7Rank 07 of 8 · Best Cordless Drill Sets
Bosch Bosch Professional GSR 18V-90 C
A trade-grade drill-driver that publishes both torque figures honestly — 64 Nm hard and 36 Nm soft — and runs on the AMPShare cross-brand battery alliance. No magazine test result exists for it.
7.8BPR score
- €159Price
- No independent test result foundIndependent test grade
- 7 of 8in Best Cordless Drill Sets
- 7.8BPR score 0–10
Review
What this product is
Written after the analysis, from the same sources the score is built on: the manufacturer's documentation, available studies and verified owner feedback.
This tool earns its place for two reasons that have nothing to do with a test grade, because no independent magazine test of it could be found.
First, Bosch publishes both torque figures. Its own manual data table gives 64 Nm hard joint and 36 Nm soft joint — and that ratio, roughly two to one, is what every unlabelled single figure in this ranking is hiding. When Einhell quotes 70 Nm or Milwaukee quotes 158 Nm without saying which joint type, this is the missing context. Only Bosch Professional, Metabo, DeWalt and Makita publish both.
Second, it runs on AMPShare, Bosch Professional's cross-brand battery alliance, which lets one battery work across multiple manufacturers' tools. Together with Metabo's CAS, this is a genuinely European answer to platform lock-in that US-focused buying guides consistently miss. It materially reduces the risk of being stranded on a discontinued system.
The tool itself is a drill-driver with no hammer function — the GSB 18V-90 C is the identical combi version, which adds 13 mm masonry capacity and 29,500 bpm at the cost of extra weight and length. Brushless EC motor, 1.5–13 mm keyless quick-change chuck, two gears at 0–630 and 0–2,100 rpm, and 68 mm wood capacity, which is the largest of any drill-driver here.
Bosch quotes weight as a range, 1.45 to 2.5 kg, depending on which battery is fitted — an honest way of presenting it, and a reminder that a single weight figure is usually incomplete.
The bare tool at €156–163 is reasonable; the kit at €295 with two 4.0 Ah ProCore packs and a charger is where the real cost sits, and some retailers list the same kit at €419. Shop it carefully.
Technical data
Specification
Figures from the manufacturer's documentation, verified against available outside sources. Values we could not confirm are marked as declared.
- Type
- Drill-driver (GSB 18V-90 C is the combi version)
- Maximum torque
- 64 Nm hard joint / 36 Nm soft joint
- Motor
- Brushless EC
- Battery platform
- Bosch Professional 18 V / AMPShare cross-brand
- Chuck
- 1.5-13 mm keyless quick-change
- Speeds
- 0-630 / 0-2 100 rpm
- Weight
- 1.45-2.5 kg depending on battery
- Capacities
- Wood 68 mm, steel 13 mm, no masonry
- Independent test
- None found
- Price
- EUR 155.99-162.89 bare; EUR 295 kit with 2x 4.0 Ah ProCore
Component scores
Where the score
comes from.
Four components, equal weight, each on a 0–10 scale and each resting on a named source. The overall score is their mean — the full procedure is in the methodology.
What we liked
- Publishes both hard (64 Nm) and soft (36 Nm) torque — rare honesty in this category
- AMPShare cross-brand battery alliance reduces platform lock-in
- 68 mm wood capacity, the largest drill-driver figure here
- Brushless EC motor with 1.5-13 mm quick-change chuck
- Genuine trade service network and parts availability
- Weight quoted as an honest range by battery size
Worth knowing
- No independent magazine test result could be found
- No hammer function — the GSB 18V-90 C is the combi version
- Kit pricing varies wildly, from €295 to €419 for the same package
- Bosch Professional blue batteries are not compatible with the green consumer range
Comparison
How it compares
within the category
All values come from the same analysis and are comparable only within the category Best Cordless Drill Sets.
| Product | Score | Independent test grade | Price |
|---|---|---|---|
| Einhell Professional TP-CD 18/70 Li-i BLTop score | 9.1 | 1.8 gut — Testsieger (Stiftung Warentest 6/2025) | €84 |
| Bosch Professional GSR 18V-90 CThis product | 7.8 | No independent test result found | €159 |
| Category average8 products analysed | 8.2 | — | — |
FAQ
Frequently asked questions
What is AMPShare and why does it matter?
It is a cross-brand battery alliance led by Bosch Professional, so one battery works across tools from multiple manufacturers rather than just Bosch. Metabo runs an equivalent scheme called CAS. Both materially reduce the risk of a discontinued platform stranding your battery investment, and both are largely European phenomena that US buying guides do not cover.
Why is there no test result for a Bosch Professional tool?
Consumer testing organisations focus on the DIY market, because that is where their readers buy. Trade tools are more often reviewed by trade publications, which rarely publish comparable numeric grades. The absence of a grade here is a gap in the evidence, not a negative finding — but we have scored it accordingly rather than assuming quality from the badge.
From the same ranking
Other products in Best Cordless Drill Sets.
The same protocol, the same key parameter, the same set of sources.
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No. 019.1/ 10
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Stiftung Warentest's 2025 outright winner, at €80 for the bare tool. Brushless, 70 Nm hard…
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No. 029.0/ 10
Bosch AdvancedDrill 18V-80 QuickSnap
The best pure drill-driver here: 78 Nm, brushless, and just 1.2 kg with the battery…
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No. 038.6/ 10
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Second place at Stiftung Warentest 2025 — with a brushed motor, beating several brushless…
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Einhell TE-CD 18/50 Li-i BL
The most consistently tested tool here — graded by four separate publications between 2021 and…