgin, November 10, 2026
- Genesis service at Genesis of Elgin, Genesis of Elgin, November 10, 2026
