Quick answer
The 2021 Acura RLX, the latest model year on record, is 197.6″ long, 74.8″ wide and 57.5″ tall on a 112.2″ wheelbase, and weighs 4,394 lb. At 16.5 ft it fits a standard garage and leaves 1.5 ft spare in an 18-foot street space.
Every Acura RLX generation, measured
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2014–2021 | 196.5″ | 74.8″ | 57.5″ | 112.2″ | 4,127 lb |
ROWS 1·SOURCE NHTSA vPIC / Transport Canada
RLX year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2021 | 197.6″ | 74.8″ | 112.2″ | 1 | |
| 2020 | 197.6″ | 74.8″ | 112.2″ | 1 | |
| 2018 | 197.6″ | 74.8″ | 112.2″ | 1 | |
| 2017 | 196.5″ | 74.8″ | 112.2″ | 1 | |
| 2016 | 196.5″ | 74.8″ | 112.2″ | 1 | |
| 2015 | 196.5″ | 74.8″ | 112.2″ | 2 | |
| 2014 | 196.5″ | 74.8″ | 112.2″ | 2 |
ROWS 7·SOURCE Transport Canada vehicle specifications
Will a RLX fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 16.5 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 16.5 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 6.2 ft | Room to open doors both sides |
ROWS 3·SOURCE ForCar, computed from vehicle dimensions
Against cars of the same length
| Measure | This car | Typical of 858 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 74.8″ | 74″ | +0.8″ |
| Wheelbase | 112.2″ | 113.8″ | −1.6″ |
| Curb weight | 4,394 lb | 4,140 lb | +254 lb |
ROWS 3·SOURCE ForCar, computed across vehicles of similar length
RLX against its rivals
Next to the Infiniti Q70 and Honda Clarity, the RLX is the longest and the heaviest of the three.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Acura RLX (this car) | 2021 | 197.6″ | 74.8″ | 4,394 lb |
| Infiniti Q70 | 2020 | 196.1″ | 72.8″ | 4,059 lb |
| Honda Clarity | 2022 | 192.9″ | 70.9″ | 4,063 lb |
ROWS 3·SOURCE NHTSA vPIC / Transport Canada; rivals: same EPA class and body, most searched
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Frequently asked questions
Is the 2021 RLX bigger than the 2020?
No. The 2021 and 2020 RLX are the same size and weight.
Which is bigger, the RLX or the Infiniti Q70?
The 2020 Infiniti Q70 is 1.5″ shorter and 335 lb lighter than the 2021 RLX.
Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared for 7 RLX model years, 2014 to 2021. Metric values converted to inches and pounds; generation boundaries are estimated from changes in size (how we measure). Last updated Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.
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