# RUPES BigFoot LHR21 Mark III Random Orbital Polisher: specs and price

**Price (US):** $490 at rupes.com (RUPES sells only through authorized distributors and sets no fixed consumer MSRP; current US dealer pricing runs ~$465-$490 (used: Professional Detailing Products $490)), as of 2026-08-01. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 13 car polishers we track it is #12 cheapest of 13; category median $249.99.
**Brand:** RUPES
**Released:** 2018-11
**Deskmark:** Bronze Deskmark — pay-blind category standing 33/100, #8 of 10 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $490 |
| Brand | RUPES |
| Released | 2018-11 |
| Orbit throw (mm) | 21 |
| Motor power | 500 W |
| Speed range opm | 3,000-4,500 |
| Backing plate size (in) | 6 in |
| Variable speed | Yes |
| Action type | free-spin dual-action (random orbital, not gear-driven) |
| Cord length (ft) | 30 |
| Weight (lb) | 5.95 |

## Where it stands

At $490, the RUPES BigFoot LHR21 Mark III Random Orbital Polisher is #12 cheapest of the 13 car polishers we track, where the median is $249.99. On the spec sheet, its orbit throw of 21 mm is the highest of the 14, its cord length of 30 ft is the highest of the 7, and its weight of 5.95 lb is above the median of the 10.

## Frequently asked questions

**How much does the RUPES BigFoot LHR21 Mark III Random Orbital Polisher cost?**

The RUPES BigFoot LHR21 Mark III Random Orbital Polisher has a US price of $490 (RUPES sells only through authorized distributors and sets no fixed consumer MSRP; current US dealer pricing runs ~$465-$490 (used: Professional Detailing Products $490)), as of 2026-08-01.

**How does the RUPES BigFoot LHR21 Mark III Random Orbital Polisher compare on price?**

At $490, the RUPES BigFoot LHR21 Mark III Random Orbital Polisher is #12 cheapest of the 13 car polishers we track, where the median is $249.99.

**When was the RUPES BigFoot LHR21 Mark III Random Orbital Polisher released?**

The RUPES BigFoot LHR21 Mark III Random Orbital Polisher was released 2018-11.

**What are the RUPES BigFoot LHR21 Mark III Random Orbital Polisher's key specs?**

RUPES BigFoot LHR21 Mark III Random Orbital Polisher (RUPES): orbit throw mm 21, motor power 500 W, speed range opm 3,000-4,500, backing plate size in 6 in, variable speed Yes. Full sourced spec sheet verified 2026-08-01.

Source: https://www.rupes.com/product/lhr21iii/ (rupes.com, accessed 2026-08-01)
Corroboration: https://www.professionaldetailingproducts.com/products/rupes-lhr21-mark-iii (accessed 2026-08-01)
Canonical: https://frontdeskreview.com/product/car-polishers/rupes-bigfoot-lhr21-mark-iii/
Cite: Per The Front Desk Review, the RUPES BigFoot LHR21 Mark III Random Orbital Polisher price of record was $490 as of 2026-08-01 — https://frontdeskreview.com/product/car-polishers/rupes-bigfoot-lhr21-mark-iii/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl