Side by side
Acura MDX vs RDX: which SUV fits your family?
Both are Acura SUVs built for families. The difference is one row of seats, one car seat position and about $6,700 in starting price. Here is how to choose.
| 2026 model | Acura MDX | Acura RDX |
|---|---|---|
| Seats | 7 | 5 |
| Full LATCH positions (IIHS) | 3 (G+) | 2 (G+) |
| Cargo, all seats up | 16.3 cu ft | 29.5 cu ft |
| Cargo, 3rd row folded | 39.1 cu ft | n/a |
| Max cargo | 71.4 cu ft | 58.9 cu ft |
| Engine | 3.5L V6, 290 hp | 2.0L turbo, 272 hp |
| All-wheel drive | SH-AWD available | SH-AWD standard |
| Towing | 5,000 lb (SH-AWD) | 1,500 lb |
| EPA combined | 21 to 22 mpg | 23 mpg |
| Touchscreen | 12.3-inch, Google built-in standard | 10.2-inch display with touchpad |
| 2025 IIHS award | Top Safety Pick | None |
| Starting MSRP | $51,800 | $45,100 |
Prices shown are Acura's published starting MSRP for the 2026 model year as of September 2026. They exclude destination ($1,295 to $1,450 depending on model), tax, title, registration and dealer fees, and they can change. Ask Richard for the exact price on a specific vehicle.
Choose the RDX if
You have one or two children and want a smart, sporty size
- You need up to two car seats
- You want more cargo space with every seat in use
- You want standard SH-AWD at a lower price
- You park in tight town spots and garages
Choose the MDX if
You need a third row now, or within three years
- You need three car seats, or seats for carpools and grandparents
- You tow a small boat or camper
- You want Google built-in and a larger touchscreen
- You would rather buy once than trade up again
MDX vs RDX questions
Is the MDX much bigger than the RDX?
Yes. The MDX seats 7 in three rows and has 71.4 cu ft of maximum cargo space. The RDX seats 5 and has 58.9 cu ft maximum.
Which is better for two car seats?
Both fit two car seats with LATCH hardware rated G+ by IIHS. The RDX costs less and is easier to park. Choose the MDX if you want a third row or a third car seat.
Which has more cargo room with all seats up?
The RDX has 29.5 cu ft behind its rear seats. The MDX has 16.3 cu ft behind its third row, or 39.1 cu ft with the third row folded.
Your time, your pace
Drive both back to back with Richard
Richard will have an MDX and an RDX ready side by side. Bring your car seats and stroller and try both on the same afternoon.
- Vehicles pulled up and warmed up before you arrive
- Bring your car seats. You can check the fit before you decide
- Clear, itemized numbers in writing
- No pressure to decide the same day
Prefer to talk first? Call or text (973) 912-9000 and ask for Richard.